Patents
Patents for G08C 23 - Non-electric signal transmission systems, e.g. optical systems (9,931)
09/1999
09/21/1999US5956456 Apparatus and method for displaying guide program data from a cassette tape
09/14/1999US5953144 To download information from a microprocessor controlled system
09/09/1999DE19808004A1 Component for bi-directional, wireless optical data transmission
09/09/1999DE19757780A1 Arrangement for transmitting optical signals between a part moving on a trajectory, pref. on a circular path, and a relatively stationery part
09/08/1999EP0552323B1 Method of transmitting signals in an ir remote-control system
09/07/1999US5949403 Remote coordinate designating device
09/07/1999US5949351 System and method for bi-directional transmission of information between a remote controller and target systems
08/1999
08/31/1999US5945921 Apparatus and method for confirming remote control command response
08/19/1999WO1999041909A1 Multimedia system, portable operating device and communication module for use in said system
08/18/1999EP0936764A2 Method and apparatus for calibration of digital down converters in a signal processing system
08/11/1999EP0935393A2 Set top terminal for cable television delivery systems
08/11/1999EP0673583B1 Advanced set top terminal for cable television delivery systems
08/10/1999US5936611 On-screen displaying apparatus
08/10/1999CA2259671A1 Method and apparatus for calibration of digital down converters in a signal processing system
08/04/1999EP0933934A1 Remote control receiver accepting signals from infrared and radio frequency sources
08/03/1999US5933091 Remotely-actuated infrared-sensitive switch
07/1999
07/27/1999CA2169037C Traffic control system using light emitting diodes
07/22/1999WO1999030266A3 Remote energy supply process and system for an electronic information carrier
07/21/1999CN1223525A Network controller for cable television delivery systems
07/21/1999CN1223508A Sound-controlled infrared ray remote controller
07/15/1999DE19754267A1 Electronic control element for entering operating commands, e.g. for entertainment and domestic equipment
07/08/1999WO1999034564A1 Portable internet-enabled controller and information browser for consumer devices
07/07/1999CN1221935A Appts. for preventing stealing electricity and power transformer
06/1999
06/29/1999US5917630 Controlling apparatus for remote control operation
06/23/1999CN1043823C Remote meter reading device
06/17/1999WO1999030266A2 Remote energy supply process and system for an electronic information carrier
06/17/1999DE19755893A1 Anordnung und Verfahren zur Energiefernversorgung eines elektronischen Informationsträgers System and method for remote power supply of an electronic information carrier
06/09/1999EP0921508A2 Television and computer part combination with access to a communication network and remote control therefor
06/09/1999CN2323477Y Multifunctional infrared remote-controlled socket
06/09/1999CN1219044A Sound signal receiving and transmitting method and device between vehicles or for passengers
06/08/1999US5910779 Radio scanning system using acoustical surface waves (SW radio scanning system)
06/02/1999EP0920208A1 Method and apparatus for gathering program watched data
06/02/1999EP0920207A1 Interactive terminal for television delivery system
06/02/1999EP0920206A1 Advanced set top terminal with electronic mailbox for cable television delivery systems
05/1999
05/25/1999US5906022 Remote control apparatus with a cleaning mechanism
05/12/1999EP0915633A1 Apparatus and method for operating devices
05/12/1999EP0553332B1 Remote meter reading
04/1999
04/28/1999EP0912059A2 Terminal with multiple audio and video
04/28/1999EP0912058A2 Method and apparatus for providing broadcast data services
04/28/1999CN2316736Y Remote-controlled electric outlet
04/21/1999EP0910218A2 Audio program reception terminal for television delivery system
04/14/1999EP0909095A1 Reprogrammable terminal for suggesting programs offered on a television program delivery system
04/13/1999US5894278 Shield plate, electronic appliance equipped with shield plate, remote control system for electronic appliance, and shielding apparatus
04/01/1999WO1999016282A1 Remote control device
04/01/1999WO1999015858A1 Fiber optic sensing system
