| Patents for G08B 3 - Audible signalling systems; Audible personal calling systems (6,083) |
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| 07/19/2000 | EP1020062A1 Visual alarm for a communication module |
| 07/19/2000 | CN1054722C Paging receiver and method of controlling same |
| 07/12/2000 | CN2387598Y Door bell for anti-theft door |
| 07/11/2000 | US6088593 Two-way paging system and apparatus |
| 07/05/2000 | CN2385705Y Safety first-aid card for old people |
| 07/05/2000 | CN1258904A Sound generator: piezoelectric buzzer on flexiable and tightening surface of inflated material |
| 07/04/2000 | US6084316 Motorized adjusting device |
| 06/28/2000 | EP1012793A1 System and method for locating individuals and equipment, airline reservation system, communication system |
| 06/28/2000 | EP0742931A4 Method and apparatus for energy conservation in a communication system |
| 06/28/2000 | CN2385392Y Voice prompting device |
| 06/27/2000 | US6081201 Selective call receiving apparatus with multi-call-alarming units |
| 06/27/2000 | US6081200 Single ID radio pager for receiving traffic status data |
| 06/27/2000 | US6081184 Self-protected, low emission electronic device for driving a warning horn |
| 06/14/2000 | CN2383160Y Alarm door bell |
| 06/13/2000 | US6075998 Communication apparatus capable of announcing reception of a call by a melody sound composed by a user |
| 06/13/2000 | US6075456 Method of and apparatus for indicating location of lost or misplaced paging receiver and its owner's telephone number |
| 06/13/2000 | US6075450 Audible warning device with restrainable, shock-activated cocked mechanism |
| 06/13/2000 | US6073318 Retaining clip assembly |
| 06/06/2000 | US6072392 Apparatus and method for monitoring and recording the audible environment of a child, patient, older person or pet left in the care of a third person or persons |
| 06/02/2000 | WO2000031703A1 Self-sounding commodities monitoring device |
| 05/31/2000 | EP1003397A1 Clamping assembly |
| 05/31/2000 | EP0733247A4 A siren unit |
| 05/31/2000 | CN1255026A Selective calling receiver and method for alarm operation of switching it |
| 05/30/2000 | US6070053 Radio communication system including independent calling sound notification |
| 05/30/2000 | US6069569 Radio pager |
| 05/24/2000 | CN1254431A Melodic alerts for communications device |
| 05/24/2000 | CN1052845C Battary compartment door and latch having longitudinal snaps |
| 05/24/2000 | CN1052656C Infusion monitoring reporter |
| 05/23/2000 | US6067006 Personal audible alarm |
| 05/10/2000 | CN2377630Y Portable multifunction salvage device |
| 05/10/2000 | CN2377629Y Wireless remote-controlled vibration door bell |
| 05/10/2000 | CN1252250A Furniture with sound device |
| 05/09/2000 | US6061459 Surface-mounted electromagnetic sound generating body |
| 05/03/2000 | CN1052086C Call information device for radio receiver |
| 05/02/2000 | US6057780 Method of writing information in ROM of a radio pager |
| 04/26/2000 | CN2376019Y Combined speech life first-aid apparatus |
| 04/19/2000 | CN1251247A System for alerting portable communication device user of incoming call |
| 04/12/2000 | CN2373839Y Audio signalling guard device for engine |
| 04/06/2000 | WO2000019388A1 Digital enunciator for communication system |
| 04/05/2000 | EP0991043A1 Electronic signs for mobile information devices |
| 04/05/2000 | CN2372732Y Intelligent speech alarm device |
| 03/22/2000 | EP0879452B1 Door bell for pets |
| 03/22/2000 | CN2370482Y Computer speech prompter |
| 03/21/2000 | US6040782 Radio signal receiving apparatus with audio signal receiving and reproducing function |
| 03/16/2000 | WO2000014692A1 Actuable audible display for bicycle handlebars |
| 03/15/2000 | CN2369301Y Electronic smoking inhibition sign |
| 03/08/2000 | CN2368092Y Multifunction anti-theft alarming lock |
| 03/01/2000 | EP0653086B1 Device for the monitoring of a critical deadline |
| 02/29/2000 | US6032058 Cellular mobile telephone apparatus and an alarm device therefor |
| 02/29/2000 | US6029871 Cradle device having rotating hinge in pager |
| 02/24/2000 | WO2000010145A1 Apparatus and method for monitoring and recording the audible environment |
