| Patents for G08B 3 - Audible signalling systems; Audible personal calling systems (6,083) |
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| 08/14/2002 | EP0846311B1 Improvements relating to locating devices |
| 08/14/2002 | CN2505934Y Radio alarm door bell receiver |
| 08/13/2002 | US6433692 Animal actuating signaling device |
| 08/13/2002 | US6433673 Digital enunciator, process and communication system employing same |
| 08/13/2002 | US6433668 Paging system with spacial, frequency and time diversity |
| 08/08/2002 | WO2002061700A1 Apparatus and method for providing alarm synchronization among multiple alarm devices |
| 08/08/2002 | US20020105431 Gift tag with motion-sensitive audio playback device |
| 08/07/2002 | CN2504699Y Magnetic field trigger type door bell |
| 08/07/2002 | CN2504698Y House number type computerized speech indicator |
| 08/01/2002 | US20020101344 Apparatus and method for providing alarm syncrhonization among multiple alarm devices |
| 07/31/2002 | EP1226734A1 Portable data system |
| 07/31/2002 | CN2503542Y Door bell with recording device |
| 07/31/2002 | CN2502510Y Automatic close alarm cage for carrier pigeon homing after contest |
| 07/30/2002 | US6426697 Alarm system having improved communication |
| 07/30/2002 | CA2282376C System and method for locating individuals and equipment, airline reservation system, communication system |
| 07/24/2002 | EP1225551A1 Improvements relating to locating devices |
| 07/23/2002 | US6424264 System for real-time location of people in a fixed environment |
| 07/18/2002 | DE10064698A1 Personenrufsystem Paging |
| 07/11/2002 | US20020089416 Electronic siren |
| 07/10/2002 | CN2499910Y One-drag multiple door bell device |
| 07/09/2002 | US6418305 Paging system |
| 07/04/2002 | WO2002052877A1 A wear means for pager or alarm |
| 07/04/2002 | WO2002052519A2 Paging system |
| 07/04/2002 | US20020083558 Clip device |
| 07/03/2002 | CN1356698A Prompting or warning memo recorder with automatic induction |
| 07/03/2002 | CN1356685A Electronic sound generator with improved sound |
| 07/02/2002 | CA2329297C Method and system for locating subjects within a tracking environment |
| 06/27/2002 | WO2002051174A2 Method and apparatus for providing a notification of received message |
| 06/26/2002 | CN1355911A Method and apparatus for distance-based notification in two-way wireless communication system |
| 06/26/2002 | CN1355513A Ask-for-rescue signaling tube and signaling vertical gun |
| 06/26/2002 | CN1086869C Radio signal receiving apapratus and reproducing method |
| 06/25/2002 | US6411827 Radio selective calling receiver and portable telephone apparatus for efficiently managing received call |
| 06/25/2002 | US6411197 Apparatus and method for receiving an interleaved selective calling signal |
| 06/19/2002 | CN2496082Y Read and write posture corrector for preventing user from being nearsightedness |
| 06/19/2002 | CN2496081Y Independent and non-fixed type alarm device |
| 06/18/2002 | CA2122073C Mechanically actuatable alarm disable assembly |
| 06/13/2002 | US20020070871 Method and apparatus for alerting basketball fans of successful three point shots |
| 06/06/2002 | US20020069030 Method for allowing a user access to an electronic device having improved security |
| 06/06/2002 | US20020067257 Audio alerts in physical environments |
| 06/05/2002 | EP0815692B1 A two-way paging system and apparatus |
| 06/05/2002 | EP0811277B1 Joint demodulation using spatial maximum likelihood |
| 05/29/2002 | CN2493987Y Alarm for blind person crossing street |
| 05/29/2002 | CN2493986Y Multi-function door bell type theft-proof alarm |
| 05/29/2002 | CN2493985Y Simple time-delay alarm |
| 05/23/2002 | WO2002041653A1 System for real-time location of people in a fixed environment |
| 05/23/2002 | US20020060628 Method and apparatus for alerting basketball fans of successful three point shots |
| 05/23/2002 | CA2431872A1 System for real-time location of people in a fixed environment |
| 05/21/2002 | US6393308 Pager with auto powerup for message receipt |
| 05/21/2002 | US6392538 Advanced services interactive security system |
| 05/16/2002 | WO2001092910A3 Method and apparatus for determinig the location of a plurality of users |
| 05/16/2002 | US20020058517 Informing system |
| 05/16/2002 | US20020057203 Communication and data entry device |
