Patents for G08B 3 - Audible signalling systems; Audible personal calling systems (6,083) |
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08/31/1994 | CN2175953Y Reminding device |
08/24/1994 | EP0611465A1 Method of presenting messages for a selective call receiver |
08/24/1994 | CN2175436Y Door controled automatic calling device |
08/18/1994 | WO1994018760A1 Select call receiver |
08/18/1994 | WO1994017691A2 Signal generating devices |
08/17/1994 | EP0346406B1 Paging receiver for storing digitized voice messages |
08/17/1994 | CN2174745Y Remote-control door bell |
08/17/1994 | CN2174744Y Signalling device for moist |
08/10/1994 | CN2173973Y Automotive ignition lock's key untake-off alarm device |
08/04/1994 | WO1994009479A3 Alarm systems |
08/03/1994 | CN2173426Y Alarm for keeping head at right position |
08/02/1994 | CA1331207C Paging receiver with a message selecting circuit |
07/27/1994 | CN2172888Y Multi-sound electronic door bell with music |
07/27/1994 | CN2172887Y Locating alarm |
07/27/1994 | CN2172886Y Miniature urine-wet alarm for babies |
07/27/1994 | CN2172885Y Programmable alarm explaining device |
07/27/1994 | CN1090103A Electronic device having an integral battery door/belt clip element |
07/27/1994 | CN1090075A Pivotable display head for an electronic device |
07/26/1994 | US5333272 Warning timer for users of interactive systems |
07/26/1994 | US5332994 Radio pager with power-backup memory for storing uncompleted messages |
07/26/1994 | CA2098489C Multiple format signalling protocol for a selective call receiver |
07/26/1994 | CA2019549C Control apparatus for a call reminder in a paging system |
07/21/1994 | WO1994016418A1 Transducer apparatus responsive to external perturbation |
07/21/1994 | WO1994015573A1 A memory-type recording/playback device used by fitting a milk bottle therein |
07/21/1994 | CA2152801A1 Transducer apparatus responsive to external perturbation |
07/20/1994 | CN2172500Y Anti-loss card clip with sounding indication |
07/19/1994 | US5331317 Selective call receiver having anti-theft disablement |
07/13/1994 | EP0593455A4 Selective call receiver having anti-theft protection |
07/13/1994 | CN2171887Y Automatic alarm life shoes |
07/13/1994 | CN1089379A Door bell message-leaving machine |
07/06/1994 | CN2171140Y Door bell with computer |
07/06/1994 | CN2170671Y Theft-proof purse with whistling device |
07/06/1994 | CN1089009A Lock set with self-contained door alarm and annunciator system |
07/05/1994 | US5327115 Programmable document clip |
06/29/1994 | EP0572415A4 Multiple format signalling protocol for a selective call receiver |
06/29/1994 | CN2170573Y Convertor for induction of outside disturbance |
06/29/1994 | CN2170542Y Traffic command prompting apparatus |
06/29/1994 | CN2170541Y Small alarm |
06/22/1994 | CN2169881Y Infrared alarm for kicking-off quilt |
06/22/1994 | CN2169460Y Electronic bird for heralding the break of day which immitating the speak of people |
06/21/1994 | US5323456 Digitally controlled ringer signal generation |
06/16/1994 | DE4241215A1 Supplying current to HF receiver from prim. or sec. cell battery - controlling PLL frequency processing circuit using control signal provided by squelch circuit |
06/15/1994 | CN2169164Y Reminder for closing door |
06/15/1994 | CN2169163Y Reading and writing apparatus against myopia |
06/14/1994 | US5321396 Indexing of audio/video data |
06/08/1994 | EP0600678A1 Casing for a miniature portable apparatus |
06/08/1994 | CN2168315Y Penlike whistle-sound alarm |
06/08/1994 | CN2168296Y Electronic speech-sound prompting devce |
06/07/1994 | US5319349 Pager safety system |
