Patents for G08B 3 - Audible signalling systems; Audible personal calling systems (6,083) |
---|
04/22/1998 | EP0707732B1 A system for identifying object location |
04/22/1998 | CN2279658Y Solar energy water level alarming & door ring two-purpose instrument |
04/21/1998 | US5742238 System for communication between a central controller and items in a factory using infrared light |
04/14/1998 | US5739759 Melody paging apparatus |
04/08/1998 | CN1178184A Improved structure of carrying case for electronic equipment |
04/01/1998 | EP0797817A4 Radio paging electrical load control system |
04/01/1998 | CN2277544Y Burglar alarm using bleeper |
03/26/1998 | WO1998012677A1 Pager with voice and data messages |
03/25/1998 | EP0831439A1 Selective calling wireless receiver unit |
03/24/1998 | US5730348 Fastening for securing an apparatus to a belt |
03/19/1998 | WO1998011666A1 A sounder control system |
03/17/1998 | US5727290 Ergonomic attachment device for a portable electronic apparatus |
03/11/1998 | CN2276183Y Driving safety distance alarm |
03/10/1998 | US5726634 Smoke alarm with high and low pitched tones |
03/04/1998 | CN1175169A Radio Pager with display device |
03/03/1998 | US5724654 Housing for pager receiver having battery cover locking piece which exposes terminal for external access |
03/03/1998 | US5724410 Two-way voice messaging terminal having a speech to text converter |
02/28/1998 | CA2213325A1 Apparatus and method for remotely controlling doorbell chimes from doorbell push button |
02/25/1998 | CN1174481A Wireless selective call receiver with speech notice function in which power supply voltage is determined in loading state |
02/18/1998 | CN1173788A Method of informing about lication of missing paging receiver and its owner's telephone number |
02/04/1998 | EP0822528A1 Driving circuit for a piezoelectric buzzer |
02/03/1998 | US5714944 Selective call receiver for receiving at least two kinds of transmitted information signals |
02/03/1998 | US5714943 Radio data interface device |
01/28/1998 | EP0551496B1 Integrated safety monitoring and alarm system |
01/22/1998 | DE19627262C1 Wrist-mounted acoustic signal generator for sports activity |
01/21/1998 | CN2272753Y Transfusion alarm device |
01/20/1998 | US5710576 Portable electronic apparatus having partial display function |
01/20/1998 | US5709012 Belt clip integrated with structure to receive chain clip |
01/13/1998 | US5708971 Two-way paging system and apparatus |
01/07/1998 | EP0817142A1 Radio paging receiver with display |
01/07/1998 | EP0815692A2 A two-way paging system and apparatus |
01/06/1998 | US5705990 Multiple switch pad |
12/30/1997 | US5703945 Hands free cordless phone caddy |
12/30/1997 | US5703572 Informing device for a radio receiver |
12/24/1997 | CN1168608A Communication apparatus capable of announcing reception of call by melody sound composed by user |
12/23/1997 | US5701588 Pictorial display apparatus for receivers for implementing the pictorial display |
12/23/1997 | US5701227 Power surge protection assembly |
12/17/1997 | CN2270997Y Traffic command electronic whistle |
12/17/1997 | CN2270996Y Electronic door bell with theft-proof alarm function |
12/16/1997 | US5697538 Holster for a portable communication device |
12/16/1997 | CA2077344C Selective call receiver having anti-theft protection |
12/11/1997 | WO1997047144A1 Method and apparatus for registration status indication in a roaming system |
12/10/1997 | EP0811277A1 Joint demodulation using spatial maximum likelihood |
12/10/1997 | CN1167409A Calling selection receiver with multiple calling alarm units |
12/03/1997 | CN1166757A Radio selective calling receiver and calling method |
12/02/1997 | US5694299 Selective call receiver having a cover with a hole for a key to protrude therethrough |
11/26/1997 | CN2268955Y Sensor for pushing, kicking and hitting |
11/25/1997 | US5690262 Pager mounting system |
