| 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) |
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| 09/27/1989 | EP0334254A2 Magnetically activating optical data link |
| 09/26/1989 | US4870638 Remote maintenance system for a digital communication network |
| 09/26/1989 | CA1261906A1 Remote control transmitter |
| 09/26/1989 | CA1261087A1 Device for establishing a connection between a telecommunication network and a controllable system, such as a computer system, provided with an access control unit controllablevia a separate network terminal |
| 09/20/1989 | EP0333275A2 Power supply device |
| 09/19/1989 | US4868859 Supervised, interactive alarm reporting system |
| 09/19/1989 | CA1259681A2 Power meter having digital automatic gain control |
| 09/14/1989 | DE3806948A1 Verfahren zum adressieren von prozessoreinheiten Method for addressing processor units |
| 09/12/1989 | US4866594 Gas cylinder monitor and control system |
| 09/12/1989 | US4866542 Remote-controlling commander with multi-function rotary dial |
| 09/12/1989 | US4866434 Multi-brand universal remote control |
| 09/12/1989 | CA1259419A1 Sound transmission method for data way system |
| 09/08/1989 | WO1989008359A1 Process for addressing processing units |
| 09/08/1989 | WO1989008358A1 Device for in-process monitoring of transmission systems |
| 09/06/1989 | EP0331573A1 Pulse burst transmitter |
| 09/06/1989 | EP0331257A2 Universal remote control transmitter with simplified device indentification |
| 09/05/1989 | US4864603 Method of transmission of information or measurement data and device for using the method |
| 09/05/1989 | US4864588 Remote control system, components and methods |
| 09/05/1989 | US4864550 Remote control equipment for use with an audio system |
| 09/05/1989 | US4864158 Rapid signal validity checking apparatus |
| 08/31/1989 | DE3904917A1 Transmitter for a remote control |
| 08/30/1989 | EP0330448A1 Signalling systems |
| 08/30/1989 | EP0329901A2 Power failure detector and recovery apparatus for an electronic remote data recorder |
| 08/30/1989 | CN1035182A Semi-sequential transmission method and system for transmitting seismic signals |
| 08/29/1989 | US4862493 Electronic remote data recorder for electric energy metering |
| 08/29/1989 | US4862404 Digital circuit for suppressing fast signal variations |
| 08/29/1989 | US4862157 Signal transfer method and equipment for electric machine equipped with three-phase power supply cable |
| 08/24/1989 | WO1989007874A1 Addressable transducer with improved response signal processing |
| 08/23/1989 | EP0329546A1 Semi-sequential transmission method and system using a plurality of radio transmission frequencies simultaneously for linking a seismic reception arrangement to a central processing unit |
| 08/23/1989 | EP0329514A1 Connecting interface for an information transmission system, e.g. for an automotive vehicle |
| 08/23/1989 | EP0328773A2 Remotely controlled transmitter with a bar code reader |
| 08/23/1989 | EP0328559A1 Bidirectional roller deck control for a self guided vehicle |
| 08/22/1989 | US4860379 Data communications system |
| 08/22/1989 | US4860335 Method for notifying of a call arrival |
| 08/22/1989 | US4860280 Apparatus and method for a secure and diagnosable antijabber communication circuit |
| 08/22/1989 | US4858727 Apparatus and method for transmitting signal for elevator |
| 08/16/1989 | EP0327596A1 Opto-electrical power transmission and control system. |
| 08/15/1989 | US4858152 Operator access to monitoring applications |
| 08/15/1989 | US4857917 Remote control apparatus providing leader pulse followed by data pulses |
| 08/15/1989 | US4857898 Data compression technique for reconfigurable remote control apparatus |
| 08/08/1989 | US4856081 Reconfigurable remote control apparatus and method of using the same |
| 08/08/1989 | US4855896 Collective wiring system and method of control thereof |
| 08/08/1989 | US4855732 System for the transmission of signals between a reception assembly lowered into a well and a central control and recording laboratory |
| 08/08/1989 | US4855730 Component audio/video system with timed control of plural peripheral devices |
| 08/08/1989 | US4855729 Communication control system of fluid control valve |
| 08/02/1989 | EP0325837A2 Rapid signal validity checking apparatus |
| 08/02/1989 | EP0325692A2 Method for controlling or regulating injection-moulding machines |
| 08/01/1989 | US4853927 Method and circuit arrangement for decentralized controlled transmission rerouting |
