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Class Information
Number: 330/207R
Name: Amplifiers > Miscellaneous

Sub-classes under this class:

Class Number Class Name Patents
330/207P Amplifier protection means 354
330/207A Class d 587

Patents under this class:

Patent Number Title Of Patent Date Issued
7810057 Characterizing linearity of amplifiers Oct. 5, 2010
7545208 Signal amplification through an electromagnetic device Jun. 9, 2009
6946910 Configurable feedback path in an amplitude control system Sep. 20, 2005
5541482 Electrodeless discharge lamp including impedance matching and filter network Jul. 30, 1996
5535247 Frequency modifier for a transmitter Jul. 9, 1996
5402084 Coupling circuit Mar. 28, 1995
5107389 Circuit for limiting temperature without distortion in audio power amplifiers Apr. 21, 1992
5030921 Cascaded cold cathode field emission devices Jul. 9, 1991
4720701 System with enhanced signal detection and discrimination with saturable magnetic marker Jan. 19, 1988
4481477 Method and apparatus for the real-time measurement of the small signal gain of an amplifier Nov. 6, 1984
4433306 Audio-frequency power amplifier Feb. 21, 1984
4398159 Switch mode - class B power amplifier Aug. 9, 1983
4392245 Radio transmitter having an output power control circuit Jul. 5, 1983
4149124 Thermal protection of amplifiers Apr. 10, 1979
4079335 Adaptive level control for electro-acousto device Mar. 14, 1978
3986048 Non-linear amplifier Oct. 12, 1976

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