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using ultrasonic, sonic or infrasonic waves
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CPC
H03J9/04
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Parent Industries
H
ELECTRICITY
H03
Electronic circuits
H03J
TUNING RESONANT CIRCUITS SELECTING RESONANT CIRCUITS
H03J9/00
Remote-control of tuned circuits Combined remote-control of tuning and other functions
Current Industry
H03J9/04
using ultrasonic, sonic or infrasonic waves
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Patents Grants
last 30 patents
Information
Patent Grant
Control assembly for remote switching
Patent number
4,380,778
Issue date
Apr 19, 1983
Manohar A. Singh
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Remote control apparatus
Patent number
4,322,855
Issue date
Mar 30, 1982
Sony Corporation
Takao Mogi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Remote control for radiotelephones
Patent number
4,291,411
Issue date
Sep 22, 1981
Robert Bosch GmbH
Horst Muller
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Remote control system capable of transmitting the information with...
Patent number
4,231,031
Issue date
Oct 28, 1980
U.S. Philips Corporation
Gerald O. Crowther
G08 - SIGNALLING
Information
Patent Grant
Circuit for use in remote control of a signal receiver
Patent number
4,227,259
Issue date
Oct 7, 1980
Sony Corporation
Takao Mogi
G08 - SIGNALLING
Information
Patent Grant
Input circuits
Patent number
4,223,299
Issue date
Sep 16, 1980
The English Electric Company Limited
David L. Broster
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Remote control apparatus
Patent number
4,214,229
Issue date
Jul 22, 1980
William J. Warner
G08 - SIGNALLING
Information
Patent Grant
Remote control transmitter
Patent number
4,208,654
Issue date
Jun 17, 1980
Preh, Electrofeinmechanische Werke, Jakob Preh Nachf GmbH & Co.
Alfred Vogt
G08 - SIGNALLING
Information
Patent Grant
Remote control receiver
Patent number
4,198,620
Issue date
Apr 15, 1980
Preh, Elektrofeinmechanische Werke, Jakob Preh Nachf GmbH & Co.
Alfred Vogt
G08 - SIGNALLING
Information
Patent Grant
Remote control system
Patent number
4,186,345
Issue date
Jan 29, 1980
Sony Corporation
Kouji Marita
G08 - SIGNALLING
Information
Patent Grant
Digital remote control system with improved noise immunity
Patent number
4,177,453
Issue date
Dec 4, 1979
Zenith Radio Corporation
Johnny Collins
G08 - SIGNALLING
Information
Patent Grant
Digital remote control system
Patent number
4,129,886
Issue date
Dec 12, 1978
Electrohome Limited
Martin K. S. Shih
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Viewer adaptable remote control apparatus for TV receiver
Patent number
4,127,876
Issue date
Nov 28, 1978
Admiral Corporation
Jack Schwartz
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Remote control system
Patent number
4,121,198
Issue date
Oct 17, 1978
Matsushita Electric Industrial Co., Ltd.
Yoshikazu Tsuboi
G08 - SIGNALLING
Information
Patent Grant
Ultrasonic television remote control system
Patent number
4,114,099
Issue date
Sep 12, 1978
Harry Hollander
G08 - SIGNALLING
Information
Patent Grant
Receiver circuit including an hysteresis circuit for use with a rem...
Patent number
4,104,593
Issue date
Aug 1, 1978
Sanyo Electric Co., Ltd.
Toshio Orii
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Self-cut-off power switch for a remote controlled electronic equipment
Patent number
4,101,878
Issue date
Jul 18, 1978
Hitachi, Ltd.
Keizo Shimizu
G08 - SIGNALLING
Information
Patent Grant
Remote switching apparatus
Patent number
4,078,236
Issue date
Mar 7, 1978
Quality Technology Ltd.
Leo Bruce Hempell
G08 - SIGNALLING
Information
Patent Grant
Remote control transmitter with an audible battery life indicator
Patent number
4,067,000
Issue date
Jan 3, 1978
RCA Corporation
David John Carlson
G01 - MEASURING TESTING
Information
Patent Grant
Ultrasonic remote control receiver suitable for TV receiver
Patent number
4,056,808
Issue date
Nov 1, 1977
Texas Instruments Incorporated
Jean Pierre Benhamou
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Continuous DC control circuit
Patent number
4,045,775
Issue date
Aug 30, 1977
GTE Sylvania Incorporated
Daniel S. Pearce
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Circuit arrangement for evaluating received oscillations of a prede...
Patent number
4,034,300
Issue date
Jul 5, 1977
Licentia Patent-Verwaltungs-GmbH
Wulf-Christian Streckenbach
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Signal transmitter using an active thick film substrate
Patent number
4,032,891
Issue date
Jun 28, 1977
Zenith Radio Corporation
Robert R. Podowski
B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information
Patent Grant
Controlled power supply for a television receiver equipped with rem...
Patent number
4,024,577
Issue date
May 17, 1977
Blaupunkt-Werke GmbH
Otto Diethelm
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Counter type remote control receiver producing binary outputs corre...
Patent number
4,023,105
Issue date
May 10, 1977
RCA Corporation
Kenneth Rau Woolling
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Remote control with reduced responsiveness to interrupted actuating...
Patent number
4,021,741
Issue date
May 3, 1977
Zenith Radio Corporation
Johnny Collins
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Multi-function remote control IC
Patent number
4,010,423
Issue date
Mar 1, 1977
Zenith Radio Corporation
Johnny Collins
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Signal transmitter using an active thick film substrate
Patent number
4,010,447
Issue date
Mar 1, 1977
Zenith Radio Corporation
Robert R. Podowski
G08 - SIGNALLING
Information
Patent Grant
Digital remote control system with signal verification
Patent number
4,006,462
Issue date
Feb 1, 1977
Zenith Radio Corporation
Robert R. Podowski
G08 - SIGNALLING
Information
Patent Grant
Circuit arrangement for determining the time duration of received o...
Patent number
4,002,984
Issue date
Jan 11, 1977
Licentia Patent-Verwaltungs-GmbH
Wiilf-Christian Streckenbach
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents