| Patents for G08B 3 - Audible signalling systems; Audible personal calling systems (6,083) |
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| 06/23/2004 | CN2621009Y Cup with acoustical controlled device |
| 06/23/2004 | CN1155266C Method of informing about location of missing paging receiver and its owner's telephone number |
| 06/16/2004 | EP1428186A1 Alarm system |
| 06/15/2004 | US6750759 Annunciatory signal generating method and device for generating the annunciatory signal |
| 06/09/2004 | CN1153478C Radio selection calling receiver |
| 06/03/2004 | WO2004047482A2 A high intensity directional electroacoustic sound generating system for communications targeting |
| 06/03/2004 | DE10355096A1 Drathloses Personensuchgerät Drathloses paging device |
| 05/27/2004 | WO2004044859A1 Warning unit |
| 05/27/2004 | US20040100377 Wireless subject locator |
| 05/27/2004 | DE10353224A1 Control circuit for lamp elements of door intercom system using parallel switch element for selective short-circuit of each lamp element |
| 05/21/2004 | WO2004034187A3 Selective message broadcasting system |
| 05/20/2004 | US20040095254 Door bell answering system |
| 05/19/2004 | EP1420374A1 Adverse condition detector having modulated test signal |
| 05/19/2004 | EP1419757A2 Medical equipment controller |
| 05/19/2004 | DE202004004221U1 Door bell system has module that fits into carrier fixed to wall and has pre recorded door chime sounds |
| 05/13/2004 | US20040090325 Adverse condition detector having modulated test signal |
| 05/06/2004 | EP1414590A1 Signal horn with adaptively modifiable operating variables |
| 05/06/2004 | DE20320200U1 Signal receiver/sender unit for wake-up and alarm signals is lodged in the auditory canal of a user's ear, and is capable of receiving/sending out signals received from another sender |
| 05/05/2004 | CN2614353Y Timed prompting alarm |
| 04/28/2004 | EP1414022A1 Annunciator |
| 04/28/2004 | CN2613837Y Phonetic blind guiding device used in public traffic bus station |
| 04/28/2004 | CN2613836Y Electronic self-desense calling device |
| 04/22/2004 | WO2004034187A2 Selective message broadcasting system |
| 04/22/2004 | US20040075574 Sound communication |
| 04/22/2004 | US20040075536 Handle with sound and light effects |
| 04/21/2004 | EP1410651A1 System for real-time location of people in a fixed environment |
| 04/21/2004 | CN1490768A Doorbell device with acoustic image pick and transmission |
| 04/15/2004 | WO2004032078A2 Method and apparatus for indicating activation of a smoke detector alarm |
| 04/15/2004 | WO2003104108A8 Package provided with a sound-reproducing device |
| 04/14/2004 | CN2611996Y Antitheft warner |
| 04/13/2004 | US6720867 Method and apparatus for alerting basketball fans of successful three point shots |
| 04/08/2004 | US20040067733 Selective message broadcasting system |
| 04/07/2004 | EP1405293A1 Warning unit |
| 04/07/2004 | CN1145268C Radio receiver capable of adjusting regenerating speed of voice signal |
| 04/07/2004 | CN1145121C Method and apparatus for notification based on distance in bidirectional radio communication system |
| 04/01/2004 | US20040060944 Theft deterring shelf aid dispensing device |
| 04/01/2004 | DE20217878U1 Ansteuerschaltung für elektrische Funktionselemente in Zweidraht-Hauskommunikationsgeräten A drive circuit for electrical functional elements in two-wire-house communications equipment |
| 03/30/2004 | CA2276431C Beeper holder |
| 03/09/2004 | US6702506 Belt clip for portable electronic equipment |
| 03/03/2004 | EP1028684B1 Medical equipment controller |
| 03/03/2004 | CN2605615Y Voice prompting device for safety warning |
| 02/25/2004 | CN2604759Y Memorandum words-leaving machine with special identification attention |
| 02/25/2004 | CN2604700Y Dozeproof glasses |
| 02/25/2004 | CN2604684Y Non-contact liquid inductor |
| 02/24/2004 | US6697647 Cellular mobile telephone apparatus and an alarm device therefor |
| 02/24/2004 | US6696926 Audible floor call recording method and braille information notification device |
| 02/19/2004 | US20040034689 Wireless community alerting system |
| 02/17/2004 | US6693532 Alarm system having improved communication |
| 02/17/2004 | US6693512 Device location and identification system |
| 02/12/2004 | US20040030494 Method and arrangement for guiding a user along a target path |
