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Class Information
Number: 331/66
Name: Oscillators > With device responsive to external physical condition > Temperature or light responsive
Description: Subject matter wherein the condition responsive means is responsive to temperature or radiant energy in the form of light.










Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8710938 Electronic device including predicted frequency error estimation of a voltage controlled oscillator and related methods Apr. 29, 2014
8686806 Highly accurate temperature stable clock based on differential frequency discrimination of oscillators Apr. 1, 2014
8674779 Reference current generator circuit Mar. 18, 2014
8669822 Resonator Mar. 11, 2014
8659361 Function generator circuit Feb. 25, 2014
8504164 Low energy communications for implanted medical devices Aug. 6, 2013
RE44368 Temperature-compensated crystal oscillator Jul. 16, 2013
8482356 Constant-temperature piezoelectric oscillator and method of manufacturing the same Jul. 9, 2013
8446226 Oven controlled crystal oscillator May. 21, 2013
8390390 Oven controlled crystal oscillator Mar. 5, 2013
8314662 Temperature compensation method for piezoelectric oscillator, and piezoelectric oscillator Nov. 20, 2012
8284063 Peripheral event indication with pir-based motion detector Oct. 9, 2012
8245571 Component and production method for a component Aug. 21, 2012
8248176 Current source circuit and delay circuit and oscillating circuit using the same Aug. 21, 2012
8237515 Crystal oscillator temperature control and compensation Aug. 7, 2012
8203392 Oscillator stabilized for temperature and power supply variations Jun. 19, 2012
8203393 Voltage controlled oscillator open loop coarse amplitude control with respect to process and temperature variations Jun. 19, 2012
8183940 Temperature control device May. 22, 2012
8179201 Resonator May. 15, 2012
8174330 Method and system for an energy efficient temperature sensing crystal integrated circuit May. 8, 2012
8149068 Temperature controlled crystal oscillator Apr. 3, 2012
8125284 Temperature compensation method and apparatus for an output frequency signal based on successive approximation Feb. 28, 2012
8093956 Circuit for adjusting the temperature coefficient of a resistor Jan. 10, 2012
8089326 PVT-independent current-controlled oscillator Jan. 3, 2012
8076984 Periodic signal generating circuit dependent upon temperature for establishing a temperature independent refresh frequency Dec. 13, 2011
8072281 Method, system and apparatus for accurate and stable LC-based reference oscillators Dec. 6, 2011
8067992 Temperature compensation circuit and method Nov. 29, 2011
8031012 Optoelectronic oscillator and pulse generator Oct. 4, 2011
8031010 Ruggedized chip scale atomic clock Oct. 4, 2011
8022777 Ovenized crystal oscillator assembly Sep. 20, 2011
8013683 Constant-temperature type crystal oscillator Sep. 6, 2011
7982550 Highly accurate temperature stable clock based on differential frequency discrimination of oscillators Jul. 19, 2011
7952435 Phase locked loop and method for compensating temperature thereof May. 31, 2011
7936227 Reference oscillator and its use May. 3, 2011
7928811 System and method for use of a switched mode TCXO for receiver applications Apr. 19, 2011
7924103 Inductive proximity switch and method for its operation Apr. 12, 2011
7920032 Oscillator based on thermal diffusion Apr. 5, 2011
7907027 Frequency and/or phase compensated microelectromechanical oscillator Mar. 15, 2011
7893776 Monitoring and compensating for real time local circuit speed in an integrated circuit Feb. 22, 2011
7865307 Method and apparatus for real time clock (RTC) brownout detection Jan. 4, 2011
7855608 System and method for providing temperature correction in a crystal oscillator Dec. 21, 2010
7847644 Modulation signal generation circuit, transmission/reception module, and radar device Dec. 7, 2010
7831873 Method and apparatus for detecting sudden temperature/voltage changes in integrated circuits Nov. 9, 2010
7816993 Temperature compensated crystal oscillator Oct. 19, 2010
7791424 Crystal oscillator emulator Sep. 7, 2010
7791422 Voltage controlled oscillator with cascaded emitter follower buffer stages Sep. 7, 2010
7791416 PLL circuit Sep. 7, 2010
7786812 Oscillators having reactance-adjustable frequency control Aug. 31, 2010
7777555 Temperature compensating circuit and method Aug. 17, 2010
7768361 Crystal oscillator emulator Aug. 3, 2010

1 2 3 4 5 6 7










 
 
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