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| Number | Title | Issue Date |
| 4196394 | Antenna/like impedance matcher A matching coupler in an antenna system to power transfer in matching characteristic impedance of an antenna and a transmission line using a ganged variable capacitance with a resonate coil and another variable capacitance in series with a transmission li... | 04/01/1980 |
| 4159667 | Torque limiting RF connector A connecting nut having a base ring supporting a torque ring in a groove in the body of the base ring and a hex ring held about the torque ring by an annular flange in another groove of the base ring to permit rotation of the hex ring relative to the base... | 07/03/1979 |
| 4105476 | Method of manufacturing semiconductors Method of fabricating a high voltage (VCED = 800 volts) PNP Power Transistor by a triple diffusion technique.... | 08/08/1978 |
| 4096852 | Skin conditioning indicator A circuit for an indicator having a constant current temperature measuring circuit that can be balanced so as to provide a norm on an indicator so that any excursion thereof therefrom would provide indication of the need for emollients or astringents in p... | 06/27/1978 |
| 4064474 | Impedance ratio varying device A compact arrangement having concentric loading element and coupling element with the latter forming a bearing support for a revolvable member mounting the former.... | 12/20/1977 |
| 4048541 | Crystal controlled oscillator circuit for illuminating electrodeless fluorescent lamp A power supply circuit having a crystal controlled solid state oscillator induction coupled to a dual transistor circuit so as to eliminate second harmonics in a coil connected thereto and to a power supply in completing the circuit, and coil further havi... | 09/13/1977 |
| 4047513 | Ignition system with gas discharge tube circuit A circuit for use in an ignition system for an internal combustion engine which includes an electronic switch for control of the charging and discharging of an ignition coil with a capacitive controlled gas discharge tube circuit to provide protection for... | 09/13/1977 |
| 4046052 | Torque limiting RF connector A torque limiting RF connector having a base ring for supporting RF connector means about which is operatively related to a torque ring joining a hex ring thereto such that torque is transmitted from the hex ring through the torque ring to the base ring i... | 09/06/1977 |
| 4034741 | Noise generator and transmitter An analgesic noise generator employs a circuit that can be switched to provide a variable waveform from an active noise source out of an integrated circuit amplifier.... | 07/12/1977 |
| 4032795 | Input buffer A circuit of complementary field effect devices whose logical input threshold voltage can be varied between levels suitable for TTL logic or CMOS or PMOS or other logic under control of an electrical signal in real time.... | 06/28/1977 |
| 3993043 | Portable sleep inducer An analgesic noise generator employs a transistor operated to provide a zener action that is broadcast as the active noise source in an integrated circuit amplifier packaged as a portable unit with means to control tone and volume and enhance life of the ... | 11/23/1976 |
| 3967187 | Current limiting of noise diodes A current limiting circuit for a diode noise source improving noise output stability with changes in ambient operating temperature and variations in supply voltage.... | 06/29/1976 |
| 3967186 | Solid state voltage regulator A solid state voltage regulator for an alternator charging system having a zener diode controlled transistor operatively connected to a integrated Darlington chip.... | 06/29/1976 |
