EM MICROELECTRONIC-MARIN SA Patent applications |
Patent application number | Title | Published |
20160141052 | ELECTRONIC MEMORY DEVICE AND TEST METHOD OF SUCH A DEVICE - The electronic memory device comprises a non-volatile memory matrix organized in rows and columns, an address decoder with address input lines for selecting a row according to a particular address given on the address input lines. Additional address mask input lines are provided, each address mask input line being assigned to an address input line, wherein an address mask input line in activated state has the effect of ignoring the assigned address input line. The method for testing said electronic memory device is performed with a significant lower number of read/write operations, since by ignoring a particular address line a plurality of write operations can be performed simultaneously. | 05-19-2016 |
20160041226 | INTEGRATED CIRCUIT WITH DISTRIBUTED CLOCK TAMPERING DETECTORS - A circuit configuration for secure application includes several internal frequency detectors arranged in digital units at critical points of an integrated circuit. The clock detectors are concealed in the digital part of the integrated circuit each as a standard cell (flip-flop unit) in order to prevent any external manipulation and in order to hide its function. The clock detectors are preferably disposed in a clock tree topology, which can be at several levels for distributing the clock signal through the different digital unit tree at critical points. Alarms are generated via a clock detector network if at any level an external clock attack has been monitored. | 02-11-2016 |
20160037566 | METHOD AND SYSTEM FOR OPTIMIZED BLUETOOTH LOW ENERGY COMMUNICATIONS - This concerns a Bluetooth Low Energy (BLE) device, or system, or method of operating a BLE device and a respective computer program. The BLE device comprises a transceiver to broadcast the at least one advertising packet, a processor connected to the transceiver to generate the advertising packet and/or to trigger broadcasting thereof according to a broadcasting schedule. The device further comprises a verification element connected to the processor and being capable of ascertaining if a predefined condition is met, at least one of the verification element and the processor is capable of modifying the broadcasting schedule based on the predefined condition's ascertainment. | 02-04-2016 |
20160003880 | METHOD FOR MEASURING A PHYSICAL PARAMETER AND ELECTRONIC CIRCUIT FOR IMPLEMENTING THE SAME - The physical parameter measurement method is performed using an electronic circuit ( | 01-07-2016 |
20150358759 | METHOD AND SYSTEM FOR BIDIRECTIONAL COMMUNICATIONS VIA A BLUETOOTH LOW ENERGY ADVERTISE LINK - The present invention relates to a method, to a computer program and to a system to establish wireless communication between at least two Bluetooth Low Energy (BLE) devices the method comprising the steps of:
| 12-10-2015 |
20150349388 | SMART BATTERY WITH A SUPPLY VOLTAGE CONTROL CIRCUIT AND METHOD FOR MANUFACTURING THE BATTERY - The smart battery ( | 12-03-2015 |
20150331805 | OPERATING A FIFO MEMORY - The present invention concerns a method of operating a first-in first-out memory ( | 11-19-2015 |
20150271159 | AUTHENTICATION BY USE OF SYMMETRIC AND ASYMMETRIC CRYPTOGRAPHY - The present invention concerns a mutual authentication method in a communication system. According to the method, a first communication device ( | 09-24-2015 |
20150260781 | FAULT DETECTION ASSEMBLY - The present invention relates to a fault detection assembly of an integrated circuit having a supply port, an input port and a ground port. The fault detection assembly comprises a first diode connected with one end to the supply port and connected with the other end to the input port, a second diode connected with one end to the input port and connected with the other end to the ground port, at least a first fault detection transistor of MOS type. At least one of first and second diodes comprises a first diode-connected MOS transistor whose gate is connected to the gate of the first fault detection transistor. | 09-17-2015 |
20150176992 | ELECTRONIC CIRCUIT FOR MEASURING ROTATIONAL SPEED IN A MEMS GYROSCOPE AND METHOD FOR ACTUATING THE CIRCUIT - The electronic circuit measures angular speed in a gyroscope, which includes a mass connected to a spring and a damping element, an actuation capacitor for actuating the mass and a detection capacitor for detecting motion of the mass. The electronic circuit includes a measurement resistor, which is connected to the moving mass and has a variation in resistive value equal to the oscillation frequency of the mass. The resistor is polarized to supply a measurement signal, which includes a carrier signal in phase with the oscillation of the mass and an angular speed signal phase shifted by π/2 relative to the carrier signal The measurement signal is supplied to an integration unit clocked by a clocking signal phase shifted by π/2 relative to the carrier signal and originating from the drive circuit. The angular speed signal is demodulated at the integration unit output. | 06-25-2015 |
