| Patents for G08B 3 - Audible signalling systems; Audible personal calling systems (6,083) |
|---|
| 01/17/2002 | CA2352427A1 Device location and identification system |
| 01/16/2002 | CN2472284Y Device for protecting visual acuity of child |
| 01/15/2002 | US6339377 Article surveillance security system with self-alarm |
| 01/15/2002 | US6339368 Circuit for automatically driving mechanical device at its resonance frequency |
| 01/15/2002 | CA2306927C Patient thermal regulation system |
| 01/10/2002 | WO2001040906A3 Method of determining distance between two electronic devices |
| 01/09/2002 | EP1169689A1 Alarm |
| 01/09/2002 | CN2470889Y Door-bell alarming box |
| 01/09/2002 | CN1330494A Paging device |
| 01/08/2002 | US6337972 Melodic alerts for communications device |
| 01/03/2002 | US20020000908 Container cover that generates audio output |
| 01/02/2002 | EP1168885A2 Speaker system comprising a means for selecting a specific speaker in order to transmit an audible message to a specific location |
| 01/02/2002 | EP1168267A1 Paging device |
| 01/02/2002 | CN2469504Y Antihijacking signalling device |
| 01/02/2002 | CN2468330Y Key-ring with function of responsing whistle or clapping of user |
| 01/01/2002 | US6335691 Musical bottle |
| 12/25/2001 | US6333690 Wide area multipurpose tracking system |
| 12/23/2001 | CA2345187A1 Addressable speaker system |
| 12/20/2001 | US20010052840 Paging device |
| 12/20/2001 | CA2344610A1 Paging device |
| 12/13/2001 | US20010051536 Communication device to inform a user of a call differently according to the caller |
| 12/13/2001 | DE10028328A1 Location system, e.g. for persons in a building, has mobile object unit with person identifier memory, receiver for location signal and transmitter for location signal dependent object identifier and location signal |
| 12/12/2001 | EP1161756A1 Buzzer with zener diode in discharge path |
| 12/12/2001 | CN2465253Y Electric sounding alarm for air defense |
| 12/12/2001 | CN2465252Y Water level automatic sounding device for water tank of solar energy water heater |
| 12/12/2001 | CN1326172A Prompting alarm for wearing safety belt |
| 12/11/2001 | US6329908 Addressable speaker system |
| 12/06/2001 | WO2001092910A2 Method and apparatus for determinig the location of a plurality of users |
| 11/29/2001 | US20010045889 Virtual sound system |
| 11/28/2001 | EP1158472A1 Audible warning devices |
| 11/28/2001 | CN2462493Y Wetting radio calling device for nursing baby |
| 11/27/2001 | US6321418 Belt clip with improved flange |
| 11/22/2001 | WO2001088873A1 Alarm system |
| 11/14/2001 | CN1322065A Radio receiver capable of adjusting regenerating speed of voice signal |
| 11/13/2001 | US6317052 Pattern selection method and apparatus |
| 10/31/2001 | DE10020918A1 Calling indicator for house doorbell system has LED indicators for showing which of two contact switches has been operated |
| 10/30/2001 | US6310552 Integrated firefighter safety monitoring and alarm system |
| 10/30/2001 | US6310540 Multiple signal audible oscillation generator |
| 10/25/2001 | DE10019703A1 Handy multi-frequency audible tone generator for PIN numbers, stores sequence of tones in memory, which is invariable |
| 10/23/2001 | US6307482 Silenceable speaker with pre-announce tone detection |
| 10/23/2001 | US6307471 Radio based proximity token with multiple antennas |
| 10/17/2001 | CN2455019Y Wearing device for pager and timer |
| 10/17/2001 | CN2453723Y Anti-lost key-ring |
| 10/16/2001 | US6304177 Switching assembly for an exit alarm lock |
| 10/03/2001 | CN1072429C Wireless selective call receiver and system for writing desired data in same |
| 09/26/2001 | EP0651935B1 Radio data interface device |
| 09/26/2001 | CN1071687C Improved structure of carrying case for electronic equipment |
| 09/25/2001 | US6295005 Radio selective-calling receiver with deferring function informing received contents and method thereof |
