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