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)
06/1983
06/28/1983CA1149023A1 Broadcast system for distribution automation and remote metering
06/22/1983EP0081807A1 Circuit for the optical indication of parameters
06/22/1983EP0035992B1 Data transmission arrangement
06/14/1983US4388567 Remote lighting-control apparatus
06/08/1983EP0080504A1 Computer controlled energy monitoring system
06/07/1983CA1147815A1 Ir remote control system
05/1983
05/31/1983US4386426 Data transmission system
05/24/1983US4385295 Pager with visible display indicating unread messages
05/17/1983CA1146475A1 Control level displaying apparatus
05/03/1983US4382287 Pseudo-synchronized data communication system
04/1983
04/28/1983WO1983001547A1 Encoder for transmitted message deactivation code
04/14/1983WO1983001356A1 Pager with visible display indicating unread messages
04/13/1983EP0076586A1 A cascade monitoring apparatus
03/1983
03/30/1983EP0075317A2 Cordless remote control apparatus
03/30/1983EP0075214A1 Method of switching a television receiver
03/22/1983US4377754 Switching circuit for a remote control system
03/15/1983US4377006 IR Remote control system
03/08/1983CA1142620A1 Command and monitoring system
03/02/1983EP0072857A1 Data communication system.
02/1983
02/23/1983EP0072698A2 Diplexer useful especially for television tuning systems
02/22/1983US4375106 Remote control circuit
02/16/1983EP0008285B1 Control system using time division multiplexing
02/09/1983EP0071367A2 Self-sequencing data bus allocation system
02/01/1983CA1140690A1 Remote supervisory system for monitoring telephone subscriber premises
01/1983
01/26/1983EP0070284A1 Switching system
01/18/1983US4369523 Remote control system of an optical repeater
01/18/1983CA1139868A1 High speed data switching node
01/12/1983EP0069561A1 Data transmission system
01/04/1983CA1138952A1 Data communications system
12/1982
12/23/1982WO1982004492A1 Computer controlled energy monitoring system
12/21/1982US4365249 Line monitoring device in two-way data communication system
12/15/1982EP0067011A2 Control module for energy management system
12/15/1982EP0067010A1 Methods for operation of programmable signal control circuits
12/14/1982US4364042 Data-transmission and data-processing system
12/07/1982CA1136864A1 Time synchronization master station and remote station system
11/1982
11/30/1982US4361838 Remote meter reading arrangement
11/30/1982US4361836 Safety device at remote control of hydraulic or pneumatic machine tools
11/30/1982US4361766 Remotely-controllable relays
11/30/1982CA1136712A1 Drive circuit for an infrared remote control transmitter
11/23/1982US4360807 Device for remote control of hydraulic or pneumatic machine tools
11/09/1982CA1135431A1 Device control system
11/02/1982US4357598 Three-phase power distribution network communication system
10/1982
10/27/1982EP0063296A1 Three-phase power distribution network communication system
10/26/1982CA1134490A1 Remote control wiring system
10/12/1982CA1133623A1 Remote control apparatus
10/05/1982US4352992 Apparatus for addressably controlling remote units
09/1982
09/28/1982US4352104 Remote meter reading apparatus
09/28/1982US4352103 Industrial control system
09/28/1982US4352086 Method and a circuit arrangement for modifying control information in a traffic signal system, particularly a street traffic signal system
09/22/1982EP0060552A2 Apparatus for monitoring a canalisation system, especially an isolated heating canalisation for long distances
09/22/1982EP0060339A2 Station for a remote control device
09/14/1982US4349820 Tone signal decoder
09/02/1982WO1982002966A1 Data communication system
08/1982
08/31/1982CA1130924A1 Supervisory control system
08/24/1982CA1130425A1 Digital remote control system
08/05/1982WO1982002639A1 Switching system
08/03/1982US4342986 Central station alarm reporting system
07/1982
07/30/1982EP0050624A4 Electrical supervisory control and data acquisition system.
07/20/1982US4340908 Control level displaying apparatus
07/19/1982EP0049276A4 Terminal unit for automatic meter reading system.
07/19/1982EP0048746A4 Automatic meter reading system.
07/13/1982US4339723 Pulse width discriminator
07/13/1982CA1127769A1 Data transmission system
07/08/1982WO1982002304A1 Tone detector circuit
06/1982
06/29/1982US4337463 Time synchronization master station and remote station system
06/01/1982CA1124799A1 Communications system with repeater stations
05/1982
05/12/1982EP0051325A1 A remote control system
05/05/1982EP0050624A1 Electrical supervisory control and data acquisition system.
05/04/1982US4328586 Optically coupled serial communication bus
05/04/1982US4328559 Apparatus for exchange of data between central station and peripheral stations and system for effecting same
04/1982
04/29/1982WO1982001438A1 Remote supervisory control unit
04/20/1982US4326289 Expandable communication system
04/20/1982US4326264 Display system for a supervisory control system
04/14/1982EP0049276A1 Terminal unit for automatic meter reading system.
04/07/1982EP0048939A1 Signal transmission arrangements having stations that can be optionally equipped with input units
04/07/1982EP0048746A1 Automatic meter reading system.
03/1982
03/30/1982US4322855 Remote control apparatus
03/30/1982US4322842 Broadcast system for distribution automation and remote metering
03/30/1982US4322728 Multichannel remote transducer monitoring system
03/24/1982EP0048188A1 Control arrangement for an endless conveyor belt
03/16/1982US4320388 Two wire optical data communication system
03/10/1982EP0046937A1 Telecontrol equipment with output of received signalisation information and of information depending on the operating mode of the stations
03/02/1982CA1119272A1 Multiple-processor digital communication system
02/1982
02/23/1982US4317050 User control arrangement for controlling a plurality of functions
02/16/1982US4316262 Remote meter reading system
02/09/1982US4315251 Automatic meter reading and control system
02/09/1982US4315250 Connection arrangement for selection and display system
02/09/1982CA1118067A1 System for transmitting airport weather information
01/1982
01/27/1982EP0044685A1 Data communication system
01/20/1982EP0044218A1 Data communication system
01/19/1982US4311986 Single line multiplexing system for sensors and actuators
01/13/1982EP0043431A1 Measuring device with a plurality of measuring points connected to each other by a cable
01/12/1982US4310855 Efficient multichannel automatic setup and remote control system
12/1981
12/29/1981CA1115387A1 Sewing machine with wipe protective circuitry
12/22/1981CA1114903A1 Remote control system
12/09/1981EP0041193A1 Information transmission system
12/01/1981CA1113620A1 Base station feedback reporting system
12/01/1981CA1113571A1 Multiple-processor digital communication system
11/1981
11/24/1981US4302841 Motor vehicle electrical system
11/17/1981US4301532 Arrangement for transmitting digital data signals
1 ... 128 129 130 131 132 133 134 135 136 137 138 139 140 141