20150146329 | REVERSE CURRENT DETECTOR CIRCUIT - A circuit ( | 05-28-2015 |
20150121110 | ELECTRONIC CIRCUIT WITH A SLEEP MODE - The present invention concerns an electronic circuit comprising a control signal processing circuit with a control signal input and a control signal output circuit, the processing circuit being arranged to process a control signal applied to the control signal input, and to operate in at least one of a first power mode and a second power mode, the second power mode having a lower power consumption than the first power mode. The electronic circuit further comprises a control signal processing circuit bypass means for providing, when the processing circuit is in the second power mode, a bypass connection for conveying the control signal from the control signal input to the control signal output circuit, thereby bypassing the processing circuit. | 04-30-2015 |
20150063042 | REGULATION CIRCUIT FOR A CHARGE PUMP AND METHOD OF REGULATION - The present invention relates to a regulation circuit for a charge pump and to a method of regulating a charge pump. The regulation circuit comprises
| 03-05-2015 |
20150035506 | LOW DROP-OUT VOLTAGE REGULATOR - The voltage regulator comprises a regulation loop ( | 02-05-2015 |
20140347946 | VOLTAGE REGULATOR - The present invention relates to a voltage regulator and to a method of operating a voltage regulator that is operable in a reset mode and in a sampling mode. The voltage regulator comprises: | 11-27-2014 |
20140347112 | VARIABLE PULSE WIDTH SIGNAL GENERATOR - The present invention concerns a signal generator circuit powered by a supply voltage and including flip flop means including a first input to which is connected a continuous input signal whose amplitude is defined, a second input to which is connected a clock signal whose duty cycle is defined, and a third, reset input, and outputting an output signal whose duty cycle is that of the clock signal and whose amplitude is that of the input signal, characterized in that said circuit further includes regulating means arranged to compare the output signal to a set point signal representative of the desired duty cycle and to deliver a control signal connected to the third input of the flip flop means so as to activate the reset to modify the duty cycle of the output signal. | 11-27-2014 |
20140324934 | RANDOM NUMBER GENERATOR - The random number generator comprises a linear feedback shift register ( | 10-30-2014 |
20140305207 | ELECTRONIC DRIVE CIRCUIT FOR A MEMS TYPE RESONATOR DEVICE AND METHOD FOR ACTUATING THE SAME - The electronic circuit ( | 10-16-2014 |
20140263653 | METHOD FOR READING A BARCODE - Method for reading a barcode by means of an optical reader arranged to capture at a determined sampling frequency a series of partial images of the barcode by a sensor having at least one line of pixels. According to the invention it is provided to determine in each partial image a logical value as a function of the light intensity received by a central pixel of the line of pixels and a corresponding bar width when this bar is completely incorporated into the partial image in question. By only setting a maximum speed for the speed of movement of the barcode and dimensioning the line of pixels to ensure that each bar of this barcode is completely incorporated into a partial image at least once, the sequence of bits defined by the barcode is determined by means of an algorithm ignoring the duplications detected in consecutive partial images. | 09-18-2014 |
20140197894 | NARROW BAND RECEIVER OR TRANSCEIVER - The present invention relates to a narrow band receiver or transceiver for processing electrical signals. The narrow band receiver or transceiver comprises an amplifier, a voltage controlled oscillator and a tuning assembly comprising at least one control loop for tuning of the voltage controlled oscillator. At least a gain control of the amplifier is coupled to the control loop for simultaneously tuning the output amplitude of the voltage controlled oscillator and the gain of the amplifier. A compensation of the effect of variation on the gain of the amplifier, which includes an LC tank circuit, is performed by using an information in another LC tank circuit of the voltage controlled oscillator in the control loop. | 07-17-2014 |
