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Class Information
Number: 331/59
Name: Oscillators > Convertible (e.g., oscillator to amplifier, etc.)
Description: Subject matter wherein means are provided for effecting a change in oscillator circuit connections or for adding or substituting circuit element thereto so that the system resulting from such change or substitution is substantially different from the original oscillator circuit.










Patents under this class:

Patent Number Title Of Patent Date Issued
8710932 Signal processing device and method for providing oscillating signal in the signal processing device Apr. 29, 2014
8466752 System and method for supporting different types of oscillator circuits Jun. 18, 2013
8447259 Mode-switching low-noise amplifier and wide-band RF receiver May. 21, 2013
8392743 Master clock generation unit for satellite navigation systems Mar. 5, 2013
8217726 Oscillator and input-output device and method of controlling the same Jul. 10, 2012
7724104 Constant gain amplifier system with positive and negative feedback May. 25, 2010
7626449 Apparatus and method for tuning center frequency of a filter Dec. 1, 2009
7512383 Transmit-receive switching in wireless hearing aids Mar. 31, 2009
7474160 Systems and methods for calibrating a filter Jan. 6, 2009
7403063 Apparatus and method for tuning center frequency of a filter Jul. 22, 2008
7164388 Low cost adjustable RF resonator devices manufactured from conductive loaded resin-based materials Jan. 16, 2007
6782485 Microcomputer operable with external and internal clock signals Aug. 24, 2004
6462626 Quadrature output oscillator device Oct. 8, 2002
5982243 Oscillator selectively operable with a parallel tuned or a series tuned resonant circuit Nov. 9, 1999
5900787 Dual-mode, crystal resonator/external clock, oscillator circuit May. 4, 1999
5675294 Single pin crystal oscillator circuit Oct. 7, 1997
5416445 Low power-consumption clock pulse generator with two clock sources selectively available May. 16, 1995
5369377 Circuit for automatically detecting off-chip, crystal or on-chip, RC oscillator option Nov. 29, 1994
5311150 Convertible oscillator circuit May. 10, 1994
5151613 Large scale integrated circuit device for switching oscillation circuit Sep. 29, 1992
5093633 Externally trimmed integrated-circuit RC oscillator Mar. 3, 1992
5088107 Linear channel bandwidth calibration circuit Feb. 11, 1992
4864639 Self-test device and method having an amplifier converted into an oscillator Sep. 5, 1989
4613829 Switchable oscillator circuit Sep. 23, 1986
4370625 Integrated circuit having elements for selectively forming an RC or a crystal oscillator Jan. 25, 1983
4190808 Amplifier-oscillator frequency multiplier apparatus Feb. 26, 1980
4064462 Acoustic feedback peak elimination unit Dec. 20, 1977
4056787 Self-oscillating mixer circuit Nov. 1, 1977
4044317 Crystal controlled square wave oscillator Aug. 23, 1977
4001732 Calibration oscillators for noise reduction systems Jan. 4, 1977











 
 
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