Patents
Sitemap › G08 - Signalling › G08B - Signalling or calling systems; Order telegraphs; Alarm systems › G08B 1 - Systems for signalling characterised solely by the form of transmission of the signal
Patents for G08B 1 - Systems for signalling characterised solely by the form of transmission of the signal (7,960)
06/1999
06/16/1999CN2324580Y Acousto-optic alarmer for traffic collision prevention
06/10/1999WO1999028877A1 System for establishing interactive contact between persons and communication device for such a system
06/09/1999CN2323418Y Remote-controlled alarm device with programmable extension interface
06/02/1999EP0919968A1 Method and device for interactive partner search
06/02/1999DE19738257A1 Early warning system for protection of worker in hazardous job
05/1999
05/26/1999CN2321049Y Alarm for interrupted power supply
05/12/1999DE19748048A1 System for mutual discovery of at least two persons with their approach
05/12/1999CN2318671Y Health-care device for help student study
04/1999
04/28/1999EP0911472A2 Apparatus for actuating a safety device
04/27/1999US5898369 Communicating hazardous condition detector
04/21/1999CN1214523A Transfering method and apparatus of energy and signal for textile machine, especially twiner
04/14/1999CN2313847Y Alarm for water level at boat bottom
02/1999
02/24/1999EP0897999A2 Method and apparatus for contactless energy and signal transfer in textile machines, in particular in twisting machines
02/24/1999CN2308921Y Wireless anti-theft alarm
02/18/1999WO1998052168A3 Reader for rfid system
02/18/1999DE19735567A1 Vehicle data determination and transmission method using emergency telephone
02/11/1999DE19734143A1 Danger warning device for person in inaccessible location
02/10/1999CN2307320Y Group joint defence wireless cipher alarm device
02/04/1999WO1998048969A3 Object for wireless transmission and/or reception of object and/oor person related data
02/04/1999DE19732574A1 Adjustable radio for search of communication or business partner
02/02/1999US5867105 Wireless alarm system
01/1999
01/21/1999DE19726863A1 Contact device for forming personal relationships
12/1998
12/30/1998CN2302476Y Temperature induction boiler limiting water level automatic alarming protector
12/17/1998WO1998029841A3 Recognition system for searching for and recognizing data models, and identification system for storing and recognizing data models
11/1998
11/25/1998CN2298557Y Multifunction calling doorbell
11/19/1998WO1998052168A2 Reader for rfid system
11/10/1998US5835061 Method and apparatus for geographic-based communications service
11/05/1998WO1998048969A2 Object for wireless transmission and/or reception of object and/oor person related data
10/1998
10/21/1998CN2295248Y Intelligent anti-theft anti-robbing radio networking alarming safe
10/21/1998CN1196546A Safety protective system for vehicle
10/14/1998CN2294492Y Telephone alarm without external power
10/13/1998US5821876 Communication interface for bus connected circuit breakers
09/1998
09/03/1998WO1998038607A1 Contact person search device
08/1998
08/20/1998DE19735651C1 Textile machine energy and signal transmission
07/1998
07/09/1998WO1998029841A2 Recognition system for searching for and recognizing data models, and identification system for storing and recognizing data models
06/1998
06/30/1998CA2051986C Programmable emergency signalling device and system
06/24/1998CN2284981Y Theft-proof alarm for carried articles
06/17/1998CN1184988A Inter-com for calling at the door to be let in with intruder-proof function
06/04/1998DE19648003A1 Signalanzeigesystem Signal display system
06/03/1998CN2283283Y Wireless remote-controller using together with universal switch
05/1998
05/07/1998DE19645348A1 Sensor signal pick=up arrangement for transmission of secret data
05/01/1998CA2189370A1 Ultimate bottle-baby bottle finder + musical sleeper
04/1998
04/28/1998US5745040 Outdoor alerting device for smoke alarms
04/15/1998CN2278974Y Battery for mobile telephone with theft-proof alarm and electric shock functions
