History of telecommunications -Parker page 753

Retourne Parker

History telegraph

History telephone

History radio

History TV

History components

Scientists index




			Louis W. Parker

			Budapest, (Ungheria) 01.01.1906-21.06.1993


			Bibliography



	1936		21 10 1936 US2144380 (A) INTERCOMMUNICATING SYSTEM AND METHOD



	1937		26 04 1937 US2189269 (A) Intercommunicating system and apparatus therefor

			26 04 1937 US2121883 (A) INTERCOMMUNICATING SYSTEM AND AP

			07 10 1937 US2155362 (A) DIRECT CURRENT VOLTAGE BOOSTER



	1938		21 02 1938 US2155363 (A) DIRECT CURRENT VOLTAGE MULTI PLICATION

			18 06 1938 US2236578 (A) TELEVISION APPARATUS



	1939		20 05 1939 US2249167 (A) TELEVISION FILM PROJECTOR



	1940		25 01 1940 US2298506 (A) METHOD FOR EXPLORING LIVING TISSUE U.S.Patent 1942 2298506



	1944		13 07 1944 US2448908 (A) - Television receiver

			10 08 1944 US2479589 ROTOR FOR AXIAL AIR GAP MOTORS



	1945		08 12 1945 US2477644 (A) Electron discharge device and its circuits



	1946		20 02 1946 US2521741 DEFLECTION CIRCUIT

			20 03 1946 US2562941 (A) Sweep generator

			24 04 1946 US2477645 (A) COLOR TELEVISION

			27 07 1946 US2499443 (A) Wide range amplifier

			10 08 1946 US2513354 (A) Drift compensated direct-current amplifier

			11 09 1946 US2589285 (A) Communication system

			19 12 1946 US2457175 (A) PROJECTION CATHODE-RAY TUBE



	1947		17 12 1947 US2679550 (A) TELEVISION RECEIVER WITH REGULATED HIGH-VOLTAGE POWER SUPPLY

			08 03 1847 US2489313 (A) Frequency modulation discriminator

			02 07 1947 US2498705 (A) Electronic color television

			02 07 1947 US2583012 (A) Class ab operation of horizontal sweep amplifier

			17 09 1947 US2524828 (A) COLOR TELEVISION RECEIVER

			10 11 1947 US2485652 (A) REGULATED RADIO FREQUENCY POWER SUPPLY

			01 12 1947 US2543053 (A) Radiant energy high-temperature heating apparatus

			01 12 1947 US2539465 (A) TELEVISION PULSE AND SOUND SEPARATOR

			05 12 1947 US2563740 FILAMENT POWER SUPPLY SYSTEM FOR RADIO RECEIVERS



	1948		06 02 1948 U.S. Patent 2660684 ELECTRONIC COLOR TELEVISION

			25 02 1948 US2628275 (A) Radio and television distribution system for hotels and apartment houses

			22 03 1948 US2559316 SWEEP CIRCUIT FOR TELEVISION RECEIVERS

			10 04 1948 US2604585 (A) FREQUENCY STABILIZED TRANSMITTER

			05 06 1948 US2657331 (A) Electronic color television

			05 06 1948 US2643352 (A) COLOR KINESCOPE



	1949		10 05 1949 IE18373 (L) VOLTAGE REGULATION



	1950		04 04 1950 US2773119 (A) Tuning system for radio and television receivers

			20 07 1950 US2696521 AMPLITUDE MODULATION INTERCARRIER TELEVISION



	1951		22 06 1951 US2677724 (A) INTERCARRIER SOUND SYSTEM



	1952		07 04 1952 US2831105 TELEVISION DISTRIBUTION SYSTEM

			20 04 1952 TELEVISION RECEIVER U.S. 2885469 Patent Louis W. Parker

			14 05 1952 U.S. Patent 2773239 ELECTRICAL INDICATING INSTRUMENTS

			24 06 1952 CA484340 (A) WIDE RANGE AMPLIFIER

			30 08 1952 US2849529 (A) Tuning system for television receivers

			03 10 1952 US2826633 (A) Intercarrier television receivers

			20 11 1952 US2885469 (A) Television receivers



	1953		11 03 1953 US2937232 (A) Intercarrier television receiver

			06 04 1953 US2912490 TUNING INDICATOR AND MUTER FOR TELEVISION RECEIVERS

			06 05 1953 US2755364 (A) Tap switch

			26 05 1953 CA493211 (A) COMMUNICATION SYSTEM

			03 08 1953 US2865986 (A) High power frequency discriminator

			18 09 1953 US2743375 (A) Turbo-generator

			06 11 1953 US2912490 (A) Tuning indicator and muter for television receivers



			30 11 1954 CA507789 (A) TELEVISION PULSE AND SOUND SEPARATOR



	1956		21 02 1956 US2898506 (A) High voltage generator for cathode ray tubes

			30 03 1956 US2943145 (A) Television tuning indicator

			19 10 1956 GB806039 (A) Improvements in electrical moving coil instruments

			27 11 1956 US3041450 (A) Broadcasting systems employing a radiated unmodulated carrier wave as a heterodyningsignal

