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Class Information
Number: 331/69
Name: Oscillators > With outer casing or housing > With temperature modifier
Description: Subject matter wherein means are associated with the housed oscillator for controlling or modifying the temperature of the oscillator or elements thereof.


Patents under this class:
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Patent Number Title Of Patent Date Issued
7602259 Voltage-controlled oscillator Oct. 13, 2009
7589599 Heating system for a double-ovenized oscillator on a single printed circuit board Sep. 15, 2009
7515496 Self-refresh timer circuit and method of adjusting self-refresh timer period Apr. 7, 2009
7479835 Constant temperature type crystal oscillator for high stability Jan. 20, 2009
7471162 Surface mount type temperature-compensated crystal oscillator Dec. 30, 2008
7427902 High-stability piezoelectric oscillator Sep. 23, 2008
7394327 Surface mount type temperature-compensated crystal oscillator Jul. 1, 2008
7382204 Constant temperature crystal oscillator Jun. 3, 2008
7345552 Constant temperature type crystal oscillator Mar. 18, 2008
7310024 High stability double oven crystal oscillator Dec. 18, 2007
7253694 Temperature compensated oven controlled crystal oscillator Aug. 7, 2007
7211926 Temperature compensated oscillator including MEMS resonator for frequency control May. 1, 2007
7173499 High-stability piezoelectric oscillator Feb. 6, 2007
7167057 Microwave oscillator Jan. 23, 2007
7116182 Method and system for downhole clock having compensation Oct. 3, 2006
7023291 Oven controlled crystal oscillator for high stability Apr. 4, 2006
6870430 PLL-controlled oscillator Mar. 22, 2005
6859110 High-stability piezoelectric oscillator Feb. 22, 2005
6850125 Systems and methods for self-calibration Feb. 1, 2005
6784756 On-board processor compensated oven controlled crystal oscillator Aug. 31, 2004
6731180 Evacuated hybrid ovenized oscillator May. 4, 2004
6707347 Crystal oscillator that utilizes the power transistor of an output amplifier to heat the crystal resonator Mar. 16, 2004
6703906 System and method for programming oscillators Mar. 9, 2004
6621361 Dual oven oscillator using a thermoelectric module Sep. 16, 2003
6559728 Miniature ovenized crystal oscillator May. 6, 2003
6501340 Oscillator with frequency stabilizing circuit and method of constructing same Dec. 31, 2002
6384385 Process and device for the thermal conditioning of electronic components May. 7, 2002
6362700 Temperature controlled compensated oscillator Mar. 26, 2002
6208213 Thermostatically controlled crystal oscillator Mar. 27, 2001
6166608 Thermo-electric cooled oven controlled crystal oscillator Dec. 26, 2000
6127661 Dynamic thermal control for ovenized oscillators Oct. 3, 2000
6049256 Low profile ovenized oscillator packing having a high thermal conductivity substrate Apr. 11, 2000
5917272 Oven-heated crystal resonator and oscillator assembly Jun. 29, 1999
5794126 Emergency positioning indicating radio buoy having a thermally insulated frequency standard Aug. 11, 1998
5757243 High frequency system including a superconductive device and temperature controlling apparatus May. 26, 1998
5729181 High thermal gain oven with reduced probability of temperature gradient formation for the operation of a thermally stable oscillator Mar. 17, 1998
5659270 Apparatus and method for a temperature-controlled frequency source using a programmable IC Aug. 19, 1997
5656189 Heater controller for atomic frequency standards Aug. 12, 1997
5652550 Method and apparatus for isolating an oscillator from external mechanical and thermal effects using aerogels Jul. 29, 1997
5629649 Frequency standard generator synchronized with satellite or other communication network reference clocks May. 13, 1997
5530408 Method of making an oven controlled crystal oscillator the frequency of which remains ultrastable under temperature variations Jun. 25, 1996
5519359 Microwave oscillator with loop frequency conversion to and signal amplification at an intermediate frequency May. 21, 1996
5488333 Wireless thermally insulated crystal oscillator having power and signals coupled through transceivers Jan. 30, 1996
5485127 Integrated dynamic power dissipation control system for very large scale integrated (VLSI) chips Jan. 16, 1996
5332979 Compact radio-frequency power-generator system Jul. 26, 1994
5200714 Crystal oscillator with quartz vibrator having temperature detecting faculty, quartz vibrator for use therein, and method of measuring temperature using quartz vibrator Apr. 6, 1993
5113416 Digital radio frequency compensation May. 12, 1992
5041800 Lower power oscillator with heated resonator (S), with dual mode or other temperature sensing, possibly with an insulative support structure disposed between the resonator (S) and a resonator Aug. 20, 1991
5025228 Ultrastable oscillator functioning at atmospheric pressure and under vacuum Jun. 18, 1991
4985687 Low power temperature-controlled frequency-stabilized oscillator Jan. 15, 1991

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