| Patents for G08B 3 - Audible signalling systems; Audible personal calling systems (6,083) |
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| 02/26/2014 | CN203455949U Real-time monitoring/directional warning illegally-parked vehicle management device |
| 02/26/2014 | CN103609142A Isolator device for passing through a signal |
| 02/19/2014 | CN203444579U Wireless intelligent voice broadcast apparatus |
| 02/19/2014 | CN103593930A Voice antitheft alarm system based on low-voltage general integration power amplifier |
| 02/18/2014 | US8653983 Monitoring and control system |
| 02/18/2014 | US8651230 High capacity ultrasonic reactor system |
| 02/18/2014 | CA2608797C Push button doorbell switch apparatus |
| 02/13/2014 | WO2014025915A1 Dual band nurse call system |
| 02/13/2014 | DE102005005309B4 Fahrzeughinderniserfassungssystem Vehicle obstacle detection system |
| 02/12/2014 | CN203434953U Fixed-time calling apparatus |
| 02/12/2014 | CN203433650U Voice type isolation fence for banks |
| 02/12/2014 | CN203433630U Concentrator capable of sending out alarm |
| 02/12/2014 | CN203433598U Floor prompter |
| 02/12/2014 | CN203433282U Multifunctional doorbell clock |
| 02/12/2014 | CN203427058U Luminous fire axe with alarm |
| 02/12/2014 | CN203425435U Fire extinguisher with voice prompt operation method |
| 02/12/2014 | CN103581761A Personalized voice broadcast device and method based on application layer smart television stock tape reading |
| 02/12/2014 | CN103576585A Artificial intelligence full-automatic repair electric vehicle controller and voice horn device thereof |
| 02/11/2014 | US8648724 System and method for motivating or prompting hand washing |
| 02/05/2014 | EP2693414A1 Alarm device and alarm system |
| 02/05/2014 | CN203422808U Electronic doorbell desk calendar combined device |
| 02/05/2014 | CN203422807U Bidirectional electronic greeting device |
| 02/05/2014 | CN203422806U Electronic door bell with FM module |
| 02/05/2014 | CN103549825A Alarm pillow |
| 02/04/2014 | US8641197 Acoustical receiver and pen transcription system adapted for rejecting virtual pen images |
| 01/29/2014 | EP2689593A2 Isolator device for passing through a signal |
| 01/28/2014 | US8638232 Verbal warning systems and other audible warning systems for use with various types of devices, containers, products and other things |
| 01/28/2014 | US8638201 Wildlife dislodging device |
| 01/23/2014 | US20140022063 Electric whistle |
| 01/22/2014 | CN203405925U Touch-type antitheft alarm system |
| 01/22/2014 | CN203405922U TV set standby voice prompt device |
| 01/22/2014 | CN203405916U Ladder port machine with function of fault voice prompt |
| 01/22/2014 | CN103526999A Key capable of reminding user to lock door and reminding method thereof |
| 01/16/2014 | US20140016813 Life Safety Device with Folded Resonant Cavity for Low Frequency Alarm Tones |
| 01/15/2014 | EP2684179A1 Anti-theft device for intercom systems |
| 01/15/2014 | CN203397477U Alarm chip and application circuit thereof |
| 01/15/2014 | CN203397447U Improved all-directional greeting doorbell |
| 01/15/2014 | CN203397446U Doorbell emitter capable of extending reception distance |
| 01/15/2014 | CN203397445U MP3 wireless doorbell |
| 01/15/2014 | CN203397444U 多功能mp3门铃 Multifunctional doorbell mp3 |
| 01/15/2014 | CN203397443U Electronic secretary for door |
| 01/15/2014 | CN103514678A Corridor safety channel voice broadcast system and working method thereof |
| 01/15/2014 | CN103514677A Electric comprehensive warning device |
| 01/09/2014 | US20140009272 Electro-pneumatic sound alarm |
| 01/09/2014 | DE102012211689A1 Method for generating warning noise for perception of e.g. hybrid vehicle in traffic, involves modifying energization of electromotor for generation of desired noise such that change of revolution of electromotor lies within bandwidth |
| 01/08/2014 | CN203386366U Voice prompting device and traffic light |
| 01/08/2014 | CN203386311U Ward-used calling device |
| 01/08/2014 | CN203386310U Doorbell with key lamp function |
