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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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