| 08/01/1989 | US4853685 Switch monitoring arrangement with remote adjustment capability having debounce circuitry for accurate state determination |
| 08/01/1989 | CA1258108A1 Remote master-slave control method |
| 07/27/1989 | WO1989005076A3 Apparatus and method for a secure and diagnosable antijabber communication circuit |
| 07/18/1989 | US4850046 Infrared transmitter of coded message having fixed code and large number of combinations |
| 07/18/1989 | US4849967 Multiplex control system |
| 07/13/1989 | WO1989006412A1 Test initiation apparatus with continuous or pulse input |
| 07/12/1989 | CN1033914A Method and apparatus for transmitting information in manufacturing machine comprising plurality of production stations |
| 07/11/1989 | US4847894 Device for aiding maintenance of an electromechanical installation having automatic monitoring and control means |
| 07/11/1989 | US4847781 Energy management system |
| 07/11/1989 | US4847750 Peripheral DMA controller for data acquisition system |
| 07/11/1989 | US4847617 High speed digital telemetry system for implantable devices |
| 07/06/1989 | DE3807732A1 Circuit arrangement for the automatic control of test assemblies, which can be combined with manual control |
| 07/05/1989 | EP0322698A1 Methode for the transmission of information |
| 07/04/1989 | US4845708 Vehicle multiplex system |
| 07/04/1989 | CA1256964A1 Radio wave signal controlled door lock arrangement |
| 07/04/1989 | CA1256945A1 Remote control system |
| 06/28/1989 | EP0321476A1 Remote programming of catv channel authorization unit |
| 06/27/1989 | US4843386 Remote control unit with hierarchical selection |
| 06/27/1989 | US4843384 Wireless remote control system |
| 06/27/1989 | CA1256500A1 Universal remote control unit |
| 06/21/1989 | EP0321253A2 Interface adapter for interfacing a remote controller with commercial refrigeration and environmental control systems |
| 06/21/1989 | EP0282577A4 Energy management system. |
| 06/15/1989 | WO1989005536A1 Lighting control |
| 06/14/1989 | EP0320439A2 Two way remote controller |
| 06/14/1989 | EP0320067A2 Reconfigurable remote control apparatus |
| 06/14/1989 | EP0320066A2 Data compression technique for reconfigurable remote control apparatus |
| 06/13/1989 | US4839642 Data transmission system with data verification |
| 06/07/1989 | EP0319297A2 Timepiece communication system |
| 06/07/1989 | EP0319235A2 Communication and energy control system for houses |
| 06/07/1989 | EP0318600A1 Signal output device |
| 06/06/1989 | US4837779 Communicator and communication method and system |
| 06/06/1989 | US4837556 Signal transmission device |
| 06/01/1989 | WO1989005076A2 Apparatus and method for a secure and diagnosable antijabber communication circuit |
| 05/31/1989 | EP0318354A1 Vehicle data transmission device and method for using said device |
| 05/30/1989 | US4835706 Centralized control system for controlling loads such as an electric motor |
| 05/30/1989 | US4835604 Aircraft service system with a central control system for attendant call lights and passenger reading lights |
| 05/30/1989 | US4835531 Automobile remote-control system |
| 05/30/1989 | CA1254949A1 Automatic/remote rf instrument reading method and apparatus |
| 05/24/1989 | EP0317541A1 Method of remote control of several local stations by a central station and system for application of the method |
| 05/24/1989 | EP0317428A1 Remote control and remote surveillance system in time sharing |
| 05/24/1989 | EP0317082A1 Spontaneous reporting of remotely generated data |
| 05/24/1989 | EP0317007A1 Remote control system using a wake up signal |
| 05/24/1989 | DE3738433A1 Control system for a motor vehicle |
| 05/23/1989 | US4833727 Remote-controlled receiver arrangement using a modulated carrier |
| 05/23/1989 | US4833672 Multiplex system |
| 05/23/1989 | US4833600 Computer driver module for master interface to communication and control network |
| 05/23/1989 | US4833592 Master station apparatus for remote supervisory control system with touch panel video display |
| 05/23/1989 | CA1254605A1 Monitoring system for use with elongate heater units |
| 05/18/1989 | WO1989004578A1 Network and intelligent cell for providing sensing, bidirectional communications and control |
| 05/18/1989 | WO1989004571A1 Series controller |
| 05/18/1989 | WO1989004521A1 Multiprocessor intelligent cell for a network which provides sensing, bidirectional communications and control |
| 05/18/1989 | WO1989004516A1 An input/output section for an intelligent cell which provides sensing, bidirectional communications and control |