06/01/1994 | CN2167413Y Multi-function telling device for persons when working in office |
06/01/1994 | CN2167412Y Alarm for telling being cold for children when sleeping |
06/01/1994 | CN2166802Y Language first-aid alarm for heart disease patients |
06/01/1994 | CN1087434A Patting type door bell |
05/31/1994 | US5317309 Dual mode electronic identification system |
05/31/1994 | US5317308 Communications receiver |
05/26/1994 | WO1994011909A1 Sliding battery door having belt clip thereon for portable electronic devices |
05/25/1994 | CN2166482Y Warning device for near sight |
05/18/1994 | EP0597308A2 A method of saving power consumption in a battery operated pager receiver |
05/18/1994 | CN2165485Y Automatic power safety production monitoring and warning plate |
05/18/1994 | CN2165484Y Music calling device for being wetted by urine |
05/18/1994 | CN2165006Y Miniature portable myopia preventing device |
05/11/1994 | WO1994010709A1 Battery compartment door and latch having longitudinal snaps |
05/10/1994 | US5311185 Supervised personnel monitoring system |
05/10/1994 | US5311168 Lock set with self-contained door alarm and annunciator system |
05/04/1994 | CN2164077Y Myopia-preventing alarm |
05/04/1994 | CN2164076Y Quilt-kicking warner |
05/04/1994 | CN2164045Y Sounding control circuit with heating elements |
05/04/1994 | CN2163621Y Baby bed-wetting warning device |
05/04/1994 | CN1086332A Multifunction door bell |
05/03/1994 | US5309153 Adaptive on-off control for radio receiver |
05/03/1994 | CA1329237C Paging apparatus with improved message display function |
04/28/1994 | WO1994009479A2 Alarm systems |
04/27/1994 | EP0594430A1 Radio pager |
04/27/1994 | EP0593455A1 Selective call receiver having anti-theft protection |
04/27/1994 | CN2163418Y Electronic sounding forging-proof trademark |
04/27/1994 | CN2163406Y Gas source alarm |
04/27/1994 | CN2163405Y Multifunction music bed-wetting alarm |
04/27/1994 | CN2163184Y Self-rotating alarm in use for leakage of dewatering motor |
04/26/1994 | US5307520 Watch type paging receiver |
04/20/1994 | CN2162680Y Siren for baby wet by urine |
04/20/1994 | CN2162679Y Automatic sound alarm device for dust full of dust collector |
04/19/1994 | US5304986 Battery voltage alarm apparatus |
04/19/1994 | US5303677 Pet entrance pager |
04/12/1994 | US5303416 Method and apparatus for adjusting peak and valley acquisition rates of a signal received by a radio communication device |
04/12/1994 | US5302055 Signalling device |
04/06/1994 | CN2160951Y Water overflow prevention alarm for solar water heater |
04/06/1994 | CN2160950Y Phonetic protection warning board |
04/06/1994 | CN2160949Y Multifunctional electronic music alarm |
03/30/1994 | CN2160132Y Electronic sound caller with emergency medicine case |
03/23/1994 | CN2159596Y Wireless alarm against being lost and stolen |
03/22/1994 | US5296840 Programmable emergency signalling system for a vehicle |
03/16/1994 | CN2159045Y Door bell capable of leaving one's comments |
03/16/1994 | CN2159044Y Myopia-protective alarming desk and chair |
03/16/1994 | CN2159043Y Electronic warner for reading and writing position |
03/16/1994 | CN2159042Y Code signal wireless telecontrol door bell |
03/11/1994 | CA2104245A1 Lock set with self-contained door alarm and annunciator system |
03/09/1994 | EP0586230A2 Supervised personnel monitoring system |
03/09/1994 | CN2158552Y Electronic door bell being able to let users to talk |
03/09/1994 | CN2158551Y Door bell with function of illuminating |
03/08/1994 | US5293149 Vehicle horn with electronic solid state energizing circuit |