| 02/12/2004 | DE20315547U1 Receiving cup for an acoustic signal warning device for machines or vehicles, has piezo element vertically mounted on an inclined plane membrane |
| 02/10/2004 | US6691000 Robot-arm telemanipulating system presenting auditory information |
| 02/04/2004 | CN2602439Y Door bell die set integrating image and sound acquisition and transmission |
| 02/04/2004 | CN1137453C Self-sounding commodities monitoring device |
| 02/03/2004 | US6686833 Compound acoustic actuator drive circuit and portable information terminal |
| 01/22/2004 | WO2004007097A1 Acoustic-signal emitting device for vehicles |
| 01/22/2004 | CA2488603A1 Acoustic-signal emitting device for vehicles |
| 01/21/2004 | CN1135862C Equipment and method for receiving interleaved selective calling signals |
| 01/21/2004 | CN1135508C Apparatus for providing thermal waning signal in skin contact type terminal and control method thereof |
| 01/14/2004 | CN1134996C Telephone apparatus |
| 01/13/2004 | US6677853 Animal deterrent using vehicle horn |
| 01/06/2004 | US6674028 Motion activated decorative article |
| 01/02/2004 | EP1374216A1 Network management system including a user interface using speech generation and recognition |
| 12/31/2003 | CN2596463Y Alarm caller with braille dot button |
| 12/24/2003 | CN2594889Y Speech reporting device for oil well fault |
| 12/18/2003 | WO2003104108A1 Package provided with a sound-reproducing device |
| 12/18/2003 | WO2003044771A3 Device and method for positioning acoustic sources |
| 12/17/2003 | CN1131499C Anti-shortsighted promper capable of recording use information |
| 12/11/2003 | US20030228021 Acoustic-signal emitting device for vehicles |
| 12/10/2003 | CN1130890C Visual alarm for communication module |
| 12/03/2003 | CN2590082Y Automatic gate monitoring control and calling digital controller |
| 11/27/2003 | WO2003098572A1 System and method for inferring an electronic rendering of an environment |
| 11/27/2003 | WO2003098565A2 Method and apparatus for adjusting audible and visual outputs of a mounted alarm device |
| 11/27/2003 | US20030217686 Reminder device |
| 11/26/2003 | EP1169689B1 Alarm |
| 11/26/2003 | CN2588188Y Intelligent controlled anti-myopia lamp |
| 11/25/2003 | US6653937 Wide area multipurpose tracking system |
| 11/25/2003 | US6653931 Picture frame or doorbell having warning function |
| 11/20/2003 | US20030214397 System and method for inferring an electronic rendering of an environment |
| 11/19/2003 | CN1457026A Glasses searching devices |
| 11/18/2003 | US6650232 Sounder control system |
| 11/13/2003 | US20030210153 Method and apparatus for adjusting audible and visual outputs of a mounted alarm device |
| 11/11/2003 | WO2004028311A1 Theft deterring shelf aid dispensing device |
| 11/11/2003 | US6646566 Enhanced visual and audible signaling for sensed alarm condition |
| 11/11/2003 | US6646548 Electronic siren |
| 11/05/2003 | CN1127268C Radio paging receiver |
| 10/30/2003 | WO2003046854A3 Device for detecting an inadmissible operating state |
| 10/29/2003 | EP1356439A1 Apparatus and method for providing alarm synchronization among multiple alarm devices |
| 10/23/2003 | US20030197623 Picture frame or doorbell having warning function |
| 10/22/2003 | CN1125416C Method of providing message to user of selecttive call receiver |
| 10/22/2003 | CN1125414C Melodic alerts for communications device |
| 10/15/2003 | CN2580530Y Magnetic induction electronic sound prompting device |
| 10/15/2003 | CN1449201A Two-way paging system and apparatus |
| 10/09/2003 | WO2003083827A1 Annunciator |
| 10/02/2003 | WO2003030121A8 Two-way communication baby monitor with a soothing unit |
| 10/02/2003 | DE20121958U1 Device for positioning acoustic sources generates warning/data signals via loudspeakers in technical devices to warn a user from a direction focused on an object or dangerous situation |
| 09/25/2003 | US20030179096 Smoke detector and door bell kit with wireless remote audio alarm |
| 09/25/2003 | US20030179090 Environmental condition detector with audible alarm and voice identifier |
| 09/11/2003 | US20030169178 Marker lights for wireless doorbell transmitters and other devices |
| 09/11/2003 | US20030169177 Method and apparatus for boosting an audible signal in a notification system |