| Patents for G08B 3 - Audible signalling systems; Audible personal calling systems (6,083) |
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| 08/14/2013 | CN203134025U Low-power electricity-powered mechanical doorbell |
| 08/14/2013 | CN203134024U Low-power battery-type mechanical doorbell |
| 08/14/2013 | CN203134023U High-decibel mechanical doorbell |
| 08/14/2013 | CN203134022U Buckling-type doorbell |
| 08/14/2013 | CN103247115A Pyroelectric infrared sound production device |
| 08/14/2013 | CN103247114A Bluetooth control warning system and method thereof |
| 08/14/2013 | CN103239814A Novel multi-functional fire alarm bell |
| 08/07/2013 | CN203118175U Color-changing voice prompting device |
| 08/07/2013 | CN203118159U Wireless infrared fire alarm tag |
| 08/07/2013 | CN203118130U Wireless alarm door bell |
| 08/07/2013 | CN203118129U Remote directional strong sound warning device capable of adjusting azimuth |
| 08/07/2013 | CN203113864U Anti-crossing barrier for rod body |
| 08/07/2013 | CN103236124A Self-generating doorbell |
| 08/01/2013 | US20130196720 Mobile battery partitioning system and method |
| 07/31/2013 | EP2620923A2 System and method for displaying information relevant to escape routes |
| 07/31/2013 | CN203102465U Voice-amplifying judicial mallet |
| 07/30/2013 | US8496001 Process and device for the automatic identification of breathing tubes |
| 07/30/2013 | CA2505226C Movable barrier control system component with audible speech output apparatus and method |
| 07/24/2013 | CN203084843U Wireless pager |
| 07/24/2013 | CN203084842U Emergency alarm circuit |
| 07/24/2013 | CN203082567U Charging type flashlight |
| 07/23/2013 | US8494861 Movable barrier control system component with audible speech output apparatus and method |
| 07/23/2013 | US8493227 System and method for optimizing the position of a mobile device |
| 07/23/2013 | US8493194 Bicycle electronic signaling device that sounds like a car horn |
| 07/22/2013 | DE202013102574U1 Tanküberwachungssystem Tank monitoring system |
| 07/18/2013 | WO2013034734A3 Brake control device for a brake system of a rail vehicle, brake system, rail vehicle and method for operating a brake control device |
| 07/17/2013 | CN203070522U Remote control and voice broadcast system, voice broadcaster and voice broadcast box |
| 07/17/2013 | CN203070447U Multifunctional self-defence gavel |
| 07/17/2013 | CN203070446U Doorbell with reminding and message leaving functions |
| 07/17/2013 | CN103209665A Apparatus and method for product and signaling device matching |
| 07/17/2013 | CN103208723A Laser device, laser device alarming method and laser device control method |
| 07/10/2013 | CN203055030U Audio warning board of drink-driving ban at restaurant |
| 07/10/2013 | CN203055029U Multifunctional intelligent doorbell |
| 07/10/2013 | CN203050454U Door with energy-saving doorbell |
| 07/10/2013 | CN203050452U Protective type power-saving safety door |
| 07/10/2013 | CN203050428U Energy-saving security door |
| 07/10/2013 | CN103198591A Human-body-approach-type electronic doorbell |
| 07/10/2013 | CN103198590A Remote orientation high-intensity acoustic warning system with adjustable directions |
| 07/10/2013 | CN103198589A Storage-type doorbell with thin-film solar batteries |
| 07/09/2013 | US8482426 Substrate processing apparatus |
| 07/04/2013 | WO2013034732A3 Tool for developing braking systems for rail vehicles |
| 07/04/2013 | US20130169437 Audio feedback for command line interface commands |
| 07/03/2013 | EP2609579A1 A sounder for mobile apparatus |
| 07/03/2013 | CN203038384U Multifunctional induction type doorbell system |
| 07/03/2013 | CN203038383U Doorbell combined with floor mat |
| 07/03/2013 | CN102232648B Firefighting trousers shoe capable of leaving memory footprints |
| 06/27/2013 | US20130162543 Piezoelectric Actuator Interface and Method |
| 06/26/2013 | CN203026382U Operating lever with electricity testing function |
| 06/26/2013 | CN103178833A Multi-stage timer |
| 06/26/2013 | CN102374145B Self-generating energy-saving burglarproof door |