11/18/1997 | US5689234 Integrated firefighter safety monitoring and alarm system |
11/18/1997 | US5689229 Patient care and communication system |
11/12/1997 | EP0806750A1 Audio communication system for a life safety network |
11/12/1997 | EP0727128A4 Group message delivery in a time-division multiplexed paging system |
11/12/1997 | CN2267489Y Multi-function personal protection arrangement |
11/06/1997 | DE19713150A1 Portable alarm system e.g. for emergency alarm |
11/05/1997 | CN2266755Y Multi-function quick isolating audible automatic alarmer |
11/05/1997 | CN2266399Y Alarmer for bed-wetting |
11/05/1997 | CN1164169A Radio paging receiver in which announcement of call is controlled in accordance with form of received signal |
10/29/1997 | EP0803849A1 Wireless selective call receiver operable in cover closing state |
10/29/1997 | EP0803848A1 Radio selective calling receiver and calling method |
10/23/1997 | WO1997039533A1 Multi-pole switch assembly |
10/21/1997 | US5680112 Wireless audible indication system with battery status indicator |
10/21/1997 | US5680102 Receiver for use in a wireless actuator system |
10/21/1997 | US5678281 Clip assembly |
10/15/1997 | EP0800653A1 Distance determination and alarm system |
10/14/1997 | US5677679 Sound device for message decoder |
10/07/1997 | US5675312 Piezoelectric warbler |
10/07/1997 | US5675311 Frequency sweeping audio signal device |
10/07/1997 | EP0560948A4 Method of personally addressed communication, information, guidance and quick processing of the procedures in the airports. |
10/01/1997 | EP0797817A1 Radio paging electrical load control system |
10/01/1997 | CN2263806Y Wireless anti-steal warner for safe |
09/24/1997 | CN2263376Y Radio telecontrol alarm and telecontroller |
09/24/1997 | CN2263374Y AC double sound electronic door bell |
09/24/1997 | CN2263373Y Whistle alarm for gas leakage |
09/23/1997 | CA2109976C Casing for a miniature portable apparatus |
09/23/1997 | CA2087838C Communication receiver providing displayed operating instructions |
09/17/1997 | EP0795845A2 Communication apparatus capable of announcing reception of a call by a melody sound composed by a user |
09/17/1997 | CN2262725Y Calling apparatus capable of identifying pedestrian direction |
09/17/1997 | CN1159864A Multi-beam satellite-based messaging system |
09/17/1997 | CN1159727A Calling device with low-voltage alarm device |
09/11/1997 | CA2199648A1 Combined interior handbag personal alarm and light device |
09/10/1997 | CN2262266Y Anti-theft anti-riot emergency alarm |
09/10/1997 | CN2262265Y Multifunctional electronic door bell |
09/09/1997 | US5664292 For supporting a device on a belt |
09/05/1997 | CA2199113A1 Apparatus for remotely controlling auxiliary doorbell chime |
09/03/1997 | CN2261197Y Memo flower bottle |
09/02/1997 | US5663715 Synchronized paging system |
08/27/1997 | CN2261042Y Baby-protection device |
08/27/1997 | CN1158061A Radio selective calling receiver capable of checking time period of stay outside coverage zone |
08/26/1997 | US5661471 Emergency alert system for a protected region employing RF and non-RF signalling |
08/26/1997 | US5661468 Radio paging electrical load control system and device |
08/26/1997 | US5661460 Distance determination and alarm system |
08/20/1997 | CN2260346Y Portable alarming device |
08/20/1997 | CN1157537A Radio selective calling receiver |
08/14/1997 | WO1997029462A1 Door bell for pets |
08/13/1997 | CN2259581Y Controllable temperature water heater alarmed by electronic sound |
08/12/1997 | US5657210 Radio pager having a protection lid |
08/12/1997 | US5656779 Apparatus and method for producing structural and acoustic vibrations |
08/06/1997 | EP0530441B1 Warning timer for users of interactive systems |
08/06/1997 | CN1035585C Selective call receiver holster with integral display impact protection |
07/30/1997 | EP0786144A1 Multi-beam satellite-based messaging system |