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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10/10/1990 | EP0390920A1 Series controller |
10/03/1990 | EP0390666A1 Monitoring system for industrial installations |
10/03/1990 | EP0390588A2 Input/output switching circuit |
10/03/1990 | EP0390567A2 Eletronic device with exclusive control type communication function and its communication system |
10/03/1990 | EP0390041A2 Remote-control apparatus for electronics apparatus |
09/29/1990 | WO1990011539A1 Radio having optical controls |
09/26/1990 | EP0389340A1 Device for detecting the end of a connection to a pay programme received by a subscriber terminal via an interactive teledistribution network |
09/26/1990 | EP0389339A1 Network for the interactive distribution of video, audio and computer communication information |
09/26/1990 | EP0388441A1 Apparatus and Method for a secure and diagnosable Antijabber Communication. |
09/26/1990 | EP0388436A1 Network and intelligent cell for providing sensing, bidirectional communications and control. |
09/25/1990 | US4959721 Remote control system with menu driven function selection |
09/25/1990 | US4959720 Tuner control apparatus having tune-by-label capability |
09/22/1990 | WO1990011665A1 Device for detecting the end of a connection to a toll television programme |
09/22/1990 | WO1990011664A1 Interactive distribution for video, audio and computer-communications data |
09/22/1990 | CA2029866A1 Device for detecting deconnections to pay-as-you-see programs received by a subscriber set in an interactive teledistribution network |
09/22/1990 | CA2029721A1 Video, audio and computer information interactive distribution network |
09/19/1990 | EP0388047A2 Device depowering apparatus |
09/19/1990 | EP0387359A1 Method and apparatus for remotely operating mdi |
09/18/1990 | US4958371 Method and apparatus for determining when a telephone handset is off-hook |
09/18/1990 | US4958154 System for wireless remote actuation of differing siren programs |
09/12/1990 | EP0387031A2 Automatic transducer excitation source testing system |
09/12/1990 | EP0386314A1 System for monitoring a patient by using a LAN |
09/12/1990 | EP0386151A1 Multiprocessor intelligent cell for a network which provides sensing, bidirectional communications and control. |
09/12/1990 | CN1045325A 存贮器遥控装置 Memory remote control device |
09/05/1990 | EP0385070A1 Remote control system with a code transmitted by code words |
09/05/1990 | EP0189439B1 Communication and control system |
09/05/1990 | CN1045195A 过程控制终端 Process control terminal |
09/04/1990 | US4954899 Reception control apparatus for a television receiver |
09/04/1990 | US4954820 Transmitter for radio control system |
08/29/1990 | EP0384910A2 Process control terminal |
08/29/1990 | EP0383925A1 Device for detecting the position of a broken line in a serial control system |
08/23/1990 | WO1990009707A1 Transponder system |
08/23/1990 | WO1990009631A1 Process for monitoring a computer network |
08/23/1990 | CA2010711A1 Process control terminal |
08/14/1990 | US4949299 Industrial control communication network and method |
08/14/1990 | US4948969 Photodetector having convex window for shielding electromagnetic wave and electrostatic induction noises |
08/14/1990 | CA1272773A1 Electronic surveillance system and transceiver unit therefor |
08/08/1990 | EP0381170A2 Signal transmission system in which a plurality of terminals are processed with single address |
08/08/1990 | EP0381018A2 Fire alarm system and method for operating the same |
08/08/1990 | EP0380684A1 System for remotely diagnozing cnc |
08/01/1990 | EP0380426A1 Resonant tag and method of manufacturing the same |
08/01/1990 | EP0380188A2 Multiplex system |
07/31/1990 | US4945353 Telemetry system used with sensing devices |
07/31/1990 | US4944299 High speed digital telemetry system for implantable device |
07/31/1990 | CA1272263A1 Energy management system |
07/18/1990 | EP0222854B1 Telecontrol unit for leisure electronic apparatuses |
07/18/1990 | CN1044002A Electrooptical arrangement for remotely controlling electronic apparatus |
07/17/1990 | US4942552 Method and apparatus for saving and performing industrial control commands |
07/17/1990 | US4942512 Control method of robot system and apparatus for realizing the same |
