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