20140197849 | CONTROL SYSTEM AND METHOD FOR SENSOR MANAGEMENT - The invention relates to a measuring circuit comprising a control block for controlling said circuit, a time base for providing a clock signal (f | 07-17-2014 |
20140171004 | AUTOMATIC GAIN CONTROL OF A RECEIVER CIRCUIT - The present invention relates to a receiver circuit for processing of electrical signals, and comprising:
| 06-19-2014 |
20140169417 | AUTOMATIC GAIN CONTROL UNIT FOR A LOW POWER RECEIVER OR TRANSCEIVER - The automatic gain control unit for a radiofrequency receiver includes a first current source for charging a storage capacitor by a first current, four comparators for comparing on the lower side an in-phase positive intermediate signal, an in-phase negative intermediate signal, a quarter-phase positive intermediate signal, a quarter-phase intermediate signal with a first reference threshold to a high amplitude level of the intermediate signals. Each comparator controls a MOS transistor connected in series between a second current source and the storage capacitor in order to discharge the storage capacitor when each transistor is in a conductive state. A bi-stable trigger element is connected to the storage capacitor and to provide an AGC signal depending on the voltage level on the storage capacitor for attenuating or not the gain of the low noise amplifier or of a mixer unit amplifier of the receiver. | 06-19-2014 |
20140152355 | HIGH-PRECISION ELECTRONIC CLOCK MOVEMENT AND PROCESS FOR ADJUSTING A TIME BASE - Process for adjusting a time base by inhibiting clock pulses supplied by a clock circuit, this adjustment process comprising the following steps:
| 06-05-2014 |
20140118069 | ELECTRONIC CIRCUIT WITH UNIT FOR ATTENUATING AT LEAST ONE INPUT SIGNAL OF AN AMPLIFIER IN AN AUTOMATIC GAIN CONTROL LOOP - The electronic circuit ( | 05-01-2014 |
20140118067 | AUTOMATIC GAIN CONTROL ELECTRONIC CIRCUIT WITH DUAL SLOPE FOR AN AMPLIFIER - The electronic circuit is arranged for the fast, automatic gain control of an input amplifier. It includes a non-linear amplifier-comparator for comparing a reference signal (V | 05-01-2014 |
20140049378 | HALF-DUPLEX PASSIVE TRANSPONDER - A half-duplex passive transponder including: a resonant circuit including an antenna and input capacitor and configured to allow an electrical signal to oscillate in the resonant circuit when periodically receiving across the antenna an activation signal from a reader; at least one switch between the input capacitor and a storage capacitor so the two capacitors are in parallel when the switch is turned on; a peak voltage detector configured to measure amplitude of the electrical signal oscillating in the resonant circuit; and a variable voltage threshold determination circuit configured to trigger each of plucking pulses when voltage of the oscillating electrical signal substantially attains a variable voltage threshold in a respective period before an extremum of the oscillating electrical signal and in a half-cycle of the extremum, to thus deliver plucking pulses during a transmission period in the resonant circuit to maintain a certain amplitude of the oscillating electrical signal. | 02-20-2014 |
20130320096 | RFID TRANSPONDER CHIP WITH A PROGRAMMABLE WAKE-UP - An RFID transponder chip includes at least one antenna to pick-up and transmit radio-frequency signals, a rectifier to store charge on at least one capacitor at a rectified voltage from the picked-up radio-frequency signals, a power-on reset circuit to maintain a logic unit in a reset state if the rectified voltage level is less than a power-on reset or wake-up voltage of the power-on reset circuit for operating the logic unit. The RFID transponder chip further includes a non-volatile memory, in which are stored one or several trim values. Said non-volatile memory is directly connected to the power-on reset circuit to be able to provide at least one trim value to trim the power-on reset circuit at a rectified voltage level below a wake-up voltage level. | 12-05-2013 |
20130300437 | METHOD OF MEASURING A PHYSICAL PARAMETER AND ELECTRONIC INTERFACE CIRCUIT FOR A CAPACITIVE SENSOR FOR IMPLEMENTING THE SAME - A physical parameter is measured via an electronic circuit connected to a two capacitor sensor. The circuit includes an amplifier connected to the common capacitor electrode, a logic unit for digital processing amplifier data and supplying a digital measuring signal, a digital-analogue converter for supplying a measuring voltage based on the digital measuring signal, a switching unit for alternately supplying the measuring voltage to the first and second fixed capacitor electrodes, and a regulated voltage for negative biasing or a low voltage for positive biasing from a voltage supply source. A first phase consists in biasing the first fixed electrode with the measuring voltage from first binary word and reference voltage, and the second fixed electrode with low voltage, and a second phase consists in biasing the second fixed electrode with measuring voltage from second binary word, which is reverse of the first binary word, and the reference voltage. | 11-14-2013 |