| 02/22/2000 | US6029049 Wireless selective call receiver with speech notice function in which power supply voltage is determined in loading state |
| 02/22/2000 | US6028504 Removable door chime |
| 02/09/2000 | CN2363323Y Intelligent radio phonemic warner |
| 02/02/2000 | CN1243296A Fire-condition control and indication apparatus |
| 01/27/2000 | WO2000004522A1 Electronic band tag and method of storing id information therein |
| 01/26/2000 | CN1242677A Apparatus and method for receiver interleaved selective calling signal |
| 01/26/2000 | CN1048847C Pictorial display apparatus for receivers for implementing the pictorial display |
| 01/25/2000 | USRE36530 Method for receiving and transmitting optical data and control information to and from remotely located receivers and transmitters in an optical locator system |
| 01/20/2000 | DE19831636A1 Door protection system with lock mechanism including synthetic speech module that is activated by contact |
| 01/19/2000 | EP0973316A2 System and method of dispatching an individual in a transaction establishment |
| 01/19/2000 | CN2359753Y 电子门铃 Electronic doorbell |
| 01/18/2000 | CA2107610C Personnel and equipment locator system |
| 01/12/2000 | EP0551289B1 Communication receiver providing displayed operating instructions |
| 01/12/2000 | CN2358506Y Reminder for opening or closing door |
| 01/11/2000 | CA2109170C Method of saving power consumption in a battery-operated pager receiver |
| 01/05/2000 | EP0968599A2 System for alerting portable communication device user of incoming call |
| 01/04/2000 | CA2140130C Radio data interface device |
| 12/29/1999 | CN2356377Y Portable signal device |
| 12/29/1999 | CN2356103Y Signal and speech sound alarm device |
| 12/28/1999 | CA2108867C Radio pager with an electronic memorandum function |
| 12/23/1999 | WO1999054853A8 Method and system for locating subjects within a tracking environment |
| 12/22/1999 | CN2355378Y Intellectual door ring |
| 12/21/1999 | US6005478 Siren unit |
| 12/18/1999 | CA2270275A1 System and method of dispatching an individual in a transaction establishment |
| 12/15/1999 | CN2354190Y Alarming device |
| 12/15/1999 | CN2353347Y Wrist-type calling-for-help device for patient suffering from coronary disease |
| 12/09/1999 | DE19824229A1 Personnel localization system for medical arrangement |
| 12/08/1999 | EP0962001A2 Melodic alerts for communications device |
| 12/08/1999 | CN2352998Y Device for alarming user not to lose his(her) articles |
| 12/07/1999 | US5996184 Clip for portable electronic devices |
| 12/01/1999 | CN2351329Y Vehicle acoustic signal device |
| 11/24/1999 | CN1236274A Radio selective-calling receiver with deferring function informing received contents and method thereof |
| 11/23/1999 | US5990797 Ultraloud smoke detector |
| 11/23/1999 | US5990784 Schmitt trigger loud alarm with feedback |
| 11/17/1999 | CN1235490A Radio selective-calling receiver |
| 11/17/1999 | CN1046613C Selective calling receiver capable of stopping notifying operation by touching chain clip |
| 11/16/1999 | US5986567 Selectively called wireless receiver with automatically selectable output |
| 11/16/1999 | US5986540 Sound signal generating device |
| 11/14/1999 | CA2269542A1 Wireless, direct remote control, dc battery operated siren or compressed air powered horn, manually activated security alarm |
| 11/11/1999 | DE19819998A1 Vorrichtung zur Erzeugung von Geräuschen An apparatus for generating noises |
| 11/10/1999 | EP0955626A2 Device for generating the noise of technical apparatus |
| 11/03/1999 | CN2346339Y Cup |
| 10/28/1999 | WO1999054853A1 Method and system for locating subjects within a tracking environment |
| 10/27/1999 | CN2345218Y Calling apparatus used with medical infusion |
| 10/26/1999 | US5973591 Electronic signaling system |
| 10/21/1999 | WO1999053455A1 Method of producing alarm signals |
| 10/19/1999 | US5969932 Power surge protection assembly |
| 10/19/1999 | US5969635 Radio paging receiver in which announcement of a call is controlled in accordance with a form of a received signal |
| 10/19/1999 | US5969593 Animal warning system employing ultrasonic sounds and infrared or ultraviolet light flashes |