			28 11 1956 US2943256 (A) Regulated high voltage power supply

			07 12 1956 DE1140643 (B) Drehspulinstrument mit Scheibenanker aus Aluminium



	1957		18 01 1957 US2821581 (A) Multiple contact electric switch

			17 04 1957 US2945180 SHUNTS FOR PRINTED CIRCUIT METERS

			22 10 1957 US2974234 ROTORS FOR ELECTRICAL INDICATING INSTRUMENTS



	1958		13 01 1958 US3048841 (A) Remote position indicator and aircraft guidance system

			10 02 1958 US2943174 (A) Radiant energy heating apparatus

			11 03 1958 CA554072 (A) ELECTRICAL INDICATING INSTRUMENT

			03 07 1958 DE1259460 (B) Drehspulinstrument mit Scheibenanker

			18 09 1958 US2974313 (A) Multiple reading instruments and systems for remote indication

			01 12 1958 DE1172771 (B) Gedruckter Nebenschlusswiderstand fuer Dreh-spulinstrumente mit gedruckter Messwerkspule

			12 12 1958 GB904691 (A) Improvements in electrical moving coil instruments



	1959		09 02 1959 US3041539 (A) Multiband television receivers

			29 09 1959 CA583921 (A) AXIAL AIRGAP MOTORS AND GENERATORS

			19 11 1959 US3056923 (A) Indicating instruments and magnetic structures therefor



	1960		08 02 1960 US3196348 WIDE BAND AC MEASURING INSTRUMENT EMPLOYING A WOBBLED HETERODYNING CIRCUIT TO CONVERT HIGH INPUT ...

			02 08 1960 CA602551 (A) HIGH POWER FREQUENCY DISCRIMINATOR FOR FREQUENCY MODULATION RECEIVERS

			02 08 1960 US3196348 (A) Wide band a.c. measuring instrument employing a wobbled heterodyning circuit to convert high input frequencies to measurable lower frequencies

			30 08 1960 US3112444 (A) Temperature and field density compensators for electrical indicating instruments

			12 09 1960 DE1162473 (B) Zeiger fuer ein Drehspulinstrument mit Scheibenanker aus Aluminium

			22 09 1960 USD194626S ELECTRICAL INDICATING INSTRUMENT



	1961		07 03 1961 CA615669 (A) TUNING INDICATOR AND MUTER FOR TELEVISION RECEIVERS

			28 03 1961 CA617020 (A) TUNING SYSTEM FOR TELEVISION RECEIVERS

			09 05 1961 CA619638 (A) INTERCARRIER TELEVISION RECEIVER

			11 07 1961 CA623435 (A) TELEVISION TUNING INDICATOR

			23 08 1961 US3103663 THREE-DIMENSIONAL DIRECTION FINDER FOR AIRCRAFT GUIDANCE



	1962		29 09 1962 DE1441066 (A1) Rundfunkuebertragungssystem

			21 12 1962 DE1441070 (A1) Hochfrequenzempfaenger,insbesondere Fernsehempfaenger



	1963		25 01 1963 US3229208 (A) Sensitivity adjustment shunts for compensating for production variations in electrical indicating instruments

