Patents
Sitemap › H04 - Electric communication technique › H04Q - Selecting › H04Q 9 - Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
Patents for H04Q 9 - Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom (14,096)
07/1980
07/08/1980US4211998 Method of and remote control apparatus for remotely controlling a medical appliance
07/08/1980CA1081324A1 Pulse controlled potentiometer
06/1980
06/24/1980US4209666 Multiplexing system line fault isolation and identification
06/24/1980CA1080320A1 Variable modulus selective calling circuit
06/17/1980US4208653 Data collection apparatus
06/17/1980US4208650 Data transmission system
06/17/1980CA1079829A1 Multipoint polling technique
05/1980
05/28/1980EP0011313A1 Road vehicle electrical systems
05/28/1980EP0011312A1 Road vehicle electrical systems
05/27/1980US4205269 Remote control variable attenuation device for an antenna amplifier
05/20/1980US4204195 Meter terminal unit for use in automatic remote meter reading and control system
05/20/1980US4204194 Meter terminal unit for use in automatic remote meter reading and control system
04/1980
04/22/1980US4199661 Method and apparatus for eliminating conflicts on a communication channel
04/15/1980CA1075802A1 Digital valve and pump control system
04/15/1980CA1075791A1 Two-wire, multiple-transducer communications system
04/15/1980CA1075772A1 Remote control radio system
04/08/1980US4197498 Remote control system in a radio transceiver
04/08/1980CA1075057A1 Remote control light transmitting lens system
04/01/1980US4196417 Single transmission line interrogated multiple channel data acquisition system
04/01/1980US4196406 Ultrasonic control device
04/01/1980CA1074934A1 Dual tone selector with answerback signalling
03/1980
03/18/1980US4194152 Radio communication system
03/11/1980US4193049 Ultrasonic touch control panel
03/05/1980WO1981000655A1 Wire data transmission system
03/05/1980EP0008416A1 Arrangement for transmitting digital data signals
02/1980
02/26/1980US4190863 Remote control system for a television camera
02/26/1980US4190800 Electrical load management system
02/26/1980CA1072381A1 Remote control light receiving lens system
02/21/1980WO1980000290A1 Remote supervisory system
02/20/1980EP0008285A1 Control system using time division multiplexing.
02/07/1980WO1980000210A1 Identification process for remote control operating systems in time sharing communication
01/1980
01/29/1980US4186345 Remote control system
01/29/1980CA1070767A1 Synchronous power communicating
01/22/1980US4185272 Distribution control system
01/15/1980US4184118 Base station feedback reporting system
12/1979
12/25/1979US4180804 Remote control device for an amplifier trap circuit
12/25/1979US4180803 Remote control system with pulse addressing, and safety warning indication
12/11/1979US4178608 Contrast/color control for a television receiver
11/1979
11/27/1979US4176250 Time division multiplexing system for an automobile
11/20/1979US4175238 Switching arrangement for remote-controlled electrical loads
11/06/1979US4173754 Distributed control system
10/1979
10/16/1979US4171468 Method and apparatus for remote control
10/02/1979CA1063676A1 Transponder system
09/1979
09/25/1979CA1063270A1 Remote data line monitor
09/11/1979CA1062350A1 Universal data recording system
09/11/1979CA1062349A1 Remote automatic reading system
09/11/1979CA1062338A1 Remote control radio system
08/1979
08/14/1979US4164663 Sequential control signal generator
07/1979
07/31/1979US4163217 Remote load control system
07/24/1979US4162484 Data collection system
07/24/1979US4162483 Bilateral master station-plural satellite station signalling apparatus
07/24/1979US4161918 Rollover and wipe projective circuit for an electrical switching array
07/17/1979US4161720 Meter terminal unit for use in automatic remote meter reading and control system
07/17/1979US4161718 Supervisory control system
07/17/1979US4161634 Count-down addressing system
07/03/1979US4160239 Transponder system including an oscillator/ripple counter controlling a fixed Gray code logic network in circuit with a decoder/driver network for generating "red alert" end condition digital signals in a storage tank gauging system
06/1979
06/28/1979WO1979000351A1 Control system using time division multiplexing
06/12/1979CA1056460A1 Bidirectional communication system for electrical power networks
05/1979
05/29/1979US4156866 Multiple remote terminal digital control system
05/29/1979US4156847 Method and apparatus for confirming transmission in bidirectional CATV system
05/29/1979US4156810 Transmitting device of light signal for remote control
05/22/1979US4156151 Electric apparatus for the distribution of energy particularly for vehicles
05/22/1979US4156112 Control system using time division multiplexing
05/16/1979EP0001749A1 Centrally controlled conveyor system
05/15/1979US4155074 Data collection system
05/15/1979US4155073 System for monitoring integrity of communication lines in security systems having remote terminals
05/15/1979CA1054693A1 Communication system particularly for filling stations
04/1979
04/24/1979US4151371 Remote meter reading apparatus comprising interphone means
04/10/1979US4149144 Polling and data communication system having a pulse position to binary address conversion circuit
04/03/1979CA1051995A1 Intrinsic safety barrier
03/1979
03/27/1979US4146750 Analog multiplexer control circuit
02/1979
02/27/1979US4142156 Control signal apparatus for CATV system
02/20/1979CA1049121A1 Addressable signalling apparatus having master calling feature with output latches and wrong digit reject
02/13/1979US4139737 Time division multiplex transmission system in which electrical power is transmitted to remote terminals from a central unit simultaneously with address and control signals
02/06/1979US4138669 Remote monitoring and controlling system for subsea oil/gas production equipment
01/1979
01/24/1979EP0000427A1 Road vehicle electrical systems
01/16/1979US4135149 Indication input signal processing system for use in remote supervisory control apparatus
01/09/1979US4134141 Recording and reproducing means
01/09/1979US4134103 Error-rejecting data transmission system
12/1978
12/26/1978US4131881 Communication system including addressing apparatus for use in remotely controllable devices
12/19/1978US4130874 Load management terminal having plural selectable address formats for a power line communication system
12/19/1978CA1044785A1 Automatic control system using error signal and integral and derivative thereof
11/1978
11/28/1978US4127845 Communications system
11/14/1978US4125831 Self-contained data acquisition device
11/14/1978CA1042527A1 Process for the remote transmission and indication of electrical measured values in electrolysis cells
11/14/1978CA1042515A1 Information signal transmitting system
10/1978
10/10/1978US4119948 Remote meter reading system
10/03/1978CA1039834A1 Automatic vehicle transmission control system
10/03/1978CA1039823A1 Data acquisition and display system
09/1978
09/26/1978CA1039391A1 Event monitoring transceiver
09/12/1978US4114141 Digital communication system for transmitting digital information between a central station and a number of remote stations
09/12/1978US4114138 Selective calling circuit
09/05/1978US4112416 Control method for a remote supervisory control system
09/05/1978CA1038043A1 Remote power control apparatus
08/1978
08/15/1978US4107656 Data communication receiver and transfer apparatus
08/01/1978US4104593 Receiver circuit including an hysteresis circuit for use with a remote controller
07/1978
07/25/1978US4103337 Data transmission system using analog to pulse width to digital conversion
07/18/1978US4101878 Self-cut-off power switch for a remote controlled electronic equipment
07/11/1978US4100597 Computer controlled distribution apparatus for distributing transactions to and from controlled machine tools having means independent of the computer for completing or stopping a tool function initiated by a computer transaction
07/11/1978US4100533 Multipoint polling technique
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