04/01/1999DE19740868A1 Projection device with laser remote control
03/1999
03/03/1999EP0673578B1 Apparatus and method for use in a digital cable headend for cable television delivery system
03/02/1999US5877702 Remote control system, start bit for biphase encoding scheme
02/1999
02/23/1999US5874731 Ambient light filter
02/18/1999WO1999008249A1 Remote control system and apparatus
02/18/1999WO1999008118A1 Counter
02/17/1999EP0674824B1 Television program delivery system
02/17/1999EP0673580B1 An operation center for a television program packaging and delivery system
02/10/1999CN2307362Y 遥控断路器 Remote breaker
12/1998
12/30/1998EP0887780A2 Remote control receiver
12/23/1998CN2301785Y Remote-controlled convenient switch
12/16/1998EP0884907A1 Caller indentification system for television
12/15/1998US5850369 Method and apparatus for communicating data in a wellbore and for detecting the influx of gas
12/09/1998EP0883098A2 Apparatus for transmitting and receiving encoded signals, particularly for remote control
12/02/1998EP0881611A1 Remote control apparatus with a cleaning mechanism
12/02/1998CN1200624A Remote control arrangement having 'cleaning-away' mechanism
11/1998
11/25/1998EP0766890B1 Device for transmitting and receiving rotating light signals
11/11/1998EP0877469A2 Circuit for a DC-DC converter
11/05/1998WO1998049525A1 Multi-channel electrical device with optical interfaces
11/04/1998EP0767944B1 Infrared sensor and method for making same
10/1998
10/29/1998WO1998048394A1 Remote control apparatus
10/28/1998EP0571382B1 Optical process variable transmitter
10/27/1998US5828146 Apparatus for the bidirectional transfer of information
10/15/1998CA2577582A1 High impact communication and control system
10/14/1998EP0871018A1 Electrically isolated interface for fluid meter
10/13/1998US5822098 Device and method of communication by infrared radiation between a user and a remotely controllable apparatus
10/07/1998CN2293867Y Illuminating keyboard remote-controller
09/1998
09/29/1998US5815108 System for extending infrared remote control
09/29/1998US5815074 Signal transmission apparatus
09/22/1998US5811810 Infrared sensor and method for making same
09/17/1998DE19709800A1 Network coupling device for remote-controlled entertainment device
09/09/1998EP0862820A1 Device for the optical transmission of signals
09/08/1998US5804713 Apparatus for sensor installations in wells
09/02/1998EP0862328A1 An operations center to be used in television program delivery
08/1998
08/27/1998WO1998037529A1 Data transmission device for traffic-guidance and traffic-information systems
08/18/1998US5796890 Bidirectional optically powered signal transmission apparatus
08/06/1998WO1998034207A1 Remote control apparatus and method
08/05/1998EP0856994A2 Digital cable headend for cable television delivery system
08/05/1998EP0856993A2 Set top terminal for cable television delivery systems
07/1998
07/30/1998WO1998033332A1 Universal remote control with infrared identification
07/29/1998EP0791272B1 Remote control for a receiver device
07/23/1998WO1998026394A3 Receiver/controller apparatus and method for remote control of electronic devices
07/16/1998DE19701945A1 Remote control for electric light source etc.
07/14/1998US5781125 Arrangement for the wireless exchange of data between a servicing device and a control unit in a motor vehicle
07/14/1998US5779032 Accessory box with remote control opening device
07/08/1998EP0852442A1 Television program delivery system
07/08/1998EP0852368A1 Contactless transmitting method for measured values
07/01/1998CN2285491Y Infrared type multi-function remote controller
06/1998
06/30/1998US5774673 System for communicating between a dynamic group of apparatuses
06/25/1998WO1998027523A1 System for extending infrared remote control
06/24/1998EP0849948A2 Remote control for cable television delivery system
06/24/1998CN2284983Y Domestic protective sleeve for remote-control emitter
06/18/1998WO1998026394A2 Receiver/controller apparatus and method for remote control of electronic devices
06/09/1998US5764180 Remote control keypad unit
05/1998
05/13/1998CN1181720A Remotely programmable matrices with memories and uses thereof
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