			06 08 1963 CA667939 (A) INDICATING INSTRUMENTS AND MAGNETIC STRUCTURES THEREFOR



	1964		23 01 1964 US3277323 AXIAL AIRGAP MACHINES AND IMPROVED COOLING SYSTEM THEREFOR

			28 01 1964 CA678682 (A) ULTRA HIGH FREQUENCY COMMUNICATION SYSTEM USEFUL FOR TELEVISION



	1965		29 03 1965 US3418506 AXIAL AIRGAP MOTORS AND GENERATORS AXIAL AIRGAP MOTORS AND GENERATORS

			15 09 1965 US3296475 (A) Dynamo-electric machines, and rotors therefor



	1966		13 01 1966 US3413503 AXIAL AIRGAP MOTORS



	1968		19 01 1968 US3484636 (A) STATOR AS'SEMBLIES FOR AXIAL AIRGAF MACHINES

			24 07 1968 US3538245 (A) INTERCARRIER TELEVISION SYSTEMS WITH CANCELLATON OF AMPLITUDE MODULATION



	1969		24 10 1969 US3567978 (A) AXIAL AIRGAP MOTORS WITH REDUCED IRON LOSSES

			12 12 1969 US3613227 METHOD OF MAKING STATOR ASSEMBLIES FOR AXIAL AIRGAP MACHINES



	1970		27 01 1970 US3585812 (A) VEHICLE AIR CONDITIONING SYSTEM

			05 10 1970 US3621125 (A) MUTER FOR TELEVISION RECEIVERS

			24 11 1970 CA856982 (A) MUTER FOR TELEVISION RECEIVERS



	1971		25 03 1971 US3686430 MUTER FOR SOLID STATE TELEVISION RECEIVERS

			06 03 1974 US3895273 (A) Direct current energized synchronous motor system

			29 04 1974 US3916093 (A) SIGNAL IDENTIFIER FOR A SIGNAL-SEEKING TUNING SYSTEM



	1973		06 03 1973 CA922411 (A) MUTER FOR TELEVISION RECEIVERS

			10 01 1974 CA1002110 (A) DIRECT CURRENT ENERGIZED SYNCHRONOUS MOTOR SYSTEM



	1975		23 04 1975 US3919998 (A) CONVECTION-TYPE SOLAR HEATING UNIT

			12 05 1975 US4019104 VARIABLE SPEED INDUCTION MOTOR



	1976		22 07 1976 US4095148 (A) Direct current motors

			23 08 1976 US4047226 (A) Television signal-seeking automatic tuning system

			22 11 1976 US4076025 SOLAR STEAM BOILER



	1978		17 05 1978 US4176307 (A) Energy economizing AC power control system

			21 06 1978 US3716793 AMPLITUDE MODULATION DETECTOR FOR RADIO RECEIVERS

			21 06 1978 US4190793 (A) Energy economizer for induction motors



	1979		12 04 1979 DE2824474 (A1) Induction motor stator voltage controller - matches applied voltage to torque demand on rotor using discriminator to check frequency of coupled HF generator

			04 05 1979 US4242625 (A) Energy economizer for polyphase induction motors

			29 05 1979 US4382223 (A) Voltage and frequency-controlled AC wave modifier



	1980		12 12 1980 United States Patent 4307706 FLAT PLATE SOLAR BOILERS

			15 05 1980 US4341984A Electronic commutation for direct current electric motors Louis W. Parker

			12 09 1980 CA1150344 (A) ENERGY ECONOMIZER FOR POLYPHASE INDUCTION MOTORS

			14 11 1980 DE3042927 (A1) Energy economiser for polyphase induction motors - has two triacs conducting differently at very light loads for smooth operation and max. energy saving

			22 12 1980 FR2497025 (A1) Energy economiser for polyphase induction motors - has two triacs conducting differently at very light loads for smooth operation and max. energy saving



	1981		14 10 1981 US4414499 (A) Motor protecting improved energy economizer for induction motors



	1982		09 03 1982 CA1175475 (A) ELECTRONIC COMMUTATION FOR DIRECT CURRENT ELECTRIC MOTORS

			23 03 1982 GB2162389 (A) Electronic commutation for direct current electric motors

			23 03 1982 GB2117580 (A) Electronic commutation for direct current electric motors



	1983		28 09 1983 ZA8300239 (B) MOTOR PROTECTING IMPROVED ENERGY ECONOMIZER FOR INDUCTION MOTORS

			28 09 1983 ZA8300241 (B) ENERGY ECONOMIZER FOR INDUCTION MOTORS

			30 10 1985 ZA8501695 (B) ENERGY ECONOMIZER CONTROLLED-CURRENT START AND PROTECTION FOR INDUCTION MOTORS

			01 04 1986 PT82218 (A) Motor current demodulating-type power-saving controller - has manual selector setting max. value of motor starting torque and responds to motor speed to switch from start to run mode

			16 05 1986 HK33086 (A) ENERGY ECONOMIZER FOR POLYPHASE INDUCTION MOTORS

			07 01 1987 CN85105328 (A) ENERGY ECONOMIZER CONTROLLED-CURRENT START AND PROTECTION FOR INDUCTION MOTORS



	1989		03 02 1989 United States Patent Number: 4864212 ENERGY ECONOMIZING AC POWER SYSTEM

			14 07 1989 US4910450 (A) Low cost three phase energy economizer



	1990		17 01 1990 CA2021507 (A1) SAFETY DESIGN FOR NUCLEAR POWER PLANTS

Louis W. Parker