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EXTERNAL EFFECT

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327 - Miscellaneous active electrical nonlinear devices, circuits, and systems

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
327512000 Temperature 192
327517000 Responsive to proximity or touch 108
327514000 Light 12
327510000 Magnetic 10
327516000 Utilizing conversion of mechanical variations into electrical variations (e.g., vibration sensitive, etc.) 8
Entries
DocumentTitleDate
20080272826Interrupt/Wake-Up of an Electronic Device in a Low Power Sleep Mode When Detecting a Sensor or Frequency Source Activated Frequency Change - Activation of an external sensor coupled to an electronic device will change the frequency of a low power oscillator in the electronic device that runs during a low power sleep mode of the electronic device. When a change in frequency of the low power oscillator is detected, the electronic device will wake-up from the low power sleep mode. In addition, when a change in frequency from an external frequency source is detected, the electronic device will wake-up from the low power sleep mode.11-06-2008
20080278217PROTECTION FOR CIRCUIT BOARDS - A system comprising a circuit board and an integrated circuit device mounted on the circuit board by means of an external contact, and comprising an anti-tamper device being connectable to the external contact to switch the integrated circuit device into a safe mode upon application of a predetermined electrical state at the external contact is described.11-13-2008
20090302928Motion Detector for Animals - A motion detector, in particular suitable for animals, comprising at least one motion element, wherein an element movable within a predetermined area is located, which brings about an electrical connection in at least one position, wherein the movable element is a magnetic element, which can move along a path of travel formed by a cavity in the motion element, and wherein, near the path of travel, at least one magnetically sensitive switching element is placed, which can be influenced by the magnetic element.12-10-2009
20100033231High-Resolution Parametric Signal Restoration - Provided are high-resolution parametric signal restoration systems, and applications thereof. Such systems include a multi-output module and a parametric compensator. The multi-output module provides a reference gain output signal and one or more higher gain output signals based on a single input signal. The parametric compensator independently responds to functional parameters of the one or more higher gain output signals to provide a compensation error signal. The single input signal is modified based on the compensation error signal.02-11-2010
20090079492ELECTRONIC SYSTEM CAPABLE OF COMPENSATING PROCESS, VOLTAGE AND TEMPERATURE EFFECTS - An electronic system includes an integrated circuit, powered by a first voltage, with a first device provided therein; a detection device coupled to the first device to detect an output deviation of the first device attributed to process, voltage and temperature (PVT) effects; and a compensation device coupled to the detection device, adjusting the first voltage in response to the output deviation and outputting the first voltage to the integrated circuit to compensate for the PVT effects. The electronic system further comprises a conversion device, coupled between the detection device and the compensation device, to generate an indication signal corresponding to the output deviation for the compensation device to adjust the first voltage. In addition, the compensation device may compare and amplify a difference between a voltage level of the indication signal and a reference to linearly adjust the first voltage for compensating for the PVT effects.03-26-2009
20080272827Interrupt/Wake-Up of an Electronic Device in a Low Power Sleep Mode When Detecting a Sensor or Frequency Source Activated Frequency Change - Activation of an external sensor coupled to an electronic device will change the frequency of a low power oscillator in the electronic device that runs during a low power sleep mode of the electronic device. When a change in frequency of the low power oscillator is detected, the electronic device will wake-up from the low power sleep mode. In addition, when a change in frequency from an external frequency source is detected, the electronic device will wake-up from the low power sleep mode.11-06-2008
20090231019INPUT DEVICE FOR COMPLEX CONTROL SIGNAL - An input device for a multiplex control signal is applied to provide one or more input position(s) for a user, where each input position generates a plurality of control signals corresponding to a plurality of input states, and an output control unit determines the output of the control signals from each the same input position according a time parameter.09-17-2009
20110227632CHARGE PULSE DETECTING CIRCUIT - The current invention relates, inter alia, to charge pulse amplitude and time detecting circuits, offering very low amplitude and temporal noise, and overcoming noise performance limits in charge pulse detection circuits according to prior art. Embodiments of the present invention may include a sensing device delivering charge pulses onto a sense node, an active buffer buffering the voltage on the sense node with a low impedance, a recharge device removing signal charge from the sense node, a noise filter connected to the output of the active buffer transmitting signal voltage pulses while attenuating noise from the recharge device. Additional and alternative embodiments are specified and claimed.09-22-2011
