Class / Patent application number | Description | Number of patent applications / Date published |
327516000 | Utilizing conversion of mechanical variations into electrical variations (e.g., vibration sensitive, etc.) | 14 |
20080231343 | Method and System for Vibration Sensing Power Management - The invention provides in one aspect a method for vibration sensing. The method comprises powering down at least one electronic component required for recording vibration data; powering down a processor used to carry out one or more steps of the method; measuring the vibration level of a machine in a frequency band of interest; comparing the measured vibration level with a user-selected reference vibration level; and powering up the processor if the measured vibration level is greater than or equal to the reference vibration level. In another aspect the invention provides a system for vibration sensing. | 09-25-2008 |
20080315941 | Flat Substrate Having an Electrically Conductive Structure - The description is of a flat substrate with an electrically conductive structure integrated inside the flat substrate or applied to a surface of the flat substrate and/or with a technically improved surface. | 12-25-2008 |
20090201073 | Pump Control Unit with Decelerometer Switch - A pump control unit incorporates an accelerometer as a sensor. Responsive to outputs from the sensor, electrical load driving signals can be provided to energize a pump motor to reduce a fluid level in an enclosure. | 08-13-2009 |
20100148852 | ORIENTATION DETECTION CIRCUIT AND ELECTRONIC DEVICE USING THE SAME - An orientation detection circuit is provided. The circuit includes a processor, a first resistor, a second resistor, a third resistor, a vibration switch, a first transistor, and a second transistor. The processor includes a first input pin and a second input pin. The third resistor has a resistance value greater than that of the first resistor and the third resistor. The vibration switch includes a first terminal being grounded, a second terminal connected to the second input pin, a third terminal connected to a power source, and a fourth terminal connected via the third resistor to the second terminal and connected to the first input pin. The first transistor has a first source connected via the first resistor to the power source, a first drain connected to the first input pin, and a first gate connected to the second input pin. | 06-17-2010 |
20110115547 | Pressure Enabling Device and Method and Electronic Apparatus Containing the Same - A pressure enabling apparatus includes: a pressure sensor, a resistance wire and a pressure setting module, wherein a terminal of the resistance wire is connected to the pressure sensor and another terminal thereof is connected to an electronic apparatus. The pressure setting module is provided for receiving and converting a resistance variation of the resistance wire into a pressure value. The pressure sensor is provided for varying the resistance value thereof according to an external pressure variation, wherein the resistance variation is processed and transmitted to the pressure setting module via the resistance wire. The electronic apparatus implements an application or function according to a pressure value of the pressure setting module. An electronic apparatus is also provided for implementing different applications by pressing the electronic apparatus and for setting numbers or pages when an application of music-playing or document-reading is locked. | 05-19-2011 |
20110241758 | MOVEMENT SENSOR - A device may include a component including an electroactive polymer (EAP) material configured to generate a voltage in response to movement of the component. The device may also include voltage detector coupled to the component, the voltage detector configured to detect voltage generated by the component. The device may further include processing logic configured to perform a function based on the detected voltage. | 10-06-2011 |
20110316611 | CONTROL CORD FOR HEADSETS AND AUXILIARY DEVICES - A cord-based controller for an auxiliary device, such as a headset, is provided for use with a portable electronic device. A pressure-sensitive, and preferably bendable, material such as a piezoelectric pressure sensor is placed within or on an or cord of a headphone lead, such as by wrapping it within the outer shielding of the cord. A self-powered controlling sensor is arranged to control the electronic device using a generated control signal. The controlling sensor comprises a sensor material. The control signal is generated by deformation of the sensor material independent of power supplied to the headset and independent of power supplied to the portable electronic device. This is achieved without requiring a separate housing for the controller, which typically protrudes from the cord. A plurality of control sensor elements can be provided, each producing a different control signal voltage transmitted along a single control signal electrical. | 12-29-2011 |
20130207714 | SHUNT SWITCH AT COMMON PORT TO REDUCE HOT SWITCHING - Pilot switch circuitry grounds a hot node (an injection node) of a microelectromechanical system (MEMS) switch to reduce or eliminate arcing between a cantilever contact and a terminal contact when the MEMS switch is opened or closed. The pilot switch circuitry grounds the hot node prior to, during, and after the cantilever contact and terminal contact of the MEMS come into contact with one another (when the MEMS switch is closed). Additionally, the pilot switch circuitry grounds the hot node prior to, during, and after the cantilever contact and terminal contact of the MEMS disengage from one another (when the MEMS switch is opened). | 08-15-2013 |
20130222046 | MODIFIED BINARY SEARCH FOR TRANSFER FUNCTION ACTIVE REGION - This document discusses, among other things, a modified binary search configured to identify monotonic transfer function active region boundaries. The modified binary search can avoid false results outside of the active region of the monotonic transfer function. | 08-29-2013 |
20130241629 | Actuator and Method of Manufacture Thereof - An actuator for controlling the operation of an apparatus comprises a panel ( | 09-19-2013 |
20140253219 | COMPENSATION OF CHANGES IN MEMS CAPACITIVE TRANSDUCTION - A method for compensating for strain on a MEMS device includes generating a signal indicative of a strain on the MEMS device in a first mode of operating a system including the MEMS device. The method includes compensating for the strain in a second mode of operating the system based on the signal. Generating the signal may include comparing an indicator of a resonant frequency of the MEMS device to a predetermined resonant frequency of the MEMS device. Generating the signal may include comparing a first output of a strain-sensitive device to a second output of a strain-insensitive device and generating an indicator thereof. Generating the signal may include sensing a first capacitive transduction of strain-sensitive electrodes of the MEMS device in the first mode and generating the signal based thereon. The strain-sensitive electrodes of the MEMS device may be disabled in the second mode. | 09-11-2014 |
20140368259 | INFERENTIAL SENSING ENGINE - Providing a fast response to a process step while allowing a sensor response to remain relatively slow. A mechanical component generates a response to a step change in a physical property and an electrical component generates an analog electrical signal indicative of the response generated by the mechanical component over a period of time. The analog electrical signal is converted into digital values and the digital values are used to indicate the final value of the step change in the physical property before the period of time has elapsed. | 12-18-2014 |
20150145589 | CAPACITANCE PROCESSING CIRCUIT AND A MEMS DEVICE - The claims define a processing circuit for processing input signals from a capacitive transducer structure. A current-to-voltage converter receives two input signals from the capacitive transducer structure, and outputs two output signals to gain stage circuits, and to a reference voltage generator. The gain stages generate from the output voltage signals a differential output signal. The reference voltage generates from the output signals a common mode output signal. The processing circuit generates a digital signal that corresponds to a quotient of the differential output signal and the common mode output signal. | 05-28-2015 |
20160134199 | HIGH VOLTAGE ANALOG SWITCH - A high voltage analog switch can be used in medical ultrasound applications. The high voltage analog switch can pass high voltage transducer excitation signals without necessarily having any high voltage power supplies. The high voltage analog switch can include three output switches, with one of the output switches having a clamp circuit for ensuring that transistors of an output switch on an input end of the high voltage analog switch remain OFF when the high voltage analog switch is OFF. | 05-12-2016 |