20130207691 | METHOD FOR PERFORMING A TRI-STATE COMPARISON OF TWO INPUT SIGNALS IN A WINDOW COMPARATOR CIRCUIT, AND WINDOW COMPARATOR CIRCUIT FOR IMPLEMENTING THE METHOD - A method performs a comparison of input signals in a window comparator circuit. In a first phase, input, ground and offset voltages are stored on capacitors. A comparison is performed between a first adapted input voltage and a second adapted input voltage added to an adapted offset voltage, to provide a first output signal. In a second phase, the voltages are stored on the capacitors in a different manner. A comparison is performed between the first adapted input voltage added to the adapted offset voltage and the second adapted input voltage, to provide a second output signal. Finally, a control of the state of the output signals is performed to determine if the comparison is in a low or high state if the output signals have a same low or high output level, or in an intermediate state if the output signals have a different output level. | 08-15-2013 |
20130191060 | METHOD OF MEASURING A PHYSICAL PARAMETER AND ELECTRONIC INTERFACE CIRCUIT FOR A CAPACITIVE SENSOR FOR IMPLEMENTING THE SAME - The method is for measuring a physical parameter via an electronic circuit connected to a two differential capacitor sensor having two fixed electrodes and a common moving electrode. The circuit supplies first and second digital measuring signals. Each measuring cycle consists on biasing fixed electrodes by a first biasing and a second biasing reverse of the first biasing, alternated with biasing the electrodes by the measuring voltage based on first and second digital signals. Each conversion starts by a small step value added to or subtracted from each digital signal in each cycle. If the successive identical amplifier output states counted or counted down by a counter is higher than a threshold, a large step value is added to or subtracted from the digital signals in each cycle. Re-adaptation to the small step value occurs when a sign change is detected in the counter, until the conversion end. | 07-25-2013 |
20130187668 | METHOD OF MEASURING A PHYSICAL PARAMETER AND ELECTRONIC INTERFACE CIRCUIT FOR A CAPACITIVE SENSOR FOR IMPLEMENTING THE SAME - The method is for measuring a physical parameter by an electronic circuit connected to a two differential capacitor sensor having two fixed electrodes and a common moving electrode. The electronic circuit supplies first and second digital measuring signals. Each measuring cycle consists on biasing the electrodes by the measuring voltage based on the first digital signal, connecting the fixed electrodes to a supply voltage source for a first biasing, biasing the electrodes by the measuring voltage based on the second digital measuring signal, and inversely connecting the fixed electrodes to a supply voltage source for a second biasing. In first successive measuring cycles, the first and second digital signals are adapted to each cycle by a large step value. In second successive measuring cycles, the first and second digital signals are adapted to each cycle by a small step value until the end of the conversion. | 07-25-2013 |
20130163697 | CIRCUIT FOR TRANSMITTING ASK RF SIGNALS WITH DATA SIGNAL EDGE ADAPTATION - The circuit is provided for the transmission of data amplitude modulated radio frequency signals. The circuit includes a local oscillator for generating an oscillating signal at a determined carrier frequency, a unit for shaping data pulses to supply a data amplitude modulation control signal (Vmod), and a power amplifier receiving the oscillating signal and the data amplitude modulation control signal (Vmod) for the transmission of data amplitude modulated radio frequency signals by an antenna or an antenna arrangement. The data pulse shaping unit ( | 06-27-2013 |
20130159751 | INSTALLATION OR DEVICE WITH A HIGH-DEFINITION MULTIMEDIA INTERFACE - The Installation is equipped with a power supply unit and a High-Definition Multimedia Interface (HDMI), this installation being able to be connected to a second HDMI device with which it can communicate by using a protocol defined in the HDMI Standard, this installation or device being able to be set in Standby or Power-down mode and to be removed from this Standby or Power-down mode by said second HDMI device via a Consumer Electronic Control (CEC) line. The installation has a Power Management Unit (PMU) arranged on the primary side of said power supply unit, this PMU having its own power supply circuit directly connected to the power supply source of this installation or device and being arranged for switching OFF the electrical energy on the secondary side of said power supply unit when this installation or device enters said Standby or Power-down mode. | 06-20-2013 |