20120001677INTELLIGENT DECORATIVE DISPLAYS WITH AMBIENT ELECTROMAGNETIC FIELD SWITCHING - A system and method of controlling self powered decorative devices using EMF emanating from, for example, a light string on a Christmas tree. The decorative devices sense the presence of EFM from the light string and actuate in response thereto and turn off when the field disappears, thereby saving energy. In an alternate embodiment, the EMF source is capable of modulation and the slave decorations are coded and tuned to specific EMF characteristics, such as frequency. The master EMF source transmits the EMF of different characteristic thereby causing the coded slave decorations to operate in a synchronized matter. The system may also be responsive to music or other inputs to create special decorative effects.01-05-2012
20120013392METHODS AND APPARATUS FOR MEASURING ANALYTES - Methods and apparatus relating to FET arrays including large FET arrays for monitoring chemical and/or biological reactions such as nucleic acid sequencing-by-synthesis reactions. Some methods provided herein relate to improving signal (and also signal to noise ratio) from released hydrogen ions during nucleic acid sequencing reactions.01-19-2012
20080309396Hacking Detector Circuit For Semiconductor Integrated Circuit and Detecting Method Thereof - Disclosed is a semiconductor integrated circuit which includes a pre-charge capacitor connected to a check node pre-charged. A sense capacitor is configured to discharge the check node. A detector is configured to detect whether the sense capacitor is exposed, based upon a voltage of the check node after a predetermined length of time has elapses.12-18-2008
20110181345PHASE TRANSITION DEVICES AND SMART CAPACITIVE DEVICES - Phase transition devices may include a functional layer made of functional material that can undergo a change in conductance in response to an external stimulus such as an electric or magnetic or optical field, or heat. The functional material transitions between a conducting state and a non-conducting state, upon application of the external stimulus. A capacitive device may include a functional layer between a top electrode and a bottom electrode, and a dielectric layer between the functional layer and the top electrode. A three terminal phase transition switch may include a functional layer, for example a conductive oxide channel, deposited between a source and a drain, and a gate dielectric layer and a gate electrode deposited on the functional layer. An array of phase transition switches and/or capacitive devices may be formed on a substrate, which may be made of inexpensive flexible material.07-28-2011
20090108912Circuit Architecture for Radiation Resilience - A system and method for extending the operating life of a device susceptible to defects caused by total ionizing dose radiation and/or bias dependent degradation are described. The device is replicated at least once and at least one switching mechanism is used to cycle between the devices such that only one device is operating normally. While the first device is operating normally, the other devices are biased. The bias condition may slow, eliminate, or even reverse device shifts that occur due to total ionizing dose radiation or bias effects.04-30-2009
20120326767ACTIVE CHEMICALLY-SENSITIVE SENSORS - Methods and apparatus relating to FET arrays for monitoring chemical and/or biological reactions such as nucleic acid sequencing-by-synthesis reactions. Some methods provided herein relate to improving signal (and also signal to noise ratio) from released hydrogen ions during nucleic acid sequencing reactions.12-27-2012
20120092061FAN CONTROL SYSTEM - A fan control system for controlling a fan to dissipate heat from an electronic device includes a current detection circuit having a shunt resistor to receive current, a signal amplification circuit having an operational amplifier, and a switch circuit having an npn transistor and a pnp transistor. A first terminal of the shunt resistor is connected to the electronic device, a second terminal of the shunt resistor is connected to the electronic device via a power source and is grounded. A non-inverting terminal of the operational amplifier is connected to the first terminal of the shunt resistor, an inverting terminal of the operation amplifier is connected to the second terminal of the shunt resistor via a first resistor and connected to an output terminal of the operational amplifier via a second resistor. The output terminal of the operation amplifier is grounded via a third resistor and a sixth resistor.04-19-2012
20130021087INPUT DEVICE WITH ELASTIC MEMBRANE - A device includes a flexible polymer membrane with compliant electrodes attached thereto. The membrane is suspended in a frame. A handle, which is displaceable in respect to the frame, is connected to the membrane. A displacement of the handle causes the electrodes on the membrane to be deformed, thereby changing their area and resistance. The change of area or resistance is measured by a capacitive or resistive sensing circuit and is used to measure the deformation and therefore the displacement of the handle.01-24-2013
20110234299SENSOR CONTROL CIRCUIT AND SENSOR - A sensor control circuit for controlling a sensor unit for measuring a physical value includes a timing controller which selects periodically one or more sensor units among multiple sensor units and converts an output signal from the sensor unit to a continuous serial input signal, an oscillator which receives the serial input signal input by the controller and outputs a frequency signal corresponding to the output signal detected by the sensor unit, a counter which counts for a predetermined duration a number of pulses of the frequency signal output from the oscillator, a data converter which converts the number of pulses to voltage data and outputs the data, and an RLC selector which inputs to the converter information indicating a characteristic value on which the number of pulses is based. The characteristic value is resistance, inductance or electrostatic capacitance. The sensor units measure physical values, respectively.09-29-2011

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