07/12/1990 | WO1990007844A1 Apparatus and method for using encoded video recorder/player timer preprogramming information |
07/11/1990 | EP0377055A1 Electro-optical arrangement for the remote control of electronic apparatuses |
07/10/1990 | US4941206 Loop-type optical fiber transmission system having master and slave apparatus |
07/10/1990 | US4941089 Input/output network for computer system |
07/04/1990 | EP0376741A2 Auto-translation system for message generator |
07/04/1990 | EP0376191A1 Power supply switch for electrical equipment, and remote control terminal apparatus provided with such a switch |
07/04/1990 | EP0376056A2 Optical multiplexed electrical distribution system particularly suited for vehicles |
07/03/1990 | CA1271277A1 Method for transmitting information of measure data and device implementing said method |
06/30/1990 | CA2006023A1 Auto-translation system for message generator |
06/28/1990 | DE3844002A1 Aussenrueckblickspiegel fuer kraftfahrzeuge Aussenrueckblickspiegel for motor vehicles |
06/27/1990 | EP0375141A2 Remote display control |
06/27/1990 | EP0374176A1 Method and system for transmitting information and controlling components |
06/27/1990 | CN1008567B Apparatus for remotely monitoring process carried out in containment structure |
06/26/1990 | US4937569 Data communication system |
06/21/1990 | DE3842484A1 Communications device for motor vehicles |
06/20/1990 | EP0373407A1 Remote control device for the transmission of commands |
06/19/1990 | US4935886 Plant control system including plant operation simulator |
06/19/1990 | US4935619 Wireless remote-control system for electronic apparatus |
06/19/1990 | US4934844 Remote-control system for sewing machine |
06/14/1990 | WO1990006638A1 Device for transmission of information through a three-phase power line |
06/13/1990 | DE3940656A1 TV receiver with free movement about two axes |
06/12/1990 | US4933885 Plant monitoring system |
06/12/1990 | US4933633 Computer controlled energy monitoring system |
06/12/1990 | US4933563 Infra-red receiver |
06/06/1990 | EP0371749A2 Audio/video system for television receiver, video cassette recorder, and so forth |
06/06/1990 | EP0371445A2 Transmission line monitoring system |
06/05/1990 | US4931790 Digital remote control method |
05/29/1990 | US4930049 Optical multiplexed electrical distribution system particularly suited for vehicles |
05/29/1990 | US4929949 Radio control transmitter having improved display characteristics |
05/29/1990 | US4929941 Device for transmitting items of information for an automobile vehicle and a method of using said device |
05/29/1990 | US4928778 Remote control car starter |
05/23/1990 | EP0369382A2 Home-bus-information system |
05/22/1990 | US4928246 Multiple channel data acquisition system |
05/22/1990 | US4928179 Video camera capable of effecting remote control operation |
05/22/1990 | US4927401 Radio controllable spherical toy |
05/22/1990 | CA1269464A1 System for the remote management of lift installations |
05/16/1990 | EP0368780A1 Electronic arrangement for picking up signals from a group of external sensors |
05/16/1990 | EP0368475A2 Interactive video system |
05/16/1990 | EP0368465A1 Improvements relating to data transmission systems |
05/16/1990 | EP0368461A2 Fibreglass collar for data transfer from rotatable shaft |
05/15/1990 | US4926158 Powered communication link |
05/09/1990 | CN1007936B Data transmission system and control method |
05/08/1990 | US4924482 Data-transmitting apparatus |
05/03/1990 | WO1990004871A1 Light-energized electronics energy management system |
05/03/1990 | WO1990004839A1 Multiple channel data acquisition system |
05/02/1990 | EP0366176A1 Receiver for use in a remote control system |
05/01/1990 | US4922093 Method and a device for determining the number of people present in a determined space by processing the grey levels of points in an image |
04/30/1990 | CA2000966A1 Electronic arrangement for picking up signals from a group of external sensors |
04/25/1990 | EP0365435A2 Multipath transmission system applicable to an automobile |
04/25/1990 | EP0365402A1 Arrangement for the transfer and remote collection of counter data |
04/24/1990 | CA1268236A1 Universal remote control unit with model identification capability |