20130095780 | TRANSPONDER WITH RECEIVING MEANS HAVING A LOW ELECTRICAL CONSUMPTION IN A LISTENING MODE - The transponder comprises an antenna and a receiver circuit ( | 04-18-2013 |
20130043859 | METHOD FOR ADJUSTING A REFERENCE VOLTAGE BASED ON A BAND-GAP CIRCUIT - The method adjusts a reference voltage of an electronic circuit based on a band-gap voltage supplied by a first band-gap stage. The band-gap stage includes a current source connected to a first branch, which includes a first configurable resistor in series with a first diode, and to a second branch, which includes a second configurable resistor connected to a complementary resistor in series with a second diode. The current source is a PMOS transistor controlled by an output voltage of a first operational amplifier of a current control loop. The appropriate binary word for configuring the configurable resistors is determined based on four band-gap voltage values measured at two different temperatures and two resistive values of the resistors configured by the same first binary word and by the same second binary word which is different from the first binary word. | 02-21-2013 |
20130006559 | METHOD FOR REDUCING NON-LINEARITY DURING MEASUREMENT OF A PHYSICAL PARAMETER AND ELECTRONIC CIRCUIT FOR IMPLEMENTING THE SAME - A method for reducing the non-linearity effect of a digital-analogue converter. An electronic circuit includes an amplifier and a digital-analogue converter for supplying a measuring voltage. The method includes biasing the capacitor electrodes by the measuring voltage on the basis of the first digital signal, then biasing the fixed electrode of the first capacitor at a regulated voltage and the fixed electrode of the second capacitor at a low voltage, then biasing the capacitor electrodes by the measuring voltage on the basis of a second digital measuring signal, and finally biasing the fixed electrode of the first capacitor at a low voltage and the fixed electrode of the second capacitor at a regulated voltage. A defined offset voltage is introduced into the digital-analogue converter to modulate the first and second digital signals. A mean is taken of the two digital signals to reduce the non-linearity effect of the converter. | 01-03-2013 |
20120299641 | TRANSPONDER WITH A MODULATOR - A RFID transponder includes an electronic circuit and an antenna, the electronic circuit being integrated in a p-type substrate and comprising a modulator formed by a PMOS transistor whose drain, electrically connected to a pad of the antenna, and source, connected to the ground of the electronic circuit, are arranged in an n-type well provided in the p-type substrate. The PMOS transistor has a gate driven by a driving circuit which is arranged for providing at least a negative voltage, this negative voltage being low enough for turning on this PMOS transistor in response to a control signal provided by a logical unit of the electronic circuit. | 11-29-2012 |
20120256690 | POWER AMPLIFIER CIRCUIT WITH MEANS FOR TUNING WAVE SHAPE OF ASK RF SIGNAL ENVELOPE, AND METHOD FOR IMPLEMENTING THE POWER AMPLIFIER CIRCUIT - A power amplifier circuit can be linked to an antenna arrangement of a communication system for transmission of ASK RF data signals. The power amplifier circuit includes an amplifier core with several cascode amplifier cells in parallel. Each cascode amplifier cell is composed of three NMOS transistors in triode mounting between an output terminal connected to the antenna arrangement, and an earth terminal. A first transistor of each cascode amplifier cell is controlled by a carrier frequency signal, whereas a second transistor of each cascode amplifier cell is controlled by a smoothing control loop in order to modulate data to be transmitted on carrier frequency by amplitude shift keying. The smoothing control loop is provided for generating an increasing gate voltage for the second transistors on the basis of an increasing current ramp from a first minimum current value to a second maximum current value during a “0” to “1” data transition. The smoothing control loop is provided for generating a decreasing gate voltage for the second transistors on the basis of a decreasing current ramp from the second maximum current value to the first minimum current value during a “1” to “0” data transition for shaping the envelope of ASK RF data signals to be transmitted. | 10-11-2012 |
