| EM MICROELECTRONIC-MARIN SA Patent applications |
| Patent application number | Title | Published |
|---|
| 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 |
