| Patents for G08B 3 - Audible signalling systems; Audible personal calling systems (6,083) |
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| 06/21/2005 | US6909373 Floor monitoring system |
| 06/18/2005 | CA2453709A1 System, apparatus and method for wireless notification |
| 06/15/2005 | CN1627782A Method for designing theft-proof handset |
| 06/09/2005 | WO2005022476A8 Method for locating an asset |
| 06/08/2005 | EP1537552A2 Method and apparatus for adjusting audible and visual outputs of a mounted alarm device |
| 06/01/2005 | EP1196905A4 Method and apparatus for distance-based notification in a two-way wireless communication system |
| 05/26/2005 | US20050113147 Methods, electronic devices, and computer program products for generating an alert signal based on a sound metric for a noise signal |
| 05/26/2005 | US20050110628 Operator warning system and method for improving locomotive operator vigilance |
| 05/24/2005 | US6897772 Multi-function control system |
| 05/19/2005 | US20050104738 Display method and apparatus |
| 05/19/2005 | US20050104726 Alerting system using a communication protocol |
| 05/18/2005 | EP1531438A1 An alerting system using a communication protocol |
| 05/18/2005 | EP1313087A4 Sound-reproducing support |
| 05/18/2005 | CN2701171Y Electronic equipment for automatically appeasing baby by voice with radio monitoring |
| 05/18/2005 | CN1617182A Method of recording and playing compact disk quality sound signals for a doorbell system, and a receiver |
| 05/17/2005 | US6894613 Operator controller with combination of alert and message, operator provided therewith and method for operating same |
| 05/12/2005 | US20050100170 Method of recording and playing compact disk quality sound signals for a doorbell system, and a receiver embodying such method |
| 05/11/2005 | EP1530198A1 Method of recording and playing compact disk quality sound signals for a doorbell system, and a receiver embodying such method |
| 05/11/2005 | CN2699298Y Gas detection alarm instrument |
| 05/11/2005 | CN1201604C Radio selective calling receiver capable of checking time period of stay outside coverage zone |
| 05/05/2005 | US20050093711 Programmable logic controller tone generating method and apparatus |
| 05/04/2005 | CN2697762Y Advertisement board with wireless calling function |
| 05/04/2005 | CN2696383Y All-weather bag with signalling for help used for traffic safety |
| 05/04/2005 | CN2696382Y Robbing-proof, theft-proof and loss-proof device for trunk and cash bag |
| 05/04/2005 | CN1613096A Device for detecting an inadmissible operating state |
| 05/04/2005 | CN1611924A Leakage sensor and leakage detection system |
| 05/03/2005 | US6888459 RFID based security system |
| 04/28/2005 | WO2004066231A3 Personal alarm device |
| 04/28/2005 | US20050088313 Programmable external event triggering apparatus and method |
| 04/27/2005 | EP1526491A1 Method and apparatus for warning of the detection of danger situations |
| 04/21/2005 | US20050083192 Method and apparatus employed for warning of the detection of danger situations |
| 04/21/2005 | US20050081846 Medicament dispensing device with a display indicative of the state of an internal medicament reservoir |
| 04/20/2005 | EP1099264B1 Electrical appliance with battery holder |
| 04/14/2005 | WO2005034057A1 Audible warning device and operating method |
| 04/14/2005 | WO2003098565A3 Method and apparatus for adjusting audible and visual outputs of a mounted alarm device |
| 04/13/2005 | EP1410651A4 System for real-time location of people in a fixed environment |
| 04/12/2005 | CA2307290C Retaining clip assembly |
| 04/07/2005 | WO2005031669A1 Programmable event driver/interface apparatus and method |
| 04/07/2005 | WO2005031072A1 Construction machine |
| 04/07/2005 | WO2004066232A3 Personal monitoring system |
| 04/06/2005 | EP1265204A4 Cap-signaling device |
| 03/31/2005 | WO2004114341A3 Electronic device switch, and warning indicator electronic device provided with a switch of this type |
| 03/31/2005 | US20050067198 Programmable event driver/interface apparatus and method |
| 03/31/2005 | DE10338539A1 Acoustic signal generator producing warning tone that is positioned by road lanes and is coupled to control computer |
| 03/29/2005 | US6873254 Multicondition detection apparatus and method providing interleaved tone and verbal warnings |
| 03/23/2005 | EP1517297A1 Point of sale display for doorbell |
| 03/23/2005 | EP1517280A1 Remote doorbell push button transmitter |
