Patents for G08B 3 - Audible signalling systems; Audible personal calling systems (6,083) |
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12/08/1992 | US5170487 Paging system with multiple frequencies and multiple protocols |
12/02/1992 | EP0464142A4 Paging terminal apparatus with user selectable page forwarding capability and methodology therefor |
12/02/1992 | CN2123789U Alarm for baby kick quilt |
12/02/1992 | CN2123788U Coding music door bell |
12/01/1992 | US5168271 Paging and time keeping system with transmission of time slot identification used for synchronization |
11/26/1992 | DE4116935A1 Door-bell installation esp. for multi-dwelling building - conveys coded calls from outdoor key=pad via mains wiring to corresp. coded pluggable receivers in apartments |
11/25/1992 | EP0455724A4 A programmable multi-address pager receiver and method of characterizing same |
11/25/1992 | CN2123095U Far-infrared alarm for prevention of closing electricity |
11/25/1992 | CN2123094U Multi-functional alarm health box |
11/25/1992 | CN2122901U Dialogue door bell with electric control lock |
11/25/1992 | CN2122608U Multi-functional induction vision protector |
11/19/1992 | EP0513113A1 Method for transferring messages in a one-way communication system. |
11/17/1992 | CA1310372C Paging receiver with a capability of receiving message data |
11/12/1992 | WO1992020049A2 User-programmable voice notification device for security alarm systems |
11/11/1992 | CN2121718U Siren putting on head |
11/11/1992 | CN2121229U First-aid box alarm device |
10/29/1992 | WO1992018956A1 Personnel location monitoring system |
10/28/1992 | CN2120360U Alarm when children kicking away quilts |
10/28/1992 | CN2119906U Preventive myopia instrument |
10/28/1992 | CN1065744A Vehicle horn with electronic solid state energizing circuit |
10/27/1992 | US5159713 Watch pager and wrist antenna |
10/27/1992 | US5159624 Communication system for transmitting to a portable receiver data indicative of received image or voice signals |
10/21/1992 | EP0509840A2 Sounding device |
10/21/1992 | CN2119706U Lighting button door bell |
10/21/1992 | CN2119687U Earpiece type head position alarm |
10/20/1992 | US5157391 Apparatus and method for displaying a plurality of function indicators in a selective call receiver |
10/20/1992 | US5157378 For use with a firefighter's breathing system |
10/14/1992 | EP0508866A1 Navigation apparatus for the detection of radar |
10/14/1992 | EP0435964A4 Energy saving protocol for a communication system |
10/14/1992 | CN2119013U Alarm for keeping baby from cold |
10/13/1992 | WO1992018955A1 Vehicle horn with electronic solid state energizing circuit |
10/07/1992 | EP0344149B1 System for over-the-air reprogramming of communication receivers |
10/06/1992 | US5153584 Miniature multilead biotelemetry and patient location system |
10/06/1992 | US5153579 Pager receiver |
10/01/1992 | WO1992017006A1 Selective call receiver with secured message presentation |
09/30/1992 | EP0506179A1 Housing for a pager |
09/30/1992 | CN2117634U Calling arrangement for preventing thieves in high buildings |
09/30/1992 | CN2117078U Electric heating bedding controlling alarm |
09/29/1992 | US5151680 Speaker driver |
09/29/1992 | US5150954 Pager watch system utilizing time slot communication |
09/23/1992 | EP0505001A1 Paging system suitable for checking the operation of portable paging devices of the system |
09/23/1992 | EP0504303A1 Selective call receiver theft protection device |
09/22/1992 | CA1307830C Paging receiver with programmable areas of reception |
09/16/1992 | CN2116252U Anti-loss radio alarm |
09/16/1992 | CN2115783U Necklace-type protector for vision |
09/16/1992 | CN2115782U Warning device for near vision |
09/15/1992 | US5148160 Radio communication apparatus for rapidly knowing whether the apparatus is within or out of a service area |