20120163054 | POWER SUPPLY UNIT HAVING A VOLTAGE CONVERTER - The present invention concerns an electrical installation or device equipped with a power supply unit comprising a voltage converter having primary and secondary parts respectively defining a primary side and a secondary side of this electrical installation or device. This power supply unit comprises a power management unit arranged on the primary side, the primary part of the converter being associated with a control circuit also arranged on the primary side and controlling the electrical energy flowing in the primary power path of the primary part. The control circuit receives from the power management unit at least a first control signal for switching OFF the electrical energy in the primary power path, the power supply unit entering a very low power mode (“Power-down” mode) when the first control signal is set to OFF so that the converter is not supplied anymore. The power management unit is arranged such that, in the very low power mode, it can receive or generate at least a wake-up signal and set to ON the first control signal in response to the wake-up signal for supplying again the primary and secondary parts of the converter. | 06-28-2012 |
20110185127 | PROCESSOR CIRCUIT WITH SHARED MEMORY AND BUFFER SYSTEM - The processor circuit ( | 07-28-2011 |
20110154906 | METHOD OF MEASURING A PHYSICAL PARAMETER AND ELECTRONIC INTERFACE CIRCUIT FOR A CAPACITIVE SENSOR FOR IMPLEMENTING THE SAME - The measuring method is for measuring a physical parameter by means of an electronic interface circuit ( | 06-30-2011 |
20110147571 | MOTION DETECTION MECHANISM FOR LASER ILLUMINATED OPTICAL MOUSE SENSOR - A method for measuring relative motion between an illuminated surface and an optical sensing device comprising a coherent light source and a photodetector array is described. The method includes illuminating under a determined gradient, using the coherent light source, a surface portion at a determined flash rate; detecting, using the photodetector array, speckled light intensity pattern of the illuminated surface portion for a first flash; detecting a second speckled light intensity pattern of the illuminated surface portion for a second flash; extracting motion features of two different types from the detected first and second speckled light intensity patterns; determining a measurement of relative motion between the optical sensing device and the illuminated surface portion based on comparison of motion features extracted; wherein the method further comprises a filtering step in order to adjust, and preferably decrease, the number of motion features used in the step of determining a measurement of relative motion. | 06-23-2011 |
20110119017 | SELF-POWERED DETECTION DEVICE WITH A NON-VOLATILE MEMORY - The self-powered detection device comprises a Non-Volatile Memory (NVM) unit ( | 05-19-2011 |
20110115548 | SELF-POWERED EVENT DETECTION DEVICE - The self-powered detection device comprises at least a non-volatile memory cell ( | 05-19-2011 |
20110115540 | SELF-POWERED DETECTION DEVICE WITH A NON-VOLATILE MEMORY - The self-powered detection device comprises a Non-Volatile Memory (NVM) unit ( | 05-19-2011 |
20110110171 | POWERLESS EXTERNAL EVENT DETECTION DEVICE - The external event detection device comprises an electronic unit ( | 05-12-2011 |
20110088448 | INSTRUMENT FOR CALIBRATING AN ALTIMETRIC DEVICE - Calibration instrument for an altimetric device delivering an indication of the altitude of the location where it is located on the basis of an atmospheric pressure measurement, characterized in that it includes means for transmitting a signal carrying data representative of the altitude at which it is placed. The invention also concerns a device delivering an indication of the altitude of the place where it is located on the basis of an atmospheric pressure measurement and a calibration system including a calibration instrument and an altimetric device. | 04-21-2011 |
20110006993 | METHOD OF FABRICATING A GLASS WITH CAPACITIVE TOUCH KEYS FOR AN ELECTRONIC INSTRUMENT AND INSTRUMENT COMPRISING THE SAME - The method is for fabricating a transparent or semi-transparent element, such as a glass ( | 01-13-2011 |
20110003564 | OPERATION TEST METHOD FOR A CIRCUIT FOR TRANSMITTING AND RECEIVING SIGNALS - The invention concerns a test method for a transmitter-receiver circuit. This transmitter-receiver circuit includes an antenna, connected to a processing unit, arranged for receiving signals and converting their frequency. The transmitter-receiver circuit also includes a power amplifier connected to said antenna and arranged for sending transmission signals. The transmitter-receiver circuit also includes a test module, characterized in that it includes the steps consisting in:
