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Patent Number Title Of Patent Date Issued
4179668 HF-amplifier circuit Dec. 18, 1979
4179667 Circuit arrangement for adjusting the volume of an automobile radio receiver in dependence on ro... Dec. 18, 1979
4179666 Method and circuit for controlling the output signal of a variable control circuit Dec. 18, 1979
4179665 Switched capacitor elliptic filter Dec. 18, 1979
4179664 Constant fraction signal shaping apparatus Dec. 18, 1979
4179663 Devices for generating pseudo-random sequences Dec. 18, 1979
4179662 Multiband scanning radio receiver using frequency synthesizer Dec. 18, 1979
4179661 Circuit for programming the search circuit of a radio receiver Dec. 18, 1979
4179660 Method and device for transmitting pulse-duration modulated signals using two oscillators Dec. 18, 1979
4179659 Signal transmission system Dec. 18, 1979
4179658 Secret-signalling system utilizing noise communication Dec. 18, 1979
4179657 Anti-jamming communication system Dec. 18, 1979
4179656 Determination of average speed of rotation of a cyclically loaded shaft during periods of up to ... Dec. 18, 1979
4179655 Moving coil instrument with linear characteristic Dec. 18, 1979
4179654 Demand meter including means for selectively controlling the length of demand intervals Dec. 18, 1979
4179653 Corrosion monitoring probe Dec. 18, 1979
4179652 Analyzing electrical circuit boards Dec. 18, 1979
4179651 Method and apparatus for supervising an electrical line for short circuits Dec. 18, 1979
4179650 Variable impedance circuits Dec. 18, 1979
4179649 Voltage supply apparatus powered from a vehicular electrical system Dec. 18, 1979
4179648 Method and apparatus for rapid battery charging Dec. 18, 1979
4179647 Dual output battery charging system Dec. 18, 1979
4179646 Control circuit for circuit breaker DC motor operator Dec. 18, 1979
4179645 Circuit for driving and braking a speed-controlled direct current motor Dec. 18, 1979
4179644 Power tool switch including speed control Dec. 18, 1979
4179643 Circuit for varying an operating voltage of a deflection amplifier of a magnetodynamic deflectio... Dec. 18, 1979
4179642 Raster correction circuit with low dissipation resistive damping Dec. 18, 1979
4179641 Circuits for operating discharge lamps Dec. 18, 1979
4179640 Hid sodium lamp which incorporates a high pressure of xenon and a trigger starting electrode Dec. 18, 1979
4179639 Anode assembly for electron discharge devices Dec. 18, 1979
4179638 Cathode ray tube panel Dec. 18, 1979
4179637 Incandescent light bulb with multiple filaments providing multiple lives Dec. 18, 1979
4179636 Electric incandescent lamp Dec. 18, 1979
4179635 Device for bracing a stator winding disposed in the air gap of a synchronous generator Dec. 18, 1979
4179634 Magneto rotor construction Dec. 18, 1979
4179633 Magnetic wheel drive Dec. 18, 1979
4179632 Spindle locking mechanism for a rotary power device Dec. 18, 1979
4179631 Electromagnetic motor Dec. 18, 1979
4179630 Linear compressor Dec. 18, 1979
4179629 Failsafe logic function apparatus Dec. 18, 1979
4179628 Flip-flop having reset preferential function Dec. 18, 1979
4179627 Electrical apparatus Dec. 18, 1979
4179626 Sense circuit for use in variable threshold transistor memory arrays Dec. 18, 1979
4179625 Noise pulse presence detection circuit Dec. 18, 1979
4179624 Carrier control method by using phase-pulse signals Dec. 18, 1979
4179623 Pulsed level sensor Dec. 18, 1979
4179622 Method and system for in situ control of material removal processes Dec. 18, 1979
4179621 Scanning apparatus Dec. 18, 1979
4179620 Crossover arrangement for multiple scanning arrays Dec. 18, 1979
4179619 Optocoupler having internal reflection and improved isolation capabilities Dec. 18, 1979










 
 
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