09/09/1992 | EP0502419A2 Pager |
09/09/1992 | CN2115561U Improved watch type alarm |
09/09/1992 | CN2115559U Coded box with alarm |
09/09/1992 | CN2115558U Self whistling alarm |
09/09/1992 | CN2115094U Instrument for protecting student's vission and shape |
09/02/1992 | EP0501282A1 Selective pager receiver |
09/02/1992 | CN2114857U Mine use languang safety alrm device |
08/26/1992 | EP0500042A1 Radio pager |
08/26/1992 | CN2114194U Loss and theft proof alarm for boxes and bags |
08/23/1992 | WO1992015178A1 Multiple format signalling protocol for a selective call receiver |
08/19/1992 | EP0499247A1 Radio pager with power-backup memory for storing uncompleted messages |
08/19/1992 | EP0499246A2 Radio pager and method of writing information in ROM of the radio pager |
08/19/1992 | CN2113522U Coldproof alarm device for baby sleeping |
08/19/1992 | CN2113521U Alarm for baby bed-wetting |
08/18/1992 | US5140561 Method for erasing information stored in radio pager |
08/18/1992 | US5140308 Radio automatic alarm transfer system |
08/16/1992 | CA2036487A1 Warning device for a bicycle |
08/12/1992 | CN2112906U Electronic multi-function socket |
08/12/1992 | CN2112865U Theft-proof alarm device |
08/12/1992 | CN2112864U Eletronic door bell with earthquake warning device |
08/12/1992 | CN2112863U Miniature theft-proof alarm |
08/12/1992 | CN2112391U Automatic first-aid kit for serious patient |
08/12/1992 | CN2112305U Metal film theft-proof briefcase |
08/11/1992 | CA1306290C Selective paging system and paging receiver therefor |
08/05/1992 | CN2112180U Safety electronic button |
07/29/1992 | EP0496623A2 Paging system its operating method |
07/29/1992 | CN2111540U Electronic automatic reporting machine for baby's temp. and humidity |
07/22/1992 | CN2110899U Music alarm for bad sitting posture |
07/22/1992 | CN2110473U First-aid plate |
07/22/1992 | CN2110399U Theft and loss preventing alarm wallet |
07/21/1992 | CA1305527C Speaker driver |
07/15/1992 | EP0494232A1 A non-contact pager programming system and a pager for use therewith. |
07/15/1992 | CN2110250U Vision protector |
07/15/1992 | CN2110249U Card siren |
07/14/1992 | US5130696 Sound-generating containment structure |
07/14/1992 | CA1305221C Pager receiver helpful for effective use of call numbers |
07/14/1992 | CA1305220C Nationwide radio paging system |
07/08/1992 | EP0493973A1 Radio pager tone alarm circuit for generating variable duty constant audio frequency pulses modulated with unique tone pattern |
07/07/1992 | US5128938 Energy saving protocol for a communication system |
07/07/1992 | US5128651 School bus alarm system |
07/07/1992 | CA1304787C Radio pager having a light-emitting diode for providing visual alarm and signal transmission |
07/01/1992 | CN2108963U Key ring with mustic alarm |
07/01/1992 | CN2108962U Key ring capable of preventing mayopia |
06/30/1992 | CA2058536A1 Radio pager tone alarm circuit for generating variable duty constant audio frequency pulses modulated with unique tone pattern |
06/30/1992 | CA1304452C Radio pager receiver capable of readily checking whether or not memory backup is correct |
06/30/1992 | CA1304451C Multi-alert radio paging receiver |
06/25/1992 | WO1992010401A1 Signalling device |
06/24/1992 | EP0491108A1 Voice pager |
06/24/1992 | CN2108334U Near sight reminder |
06/17/1992 | CN2107681U Multi-purpose micro-current ac/dc signal response device |
06/17/1992 | CN2107680U Three-in-one controller for kitchen calling, door-bell, theft-proof alarm |
06/10/1992 | EP0489467A1 System for detecting the presence in a rack of a portable unit suitable for transmitting or receiving a signal having an assigned identification number |
06/10/1992 | CN2106607U Medicines box with a electronic device calling for help |