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Class Information
Number: 331/117R
Name: Oscillators > Solid state active element oscillator > Transistors > L-c type
Description:
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4287489 |
Amplitude limited varactor tuned L-C oscillator |
Sep. 1, 1981 |
| 4270102 |
Integrated circuit FM local oscillator with AFC control and temperature compensation |
May. 26, 1981 |
| 4267522 |
L.C. oscillator proximity detector |
May. 12, 1981 |
| 4264875 |
System for optical injection phase locking and switching of microwave oscillators |
Apr. 28, 1981 |
| 4257088 |
High-efficiency single-ended inverter circuit |
Mar. 17, 1981 |
| 4253180 |
Voltage controlled oscillator for a transmission line communications system receiver |
Feb. 24, 1981 |
| 4245178 |
High-frequency electrodeless discharge device energized by compact RF oscillator operating in class E mode |
Jan. 13, 1981 |
| 4243954 |
Low level LC oscillator |
Jan. 6, 1981 |
| 4243953 |
Voltage controlled oscillator presenting high impedance to parallel resonant tank circuit |
Jan. 6, 1981 |
| 4240051 |
High frequency power combiner or power divider |
Dec. 16, 1980 |
| 4230999 |
Oscillator incorporating negative impedance network having current mirror amplifier |
Oct. 28, 1980 |
| 4208741 |
AFC System for a synthesizer tuning system |
Jun. 17, 1980 |
| 4204160 |
Metal detector circuit with automatic optimum sensitivity adjustment |
May. 20, 1980 |
| 4189682 |
Microwave FET power circuit |
Feb. 19, 1980 |
| 4189685 |
Self-protecting transistor oscillator for treating animal tissues |
Feb. 19, 1980 |
| 4169248 |
Oscillating circuit |
Sep. 25, 1979 |
| 4158181 |
Dual clock logic system for charge-coupled device driver circuit |
Jun. 12, 1979 |
| 4156210 |
Resonant transformer push-pull transistor oscillator |
May. 22, 1979 |
| 4152671 |
Oscillator-modulator apparatus and method therefor |
May. 1, 1979 |
| 4146850 |
Tunable UHF oscillator with harmonic limitation |
Mar. 27, 1979 |
| 4138709 |
Proximity switch |
Feb. 6, 1979 |
| 4136315 |
Low and high frequency oscillators having common voltage regulator circuit |
Jan. 23, 1979 |
| 4135168 |
Reverse channel GaAsFET oscillator |
Jan. 16, 1979 |
| 4125784 |
Fail-safe or gate |
Nov. 14, 1978 |
| 4123725 |
Phase locked loop system |
Oct. 31, 1978 |
| 4112393 |
Automatically stabilized oscillator |
Sep. 5, 1978 |
| 4091339 |
Oscillator |
May. 23, 1978 |
| 4075580 |
Microwave transistor oscillator for wide band frequency tuning |
Feb. 21, 1978 |
| 4074209 |
Wide range frequency modulation of narrow loop bandwidth phase-locked oscillators |
Feb. 14, 1978 |
| 4072910 |
Voltage controlled oscillator having equally controlled current source and current sink |
Feb. 7, 1978 |
| 4071832 |
Current controlled oscillator |
Jan. 31, 1978 |
| 4068189 |
Linear oscillator for proximity sensor |
Jan. 10, 1978 |
| 4066983 |
Voltage controlled Clapp oscillator having output isolated from tuned circuit |
Jan. 3, 1978 |
| 4065727 |
Variable frequency oscillator having programmable digital frequency display |
Dec. 27, 1977 |
| 4063196 |
Plural oscillator phase continuous frequency encoder |
Dec. 13, 1977 |
| 4063193 |
Differential transistor pair integrated circuit oscillator with L-C tank circuit |
Dec. 13, 1977 |
| 4063197 |
Plural transistor oscillator phase continuous frequency encoder circuit |
Dec. 13, 1977 |
| 4060772 |
Oscillator |
Nov. 29, 1977 |
| 4055817 |
Variable frequency oscillator |
Oct. 25, 1977 |
| 4053849 |
Oscillation means for generating a differential AC signal proportional to movement of a conducting member |
Oct. 11, 1977 |
| 4052682 |
Multiple oscillator modulator circuit |
Oct. 4, 1977 |
| 4047127 |
RF oscillator and modulator having regulated low harmonic output |
Sep. 6, 1977 |
| 4047156 |
Reactively decoupled dual channel keying circuit for wide-band frequency modulated keyable control circuit |
Sep. 6, 1977 |
| 4045778 |
Dual channel wide-band frequency modulated keyable control circuit and keying circuit therefor |
Aug. 30, 1977 |
| 4042870 |
Transistor oscillator power converter |
Aug. 16, 1977 |
| 4038608 |
Redundant oscillator for clocking signal source |
Jul. 26, 1977 |
| 4027276 |
Transmitter for a coded electronic security system |
May. 31, 1977 |
| 4021756 |
Electric remote control transmitter |
May. 3, 1977 |
| 4012701 |
Hartley oscillator |
Mar. 15, 1977 |
| 4010428 |
Transistor oscillator utilizing clapp circuit configuration for operation in the microwave band |
Mar. 1, 1977 |
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