| 06/25/2013 | US8471688 Gunfire sound system |
| 06/20/2013 | WO2013089933A1 Wireless control of emergency notification devices |
| 06/19/2013 | CN203014947U Antitheft device applied to handset housing |
| 06/19/2013 | CN203012871U Voice alarming device having various alarming ways |
| 06/19/2013 | CN203012385U Timing reminder |
| 06/19/2013 | CN203008549U Key door card with lighting, alarming and defense functions |
| 06/19/2013 | CN203007622U Industrial sewing machine provided with voice prompt system |
| 06/19/2013 | CN103167094A Doorbell answering device |
| 06/19/2013 | CN102354421B Emergency voice prompt escape device for vehicles |
| 06/13/2013 | US20130148509 Network device with audio-alert notification capability |
| 06/13/2013 | DE102011122765A1 Electronic controller for use in e.g. automatic electronic light circuit breaker to automatically switch-off e.g. room light, switches off light after adjustable time duration and requires no energy when light is switched off |
| 06/12/2013 | CN202995927U A multifunctional gavel used in a court |
| 06/12/2013 | CN202995926U Sickroom calling system based on single-chip microcomputer |
| 06/12/2013 | CN202995925U Electricity consumption-free music doorbell |
| 06/12/2013 | CN202995924U Airbag doorbell |
| 06/12/2013 | CN101692534B Blocking against misoperation, alarming and protecting device of high-voltage switch cabinet |
| 06/05/2013 | CN202976396U Harassment prevention alarm |
| 06/05/2013 | CN202976352U Magnetic doorbell emitter |
| 06/05/2013 | CN202976351U Novel alarm buzzer |
| 06/05/2013 | CN202976350U Improved mallet |
| 06/05/2013 | CN202976349U Automatic code-remembering data signal wireless doorbell |
| 06/05/2013 | CN202976348U Low-power digital signal wireless doorbell |
| 06/05/2013 | CN202976347U Maintenance warning indicator in construction site |
| 06/05/2013 | CN202975805U AGV logistics voice prompt system |
| 06/05/2013 | CN202970384U Optical cat eye and electronic cat eye matching structure |
| 06/05/2013 | CN102054319B Barrier-free voice prompt device for blind person |
| 06/05/2013 | CN101916494B Child monitor system |
| 06/04/2013 | US8457330 Method and apparatus for boosting an audible signal in a notification system |
| 06/01/2013 | CA2767983A1 Safety ladder warning device |
| 05/30/2013 | US20130135101 Encoder based speed compensated reject system and method |
| 05/29/2013 | CN202950063U Induction directing shoe for traffic policeman |
| 05/29/2013 | CN103123733A Voice module special for water supply device controller |
| 05/28/2013 | US8451102 Methods, devices, and computer program products for providing ambient noise sensitive alerting |
| 05/23/2013 | US20130131985 Wearable electronic image acquisition and enhancement system and method for image acquisition and visual enhancement |
| 05/23/2013 | US20130127624 Power conserving alert for medical devices |
| 05/23/2013 | US20130127606 Display device and method for controlling the same |
| 05/22/2013 | EP2594088A1 Electro-acoustic transducer tuning and data storage |
| 05/22/2013 | DE202013101280U1 Eine Audioschaltung An audio circuit |
| 05/22/2013 | CN103118173A Method and device conducting event notice through mobile terminal |
| 05/22/2013 | CN103116954A Low-power-consumption piezoelectric security and protection alertor |
| 05/22/2013 | CN101980314B Intelligent bus courtesy seat prompting device and method |
| 05/16/2013 | WO2013071032A1 Automatic audible alarm origination locate |
| 05/16/2013 | WO2013070883A1 Temporal horn pattern synchronization |
| 05/16/2013 | US20130120124 Methods and systems to support auditory signal detection |
| 05/16/2013 | DE202013003292U1 Auto-tempo-alarm Auto-tempo alert |
| 05/16/2013 | DE202013002846U1 Notleuchte Emergency Light |
| 05/15/2013 | EP2592605A1 Methods and systems to support auditory signal detection |
| 05/15/2013 | CN202939742U Alarm sound emitting device |
| 05/15/2013 | CN202939738U Novel remote monitoring doorbell |
| 05/15/2013 | CN103106854A Hotel guest greeting and guiding system |