04/14/1998US5740235 User-programmable paging system controller having priority-based, multiple input paging access capability for selectively activating one or more audio/visual paging output devices
04/07/1998US5737692 Clock radio system with remote alert device
03/1998
03/26/1998WO1998012676A1 Portable, battery-powered wireless device
03/12/1998DE19638820C1 Drahtlos arbeitende, tragbare Vorrichtung Wireless working, portable device
03/11/1998CN2276178Y Warning signal automatic pager starter
03/04/1998EP0796482A4 Remote signalling system
02/1998
02/05/1998DE19630808A1 Wireless partner recognition system
02/03/1998CA2145059C Combined audible and visual signaling device
12/1997
12/23/1997US5701227 Power surge protection assembly
12/17/1997CN2271002Y Combined switch for household electrical equipment
11/1997
11/12/1997CN2267507Y Intelligent testing and controlling device with speech function
11/11/1997US5686884 Warning unit
10/1997
10/29/1997CN2266160Y Loss preventing device for mobile phone
10/22/1997CN2265561Y Code word radio anti-violence device
09/1997
09/24/1997EP0796482A1 Remote signalling system
09/03/1997CN2261656Y Shore-based calling apparatus of ship tracking system by digital selecting calling technology
09/03/1997CN2261651Y Alarming apparatus with socket
08/1997
08/20/1997CN2260345Y Calling and alarming displaying device on emergency affairs
08/12/1997US5657007 For signaling to an occupant of a garbage receptacle
07/1997
07/30/1997CN2258638Y Controller for telephone and door-bell answer and alarm
07/23/1997EP0785102A2 Programmable emergency signalling device and system
07/23/1997CN1155133A Wiring method for electric controlled intercommunication anti-theft door
07/22/1997US5651070 Warning device programmable to be sensitive to preselected sound frequencies
07/10/1997WO1997024627A1 Person identifier
06/1997
06/10/1997US5638047 Sound activated transmitter
06/04/1997CN2255635Y Wire-less paging displayer
05/1997
05/22/1997WO1997018539A1 Communication apparatus
05/07/1997CN2253850Y Outdoor wireless speech sound theft-proof alarm device
04/1997
04/10/1997WO1997013232A1 Sound protecting headset with proximity collision avoidance protection
03/1997
03/25/1997US5614888 Circuit breaker with an alarm device and a circuit for generating an alarm in a circuit breaker
02/1997
02/12/1997CN2247357Y Communication alarm with memory function
02/11/1997US5602532 Audio coupled annunciating system for electrical panel boxes
12/1996
12/18/1996CN2243100Y Alarm
12/10/1996US5583477 Wireless AC/DC bell
11/1996
11/20/1996EP0743623A1 Communication system
11/20/1996EP0683913B1 Data transmission system, in particular for the sense-impaired
11/19/1996US5576690 Combined audible and visual signaling device
11/14/1996WO1996036027A1 Sound activated transmitter
10/1996
10/22/1996US5568122 Wireless audible indication system with low power signal processing
10/16/1996CN2237438Y Combined electronic alarm apparatus for man or woman to relieve himself or herself
10/08/1996US5563574 Electronic sound producing game animal distraction device for use by a hunter
09/1996
09/26/1996DE19510848A1 Portable visual aid for hearing-impaired telephone user
09/25/1996EP0733249A1 Method and system for remote control and room supervision and use thereof
09/05/1996DE19506392A1 Short range signal transmission system
08/1996
08/14/1996CN2233103Y Anti-theft door bell
08/08/1996DE19502627A1 Interpersonal contact establishment using portable radio transceivers
06/1996
06/11/1996US5525963 Apparatus for actuating a safety device
06/05/1996EP0715419A2 Automatical filtered information transfer
05/1996
05/02/1996WO1996013021A1 Remote signalling system
04/1996
04/16/1996US5508568 Receptacle safety deenergizer
03/1996
03/12/1996US5499014 Security alarm system
03/12/1996US5499013 Pulse power generator
02/1996
02/07/1996CN1116345A A combined audible and visual signaling device
02/01/1996WO1996002902A1 Emergency control apparatus
01/1996
01/11/1996DE4422204A1 Kommunikationseinrichtung Communication device
01/04/1996WO1996000428A1 Communication system
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