| 03/23/2005 | EP0786144B1 Method of operating an addressable call receiver |
| 03/22/2005 | US6870488 Driveway security sensor |
| 03/17/2005 | US20050058979 Point of sale display for doorbell |
| 03/17/2005 | US20050057358 Remote doorbell push button transmitter |
| 03/17/2005 | US20050057343 Sound generator: a piezoelectric buzzer on a flexible, tensioned surface of an inflatable object |
| 03/10/2005 | WO2005022476A2 Method for locating an asset |
| 03/08/2005 | US6865482 Method and arrangement for guiding a user along a target path |
| 03/08/2005 | US6864781 Portable paging system |
| 03/03/2005 | WO2005020176A1 Method and apparatus for alarm volume control using pulse width modulation |
| 03/03/2005 | WO2005020174A1 A compact smoke alarm |
| 03/03/2005 | US20050046575 Method and apparatus for alarm volume control using pulse width modulation |
| 03/03/2005 | US20050046562 System, method, and receiver module for alerting users of warning signals |
| 03/03/2005 | US20050046560 Vehicle back-up alarm system, vehicle, transmitter module, and method |
| 03/03/2005 | CA2536278A1 A compact smoke alarm |
| 03/02/2005 | EP1510403A2 System, method, and receiver module for alerting users of warning signals |
| 03/02/2005 | EP1510402A2 Vehicle back-up alarm system |
| 03/02/2005 | EP1509338A1 Acoustic-signal emitting device for vehicles |
| 02/17/2005 | US20050035864 Two-way communication baby monitor with a soothing unit |
| 02/15/2005 | US6856242 Automatic siren silencing device for false alarms |
| 02/10/2005 | WO2005012936A2 System for tracking and locating an object using a cellular network |
| 02/10/2005 | DE202004017752U1 Doorbell has a bell chime memory in which different chime or ring tunes can be inserted, deleted or selected via an interface |
| 02/09/2005 | EP1504430A1 System and method for inferring an electronic rendering of an environment |
| 02/09/2005 | CN1188825C Electronic sound generator with improved sound |
| 02/03/2005 | WO2005010838A1 Train horn |
| 02/03/2005 | US20050024202 System for tracking and locating an object using a cellular network |
| 02/03/2005 | US20050024201 Method for locating an asset |
| 02/03/2005 | DE10309612B4 Verfahren zur Alarmierung mittels Funkruf und Funkrufempfänger Procedures to alert via pager and pager |
| 02/02/2005 | CN1573830A Sound signal generator for operation protection |
| 01/27/2005 | US20050017869 Device and method for alerting a person to the presence of a door |
| 01/27/2005 | DE10328101A1 Signalvorrichtung zur Befestigung am menschlichen Arm Signal means for attachment to the human arm |
| 01/26/2005 | EP1501059A1 Remote doorbell chime extender |
| 01/26/2005 | CN2674779Y Electricity-saving two-line interphone bell for entrance |
| 01/20/2005 | US20050012609 Abuse resistant doorbells |
| 01/13/2005 | US20050007255 Environmental condition detector with audible alarm and voice identifier |
| 01/12/2005 | CN2671250Y Automatic alarming cover for mobile phone |
| 01/12/2005 | CN2671043Y Safety phonetic prompting devices |
| 01/12/2005 | CN1564214A Safety prodn. indicating method and device applied to safety prodn. for preventing fault |
| 01/12/2005 | CN1564213A Monitor for infant asleep |
| 01/12/2005 | CN1564089A Remote controlled/hand cotrolled timing instrument with communicating interface and synthetic speech |
| 01/06/2005 | WO2004007097A8 Acoustic-signal emitting device for vehicles |
| 01/05/2005 | EP1494186A1 Audio alarm device |
| 01/04/2005 | US6838996 Apparatus and method improving safety in the operation of a crane |
| 12/30/2004 | US20040263322 Annunciator |
| 12/29/2004 | WO2004114341A2 Electronic device switch, and warning indicator electronic device provided with a switch of this type |
| 12/28/2004 | US6836210 Adverse condition detector having modulated test signal |
| 12/28/2004 | US6834610 Reminder device |
| 12/28/2004 | CA2372577C Cd quality wireless chime |
| 12/23/2004 | DE10326023A1 Acoustic signal transmitter for a motor vehicle has a casing fitted with a tone generator and a sound outlet hole |
| 12/22/2004 | EP1489569A1 Signalling device to attach on the human arm |
| 12/21/2004 | US6833794 Power-saving clamping device having a loss-guard function |
| 12/21/2004 | CA2429098C Theft deterring shelf aid dispensing device |
| 12/16/2004 | US20040252848 Method of processing sound signal using a communication device |
| 12/15/2004 | CN1555208A Prompting device for cell phone coming call |