| 01/08/2014 | CN203381549U AGV designed based on voice prompting function |
| 01/08/2014 | CN103500484A Doorbell ringing in response to door knocking |
| 01/07/2014 | US8624753 Event sensor including printed electronic circuit |
| 01/01/2014 | EP2679743A1 Skirting board |
| 01/01/2014 | CN203376874U Barrier-free voice guidance system for blind person |
| 01/01/2014 | CN203376823U Judicial mallet provided with sound amplifying device |
| 01/01/2014 | CN102257544B Life safety device with automatic battery discharge at the end of life |
| 12/31/2013 | US8618939 Mobile electrical device |
| 12/31/2013 | US8618920 Mobile device for providing announcement information |
| 12/25/2013 | EP2327062B1 Method and system for controlling, guiding and warning |
| 12/25/2013 | CN203368448U Remote control doorbell transmitter |
| 12/25/2013 | CN203366488U Automatic alarm device of transformer station |
| 12/25/2013 | CN203366479U Current type cable anti-theft alarm |
| 12/25/2013 | CN203366460U Warning language notification plate for cigarette business |
| 12/25/2013 | CN203366459U Intelligent music alarm device |
| 12/25/2013 | CN203366458U Wireless doorbell with easy matching of digital signals |
| 12/25/2013 | CN1943217B Internet facilitated emergency and general paging system |
| 12/25/2013 | CN103470585A Clamping device |
| 12/19/2013 | WO2013186812A1 Public address system |
| 12/19/2013 | US20130339304 Mobile terminal and method for controlling mobile terminal |
| 12/19/2013 | US20130336503 Method and apparatus for generating an audio notification file |
| 12/18/2013 | CN203352654U Cell phone mate |
| 12/18/2013 | CN203350979U Intelligent antitheft fire hydrant alarm control system outside water chamber |
| 12/18/2013 | CN103456113A Doorbell control system |
| 12/18/2013 | CN103456112A Wireless Bluetooth doorbell |
| 12/11/2013 | CN203340220U 防盗监控门铃 Anti-theft monitoring doorbell |
| 12/11/2013 | CN203338485U Inductive touch wireless doorbell |
| 12/11/2013 | CN203338484U Inductive touch wireless doorbell remote control |
| 12/11/2013 | CN203338483U Online monitoring, data-acquisition and multi-language display device for production equipment |
| 12/11/2013 | CN203338482U No smoking audio announcer |
| 12/11/2013 | CN103440717A Method and system for sound-sharing reminding device |
| 12/11/2013 | CN103431588A Walking stick with alarm |
| 12/05/2013 | WO2013178869A1 Mobile device, stand, arrangement, and method for alarm provision |
| 12/04/2013 | CN203325102U Wireless voice welcome prompting device |
| 12/04/2013 | CN203325101U Multifunctional ranging early warning device |
| 12/04/2013 | CN203325100U Remotely-controllable sickbed calling device |
| 12/04/2013 | CN103426259A Wireless remote control doorbell |
| 12/03/2013 | US8598998 Animal collision avoidance system |
| 11/28/2013 | US20130314231 Safety detection system with integrated diagnostic functions |
| 11/27/2013 | CN203311603U Medical radiation monitoring alarm and sound prompt apparatus |
| 11/27/2013 | CN203311422U Local area network computer external-connection-prevention warning device |
| 11/27/2013 | CN203310343U Intelligent card detection device with remote alerter |
| 11/27/2013 | CN103415875A Anti-theft device for intercom systems |
| 11/27/2013 | CN103413456A Voice barrier-free guiding system for blind person |
| 11/27/2013 | CN103413452A Two-way active speed limiting and overspeed early warning system based on internet of vehicles |
| 11/27/2013 | CN103413411A Important traffic accident active rescuing system based on internet of vehicles |
| 11/27/2013 | CN103413392A 电子门铃 Electronic doorbell |
| 11/27/2013 | CN103413391A Electronic doorbell and desk calendar combined device |
| 11/27/2013 | CN103413390A Sound evacuation guiding system and guiding method in building fire |
| 11/26/2013 | US8595838 Contextual alert of an invasion of a computer system |
| 11/20/2013 | CN203299944U Adjustable electronic alarm |
| 11/20/2013 | CN203299943U Low-power-consumption battery type wireless doorbell |