| 01-06-2011 |
20100245153 | ACTIVE TRANSPONDER WITH VERY LOW ELECTRIC POWER CONSUMPTION IN STANDBY MODE - The active transponder includes an input amplifier ( | 09-30-2010 |
20100231237 | ELECTRONIC CIRCUIT WITH A CAPACITIVE SENSOR FOR MEASURING A PHYSICAL PARAMETER AND METHOD OF ACTIVATING THE ELECTRONIC CIRCUIT - The electronic circuit ( | 09-16-2010 |
20100201393 | CHIP CARD WITH A MEASURING CIRCUIT THAT HAS A SENSOR, AND METHOD OF MAKING THE CHIP CARD - The chip card ( | 08-12-2010 |
20100140359 | ELECTRONIC CARD HAVING CONTROL MEANS - The electronic card comprises at least one integrated circuit disposed on a printed circuit board, connection means to an electrical supply source connected to the printed circuit board in order to supply said integrated circuit, and control means which can be actuated manually and are connected to the integrated circuit. The integrated circuit is provided for processing signals generated by the control means. Said integrated circuit, the control means at least a part of connection means to and the supply source are enclosed in at least one layer of insulating material forming said card. The control means are formed by an assembly of electrodes in order to define a touch screen with capacitive keys which can each be activated by means of a finger (D) of a user or a pen placed on one contact surface of the card opposite at least one touch key for introduction of data or a command. A conductive shielding screen is provided on one side of the electrodes of the capacitive keys which is opposite the contact surface. | 06-10-2010 |
20100070687 | PROCEDURE FOR ACCESSING A NON-VOLATILE WATCH MEMORY - The invention relates to a procedure for accessing a non-volatile watch memory, the watch comprising two supply terminals accessible from the outside that define a potential difference corresponding to a standard supply voltage, and a control circuit of the non-volatile memory produced using a technology supporting a predefined maximum supply voltage, the access procedure consisting of transmitting the following to the control circuit of the non-volatile memory by means of a supply terminal of the watch: a) an opening key to authorise access to the non-volatile memory; b) an instruction for access to the non-volatile memory; the procedure being characterised in that the opening key is a predefined instruction transmitted by modulation of the standard supply voltage such that this does not exceed the predefined maximum supply voltage. | 03-18-2010 |
20100066457 | LOW-POWER RELAXATION OSCILLATOR - The low-power relaxation oscillator comprises a first module ( | 03-18-2010 |
20100039267 | CIRCUIT AND METHOD FOR POWER-UP OPTIMIZATION OF RFID TRANSPONDER - The present invention relates to a radio-frequency identification tag ( | 02-18-2010 |
20100013518 | CONFIGURATION BACKUP DEVICE FOR THE TERMINALS OF AN INTEGRATED CIRCUIT AND METHOD OF ENABLING THE DEVICE - The integrated circuit device ( | 01-21-2010 |
20100008117 | POWER SUPPLY UNIT HAVING A VOLTAGE CONVERTER - The present invention concerns an electrical installation or device equipped with a power supply unit comprising a voltage converter having primary and secondary parts respectively defining a primary side and a secondary side of this electrical installation or device. This power supply unit comprises a power management unit arranged on said primary side, the primary part of the converter being associated with a control circuit also arranged on said primary side and controlling the electrical energy flowing in the primary power path of said primary part. The control circuit receives from the power management unit at least a first control signal for switching OFF the electrical energy in said primary power path, said power supply unit entering a very low power mode (“Power-down” mode) when said first control signal is set to OFF so that the converter is not supplied anymore. The power management unit is arranged such that, in said very low power mode, it can receive or generate at least a wake-up signal and set to ON said first control signal in response to said wake-up signal for supplying again said primary and secondary parts of the converter. | 01-14-2010 |
20100002547 | WATCH FITTED WITH AN ELECTRIC MOTOR CONTROL CASE - The invention concerns an electronic watch ( | 01-07-2010 |
20090298543 | CHIP CARD WITH COMPLEMENTARY ELECTRONIC MEANS - The chip card includes at least one integrated circuit ( | 12-03-2009 |
20090294636 | OPTICAL MOVEMENT DETECTION DEVICE - The invention relates to an optical movement detection device including a light source ( | 12-03-2009 |
20090206819 | DC-DC CONVERTER FOR A LOW POWER ELECTRONIC CIRCUIT - The DC-DC converter ( | 08-20-2009 |
