| Patents for G08B 3 - Audible signalling systems; Audible personal calling systems (6,083) |
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| 03/08/1994 | CA2039850C Method for erasing information stored in radio pager |
| 03/02/1994 | CN2158113Y Audible calling device for monitoring limited space |
| 03/02/1994 | CN2158112Y Warming instrument for something lost |
| 03/02/1994 | CN1083290A Receiver for local calls with low energy consumption |
| 03/01/1994 | US5291192 Paging system and its operating method with repeated transmission |
| 03/01/1994 | US5291183 Multi-functional alarming system |
| 03/01/1994 | CA2105115A1 Supervised personnel monitoring system |
| 02/23/1994 | EP0583623A1 Arrangement for and method of locating an object or person within a geographical area, and localization transmitter and receiver suitable for the same |
| 02/23/1994 | CN2157551Y Sleeping cold alarm device for child |
| 02/23/1994 | CN2157550Y Desperate patient's voice help calling device |
| 02/23/1994 | CN2156717Y Music reminding key-ring |
| 02/23/1994 | CN1082744A Carrier wave access device |
| 02/23/1994 | CN1082743A Fall sensor |
| 02/22/1994 | US5289178 Sensitivity indicator for a radio receiver and method therefor |
| 02/17/1994 | WO1994003878A1 Programmable document clip |
| 02/16/1994 | EP0252939B1 Paging receiver with lpc speech synthesizer |
| 02/16/1994 | CN2156549Y Multi-function language learning apparatus |
| 02/16/1994 | CN2156544Y Remiding device for losing-proof |
| 02/16/1994 | CN1082275A Receiver for local calls |
| 02/15/1994 | US5287099 Multi-alert radio paging system |
| 02/09/1994 | CN1081803A Radio data interface device |
| 02/03/1994 | WO1994003018A1 Radio data interface device |
| 02/02/1994 | EP0581214A1 Electronic warning device for the dispersal of animals |
| 02/01/1994 | US5283832 Paging message encryption |
| 02/01/1994 | US5283570 Multiple format signalling protocol for a selective call receiver |
| 01/26/1994 | CN2154028Y Chest-wear type sitting prompting apparatus |
| 01/19/1994 | CN2153833Y Dual-purpose speech sounds door bell |
| 01/19/1994 | CN2153832Y Alarm for baby sleeping in case of explosing to air |
| 01/19/1994 | CN2153831Y Alarm for running water |
| 01/19/1994 | CN2153369Y Automatic alarm device for medical hanging bottle infusion |
| 01/19/1994 | CN2153249Y 安全钮扣 Safety Button |
| 01/12/1994 | EP0578374A1 Method and apparatus for providing a personal locator, access control and asset tracking service using an in-building telephone network |
| 01/12/1994 | CN2153095Y Health apparatus for preventing myopia |
| 01/12/1994 | CN2152522Y Pocket medical rescue beacon |
| 01/11/1994 | US5278539 Alerting and warning system |
| 01/11/1994 | US5278537 Electronic alarm for avoiding collision with animals in a non-destructive manner |
| 01/11/1994 | CA2052362C Radio communication apparatus capable of producing an announce with a reduced error |
| 01/05/1994 | CN2152252Y Electronic article-finding and defending device |
| 01/05/1994 | CN2152251Y Prompting device for regulating analysis language in industrial process |
| 01/05/1994 | CN2152250Y Alarm for baby quilt-kick off and bed-wetting |
| 01/05/1994 | CN2152249Y Electronic language calling first-aid box |
| 01/05/1994 | CN2152248Y Language announcing device for automobile traffic accident |
| 12/14/1993 | US5270702 Battery door for a selective call receiver |
| 12/08/1993 | EP0572415A1 Multiple format signalling protocol for a selective call receiver |
| 12/07/1993 | CA1325040C Paging apparatus without a power switch |
| 12/01/1993 | EP0571848A1 Local paging receiver |
| 12/01/1993 | EP0571847A1 Pager with low power consumption |
| 12/01/1993 | CN1079086A Power savwing operation method of caller and caller operated by power saving method |
| 12/01/1993 | CN1079066A Alarm for kick-off quilt by child when sleeping |