| 05/16/2002 | US20020057190 Radio wave receiver with successive tone sounding capability |
| 05/15/2002 | EP1205896A2 Informing system |
| 05/15/2002 | CN2491920Y Electronic warning door bell of antitheft door |
| 05/15/2002 | CN2491919Y Combined radio door bell transmitting-receiving device |
| 05/15/2002 | CN1085012C Radio selective calling receiver |
| 05/09/2002 | US20020053979 System and method for providing audio augmentation of a physical environment |
| 05/08/2002 | CN1348318A Complex sound exciter drive circuit and portable information terminal |
| 04/30/2002 | CA2183859C Patient care and communication system |
| 04/25/2002 | US20020049056 Local information provision |
| 04/23/2002 | US6377823 Cellular mobile telephone apparatus and an alarm device therefor |
| 04/18/2002 | WO2002031787A1 System for real-time location of people in a fixed environment |
| 04/18/2002 | US20020044046 Compound acoustic actuator drive circuit and portable information terminal |
| 04/18/2002 | US20020044043 Patient care and communication system |
| 04/18/2002 | CA2425636A1 System for real-time location of people in a fixed environment |
| 04/17/2002 | EP1196905A1 Method and apparatus for distance-based notification in a two-way wireless communication system |
| 04/16/2002 | CA2226353C Improvements relating to locating devices |
| 04/03/2002 | CN1343349A Buzzer with zener diode in discharge path |
| 04/02/2002 | USRE37618 Analog/digital data storage system |
| 03/27/2002 | CN2483781Y Voice auto-alarming safety board |
| 03/26/2002 | US6362740 Apparatus for providing thermal alert signal and control method thereof in skin-contact type terminal |
| 03/21/2002 | US20020034970 Cellular mobile telephone apparatus and an alarm device therefor |
| 03/21/2002 | DE10044503A1 Setting emitted signal intensity of signal generator involves automatically varying useful signal intensity with fluctuation of intensity of the noise signal in environment around signal source |
| 03/19/2002 | US6359549 Electronic sound generator with enhanced sound |
| 03/19/2002 | US6357382 Audible warning device with restrainable, tilt-activated mechanism |
| 03/13/2002 | CN1339765A Anti-shortsightedness prompter capable of recording use information |
| 03/07/2002 | DE10036573A1 Siren drive circuit, e.g. for burglar alarm has additional micro-controller for providing communication via data line in event of fault |
| 03/06/2002 | CN2481099Y Surface stuck electromagnetic sound sensor |
| 03/06/2002 | CN2480930Y Door and window bell with alarm |
| 03/06/2002 | CN1080508C Radio pager |
| 02/28/2002 | US20020023469 Belt clip assembly |
| 02/28/2002 | DE10038260A1 Electronic device e.g. door entry system for entryways of commercial or private space or site generates audible message when visitor detected |
| 02/28/2002 | DE10032999A1 Control device for operating special signal installation especially compressor-Martin installation on all-round sound combination with marker light for police vehicle, has switch-over relay connected across Martin relay |
| 02/27/2002 | EP1182628A2 Local information provision |
| 02/27/2002 | EP1020062B1 Visual alarm for a communication module |
| 02/27/2002 | CN2479532Y Glasses |
| 02/26/2002 | US6351678 Medical equipment controller |
| 02/26/2002 | US6351221 Method and apparatus for distance-based notification in a two-way wireless communication system |
| 02/20/2002 | CN2478242Y Switching on fusing speed warner of high voltage breaker |
| 02/19/2002 | US6348854 Radio selective-calling receiver |
| 02/14/2002 | US20020017982 Switch's click tone output unit, switch's click tone outputting method, and audio unit for the switch's click tone output unit |
| 02/05/2002 | US6344795 Method and apparatus for generating temperature based alerting signals |
| 01/30/2002 | CN1078775C Radio receiver easy to regulate volce signal regenerating speed |
| 01/29/2002 | USRE37531 System for identifying object locations |
| 01/24/2002 | WO2002007134A1 Sound-reproducing support |
| 01/23/2002 | EP1174835A2 Audible warning devices |
| 01/23/2002 | EP1174834A2 Device location and identification system |
| 01/17/2002 | WO2002005252A1 Audio label |
| 01/17/2002 | DE10032909A1 Programmable sound generator for signaling systems in buildings such as doorbell systems |