| 09/20/2001 | US20010023195 Cellular mobile telephone apparatus and an alarm device therefor |
| 09/19/2001 | CN2449301Y Door control speech sound prompting device |
| 09/18/2001 | US6292106 Acoustical system and method for simultaneously locating and tracking multiple personnel in rooms of a building |
| 09/13/2001 | WO2000004522A8 Electronic band tag and method of storing id information therein |
| 09/12/2001 | CN2447892Y Door bell |
| 09/11/2001 | US6288633 Actuable audible display for bicycle handlebars |
| 09/07/2001 | WO2001065514A1 Cap-signaling device |
| 09/04/2001 | US6285294 Automated door knocker |
| 09/04/2001 | US6285277 Page simulating device |
| 09/04/2001 | US6283348 Cellular telephone clip |
| 08/30/2001 | US20010017586 Annunciatory signal generating method and device for generating the annunciatory signal |
| 08/29/2001 | CN2445391Y Search device of remote-controller of domestic electrical equipment |
| 08/29/2001 | CN2445386Y Door bell reminding apparatus |
| 08/28/2001 | US6281789 Alarm system having improved control of notification appliances over common power lines |
| 08/28/2001 | US6279362 Belt clip assembly |
| 08/15/2001 | CN2443446Y Double tube photoelectric speech prompting apparatus |
| 08/15/2001 | CN2442656Y Instrument for preventing myopia |
| 08/09/2001 | US20010012471 Belt clip for portable electronic equipment |
| 08/07/2001 | US6272319 Radio selective calling receiver |
| 07/31/2001 | US6268802 Personal reach system with improved paging capabilities |
| 07/25/2001 | CN2440234Y Alarm and door-bell convertion apparatus for anti-theft door and wooden door |
| 07/25/2001 | CN2440111Y Viewing window integrated with door bell |
| 07/18/2001 | CN2439694Y Long distance automatic calling device for telling uncovered-with-quilt of child or bed-wetting |
| 07/17/2001 | USRE37281 Battery voltage alarm apparatus |
| 07/17/2001 | US6262671 Pager having bar code reader |
| 07/12/2001 | US20010007441 Reminder system |
| 07/11/2001 | CN2439144Y Articles away remote alarmer |
| 07/10/2001 | US6259355 Patient care and communication system |
| 07/04/2001 | CN2438188Y Remote controller |
| 07/04/2001 | CN1302501A Visual alarm for communication module |
| 07/04/2001 | CN1302459A Electric appliance with battery holder |
| 07/03/2001 | US6253420 Clamping assembly |
| 06/26/2001 | US6252496 Animal warning alarm device |
| 06/26/2001 | US6252336 Combined piezoelectric silent alarm/battery charger |
| 06/21/2001 | WO2001043576A1 Belt clip with improved flange |
| 06/20/2001 | EP0925644A4 A sounder control system |
| 06/19/2001 | US6249222 Method and apparatus for generating color based alerting signals |
| 06/13/2001 | CN2434742Y Student's seating posture indicator |
| 06/12/2001 | US6246984 Device having functionality means supported by ancillary message reproduction means |
| 06/12/2001 | US6246761 Automatic volume control for a telephone ringer |
| 06/07/2001 | WO2001040928A1 Radio based proximity token with multiple antennas |
| 06/07/2001 | WO2001040906A2 Method of determining distance between two electronic devices |
| 05/31/2001 | WO2001037695A1 Multi-function belt clip assembly |
| 05/30/2001 | CN1066595C Selective call receiver |
| 05/23/2001 | CN2431602Y Portable warning device for calling for help |
| 05/23/2001 | CN1296244A Apparatus for providing warning signal in skin contact type terminal and control method thereof |
| 05/17/2001 | WO2001035470A1 Combined piezoelectric silent alarm/battery charger |
| 05/16/2001 | EP1100060A2 Apparatus for providing thermal alert signal and control method thereof in skin-contact type terminal |
| 05/16/2001 | EP1099264A1 Electrical appliance with battery holder |
| 05/16/2001 | CN2430315Y Fixing board for mounting automobile instrument |
| 05/10/2001 | WO2001033887A1 Portable data system |
| 05/10/2001 | WO2001033748A1 Dual rf/ir communication device and method of use thereof |