| 11/30/1993 | US5266920 Magnet for use on a refrigerator or the like |
| 11/30/1993 | US5266919 Tone generator for use with hearing aids |
| 11/28/1993 | CA2095961A1 Receiver for local calls |
| 11/28/1993 | CA2095960A1 Receiver for local calls with low energy consumption |
| 11/24/1993 | CN2147605Y Multi-function teaching aid |
| 11/24/1993 | CN2147600Y Warning safety device for vehicle over-speed automatic display |
| 11/24/1993 | CN2147593Y Language sound positioning alarm |
| 11/24/1993 | CN2147563Y Multi-function alarm clock |
| 11/23/1993 | US5264841 Paging apparatus equipped with a clock function |
| 11/23/1993 | US5264824 Audio emitting tread mat system |
| 11/17/1993 | CN2146745Y Electronic eyesight protector |
| 11/16/1993 | US5262757 Electronic signaling device for bicycles and the like |
| 11/10/1993 | EP0560811A4 Signalling device |
| 11/09/1993 | US5260681 Paging receiver with resonant box |
| 11/03/1993 | CN2145411Y Infrared controllor for water boiling of electric heating |
| 11/03/1993 | CN2145410Y Double-voice electric loudspeaker for automobile |
| 11/02/1993 | US5258751 Method of presenting messages for a selective call receiver |
| 11/02/1993 | US5258739 Efficient message storage within a selective call receiver |
| 10/28/1993 | WO1993021613A1 Self-tuning vehicle horn |
| 10/27/1993 | CN2144836Y Signal SOS device for danger in mountain |
| 10/27/1993 | CN2144835Y Electronic door bell with leaving message device |
| 10/27/1993 | CN2144687Y Electronic device for alarm lock with door bell |
| 10/26/1993 | US5257012 Device for repelling pests |
| 10/20/1993 | CN2144327Y Ultra-thin type urinating wet alarm |
| 10/20/1993 | CN2144326Y Automatic calling apparatus for help |
| 10/13/1993 | EP0565180A2 A method of time measurement in a communications system, a communications system and a receiving apparatus for use in the system |
| 10/12/1993 | US5252964 Non-contact pager programming system and a pager for use therewith |
| 10/06/1993 | CN2143346Y Sounder for door bell and water level monitor |
| 10/06/1993 | CN1077041A 近视预防器 Myopia prevention device |
| 09/29/1993 | EP0554384A4 Selective call receiver with decoder controlled filters |
| 09/29/1993 | EP0538406A4 Paging system |
| 09/29/1993 | CN1076819A Paging receiver and method of controlling the same |
| 09/28/1993 | US5248264 Latch assembly and carrier for a portable product |
| 09/22/1993 | EP0560948A1 Method of personally addressed communication, information, guidance and quick processing of the procedures in the airports |
| 09/22/1993 | EP0560811A1 Signalling device. |
| 09/22/1993 | CN1076517A Extiction or gas leak alarm for gas stove |
| 09/15/1993 | CN2142012Y Multi-function first-aid watch for heart diseases |
| 09/15/1993 | CN2142011Y Alarm first-aid medicine box with words recording apparatus |
| 09/14/1993 | US5245694 User-programmable voice notification device for security alarm systems |
| 09/14/1993 | US5245315 Fiber optic escalator handrail intrusion detector shield |
| 09/14/1993 | US5245245 Electronic device capable of providing a vibratory alert |
| 09/14/1993 | US5244755 Battery compartment door and latch having longitudinal snaps |
| 09/08/1993 | EP0559554A1 Control system for device with autonomous blocks of sound alarm |
| 09/07/1993 | US5243327 Audible alarm for motion detection using dual mode transducer |
| 09/07/1993 | CA2067764C Message reminder alert for selective call receiver |
| 09/01/1993 | CN2141580Y Ear carrying micro sight protector |
| 08/31/1993 | US5241305 Paper multi-level group messaging with group parsing by message |
| 08/25/1993 | EP0556575A1 Person location system |
| 08/25/1993 | EP0556277A1 Dual mode electronic identification system |
| 08/25/1993 | CN2141099Y Automatic calling for help health box |
| 08/25/1993 | CN2140646Y Single-piece electronic key box |