20090175074 | DEVICE FOR READING A LOW-CONSUMPTION NON-VOLATILE MEMORY AND ITS IMPLEMENTING METHOD - The reading device enables a non-volatile memory consisting of a matrix of memory cells (T | 07-09-2009 |
20090173794 | ELECTRONIC CIRCUIT FOR A RESPONDER WHICH IS NOT INITIALISED WHEN THE SUPPLY VOLTAGE IS SWITCHED ON - The electronic circuit is intended to form with an antenna a responder that operates without resetting to zero when the power supply of the electronic circuit is switched on (without POR). To increase efficiency and reduce the costs of testing a plurality of such integrated circuits in a wafer, means are provided that allow the logic circuit ( | 07-09-2009 |
20090167721 | SCREEN WITH CAPACITIVE TOUCH ZONES - Capacitive touch screen including first and second substrates ( | 07-02-2009 |
20090135678 | ELECTRONIC CIRCUIT CONTROLLING THE OPERATION OF PERIPHERAL MEMBERS OF THE WATCH - The electronic circuit ( | 05-28-2009 |
20090066392 | ELECTRONIC CIRCUIT FOR MEASURING A PHYSICAL PARAMETER SUPPLYING AN ANALOGUE MEASUREMENT SIGNAL DEPENDENT UPON THE SUPPLY VOLTAGE - The electronic circuit ( | 03-12-2009 |
20090059989 | OPTOELECTRONIC CIRCUIT WITH A PHOTORECEPTOR AND A LASER DIODE, AND MODULE COMPRISING THE SAME - The optoelectronic circuit includes a photoreceptor ( | 03-05-2009 |
20090058614 | ELECTRONIC IDENTIFICATION DEVICE OR TRANSPONDER FITTED WITH TWO ANTENNAE TUNED TO DIFFERENT FREQUENCIES - The electronic identification device or transponder ( | 03-05-2009 |
20090011373 | METHOD OF MANUFACTURING MECHANICAL AND MICROMECHANICAL PARTS - The invention concerns a method of manufacturing parts of a first material able to be etched, from a substrate including at least one superficial layer of said first material. The method includes the following steps:
| 01-08-2009 |
20080266061 | TRANSPONDER CIRCUIT WITH DOUBLE CLOCK EXTRACTOR UNIT - The transponder circuit comprises a double clock extractor unit ( | 10-30-2008 |
20080230679 | INTEGRATED PHOTORECEPTOR CIRCUIT AND OPTOELECTRONIC COMPONENT INLCUDING THE SAME - The integrated photoreceptor circuit includes a photosensitive area for picking up light and a processing unit area for processing the signals provided by the photosensitive area. This photoreceptor circuit includes electric contact pads, which are arranged symmetrically solely on the side of the processing unit area, which is juxtaposed with the photosensitive area. The integrated photoreceptor circuit is mounted on a first portion of a flexible substrate. The contact pads of the integrated photoreceptor circuit are electrically connected to electrical connection pads of the printed circuit of the flexible substrate. A second portion of the flexible substrate carries electrical connection terminals, which are connected to the connection pads via conductive paths, arranged in part on a connecting portion between the first and second portions. A through aperture in the first portion may be provided opposite the photosensitive area only of the photoreceptor circuit. | 09-25-2008 |
20080229042 | METHOD FOR LOCKING NON VOLATILE MEMORY WORDS IN AN ELECTRONIC DEVICE FITTED WITH RF COMMUNICATION MEANS - The electronic device, in particular a transponder, includes a non volatile memory (EEPROM) having a plurality of words | 09-18-2008 |
20080204416 | OPTOELECTRONIC MODULE PROVIDED WITH AT LEAST ONE PHOTORECEPTOR CELL - The optoelectronic module ( | 08-28-2008 |
20080204333 | Device for checking energy received by an antenna for preventing data corruption during a write operation in a non volatile transponder memory - A transponder circuit includes an antenna ( | 08-28-2008 |
20080197861 | METHOD OF AUTOMATICALLY TESTING AN ELECTRONIC CIRCUIT WITH A CAPACITIVE SENSOR AND ELECTRONIC CIRCUIT FOR THE IMPLEMENTATION OF THE SAME - A method for automatically testing an electronic circuit with a capacitive sensor having two capacitors is provided, wherein the common electrode of the capacitors moves relative to each fixed electrode. The electronic circuit includes a sensor interface that includes a charge transfer amplifier unit, an integrator unit connected to the amplifier unit to provide measurement output voltage, and an excitation unit. The excitation unit inversely polarizes each fixed electrode at high or low voltage or discharges the capacitors. The method includes several successive measurement cycles each divided into a first phase discharging capacitors by output voltage and a second phase for polarizing the fixed electrode of the first capacitor at high voltage and inversely polarizing the fixed electrode of the second capacitor at low voltage. In the measuring cycles, a test phase replaces a second polarizing phase in at least one cycle in every two successive measurement cycles. | 08-21-2008 |