| Patents for G08B 3 - Audible signalling systems; Audible personal calling systems (6,083) |
|---|
| 08/26/1987 | CN86200961U Overflow preventable and alarm cooker cover |
| 08/19/1987 | EP0233077A2 A packaging container |
| 08/18/1987 | US4688034 Paging receiver and transmitting device adapted to said receiver |
| 08/12/1987 | EP0232123A2 Radio pager having a light-emitting diode for providing visual alarm and signal transmission |
| 08/12/1987 | EP0231866A2 Data terminal |
| 08/12/1987 | EP0231259A1 Nationwide radio paging system. |
| 08/12/1987 | CN85205804U Four-purpose musical door bell |
| 08/11/1987 | US4686504 For installation adjacent a door |
| 08/05/1987 | CN86208266U Alarm switch against sleeping |
| 08/05/1987 | CN86206066U Auto help-calling device for urgent patient |
| 08/04/1987 | US4684927 Annunciator circuit for elevator systems |
| 07/30/1987 | DE3602447A1 Arrangement for the acoustic indication of an end position |
| 07/23/1987 | DE3601178A1 Mechanical-acoustic alarm system |
| 07/21/1987 | US4682148 Display pager having memory overflow indication and concurrent message display functions |
| 07/16/1987 | WO1987004309A1 Paging receiver with lpc speech synthesizer |
| 06/24/1987 | EP0226435A2 Battery casing for a paging receiver |
| 05/26/1987 | US4668938 Switching amplifier and electronic siren employing the same |
| 05/26/1987 | US4668937 Speaker activation control by microcomputer |
| 05/05/1987 | US4663624 Pager having receiving frame tuned by transducer |
| 05/05/1987 | US4663623 Decoding arrangements for synchronous receivers |
| 05/05/1987 | CA1221420A1 Fast recovery bias circuit |
| 04/22/1987 | EP0218936A2 Selective paging receiver with message display |
| 04/16/1987 | DE3536701A1 Device for monitoring the function of a sirene |
| 04/08/1987 | CN86203573U Reminder for bike locking |
| 03/31/1987 | US4654631 Pocket clip with integral display |
| 03/10/1987 | US4649538 Radio paging device with improved test modes |
| 03/04/1987 | EP0211849A1 Pager system and communication protocol. |
| 02/24/1987 | US4646063 Electronic siren with remote multiplexed control head |
| 02/17/1987 | US4644351 Two way personal message system with extended coverage |
| 02/17/1987 | US4644350 Pager with automatically illuminated display |
| 02/17/1987 | US4644347 Multiple frequency message system |
| 02/17/1987 | US4644327 Methods for generating auditory indicators |
| 02/12/1987 | WO1987000994A1 Nationwide radio paging system |
| 02/04/1987 | EP0210213A1 Radio pager with error detection. |
| 01/27/1987 | US4639726 Radio communication apparatus disabled on reception of a predetermined signal |
| 01/21/1987 | CN86201730U Electron horn with multistage and harmonic sound |
| 01/13/1987 | US4635836 Twist-off detachable belt clip assembly |
| 01/06/1987 | US4633969 Signalling device |
| 12/23/1986 | US4631526 Theft proof alarm bell assembly |
| 12/23/1986 | US4631517 Frequency-matched signal device for persons with impaired hearing |
| 12/16/1986 | US4629837 Hand-held battery-powered radio receiver |
| 12/10/1986 | EP0072850B1 Customer queue control apparatus |
| 12/09/1986 | US4628213 Electronic circuits for driving bells or electromagnetic devices |
| 12/09/1986 | CA1215126A1 Pager with visible display |
| 12/03/1986 | EP0203140A1 A method and apparatus in radio reception for avoiding storing a message more than once. |
| 12/03/1986 | EP0203139A1 Method and receiver for receiving messages sent by radio. |
| 12/03/1986 | EP0203132A1 Acoustic signal attenuator |
| 12/02/1986 | US4626799 Warble signaling device |
| 12/02/1986 | CA1214828A1 Paging receivers |
| 11/26/1986 | EP0202408A2 A paging system, particularly for hotels |
| 11/18/1986 | CA1214218A1 Paging network |
| 10/21/1986 | CA1212999A1 Universal paging device with power conservation |
| 10/15/1986 | EP0197534A1 Radio pager having local- and wide-area reception modes |
| 10/15/1986 | EP0128209B1 Method of setting radio transmitters for synchronous radio transmission |
| 10/08/1986 | EP0196371A2 Method for the wireless transmission of a call signal |
| 09/22/1986 | EP0179898A4 A two way personal message system with extended coverage. |
| 09/17/1986 | EP0128210B1 Method and apparatus for synchronizing radio transmitters for synchronous radio transmission |
| 08/19/1986 | US4606295 Mechanical door chime powered by motion of the door |
| 07/31/1986 | WO1986004476A1 Radio pager with error detection |
| 07/30/1986 | EP0189089A1 Radio paging system capable of transmitting common information and receiver therefor |
| 07/29/1986 | US4603324 Tone-pip-signal generator |
| 07/22/1986 | US4602357 Coded acoustic alarm transmitter/receiver system |
| 07/22/1986 | US4602254 Paging receiver which is resettable with external-noise detector |
| 07/22/1986 | CA1208297A1 Paging receiver |
| 07/16/1986 | CN85202246U Purse with warning device |
| 07/15/1986 | US4600914 Apparatus for directing attention to specific locations such as emergency exits |
| 07/08/1986 | US4599615 Pager receiver comprising a memory storing a sequence of information signals to be tested |
| 07/02/1986 | EP0186247A1 Paging receiver and transmitting device adapted to said receiver |
| 06/19/1986 | WO1986003645A1 Watch pager system and communication protocol |
| 06/18/1986 | EP0184606A2 Pager watch system utilizing time slot communication |
| 06/17/1986 | CA1206206A1 Radio paging receiver having display control means |
| 06/17/1986 | CA1206205A1 Battery saver circuit for use with paging receiver |
| 06/05/1986 | WO1986003353A1 Acoustic signal attenuator |
| 06/05/1986 | WO1986003318A1 A method and apparatus in radio reception for avoiding storing a message more than once |
| 06/05/1986 | WO1986003317A1 Method and receiver for receiving messages sent by radio |
| 05/07/1986 | EP0179898A1 A two way personal message system with extended coverage. |
| 05/07/1986 | CN85203075U Doze-alarm hat for driver |
| 04/09/1986 | EP0177204A1 Switches for radiopagers |
| 04/09/1986 | EP0177068A1 Warning devices |
| 04/01/1986 | CA1202682A1 Pager receiver comprising a memory storing a sequence of information signals to be tested |
| 03/25/1986 | US4578555 Fail-safe machine tool operational setting system with prerecorded verbal instructions |
| 03/18/1986 | US4577060 Paging network |
| 03/11/1986 | US4575863 Fast recovery bias circuit |
| 02/18/1986 | US4571586 Alarm console controls |
| 01/22/1986 | EP0168821A1 Pager with display |
| 01/07/1986 | CA1199116A1 Sound-activated code-controlled detection system for telephones and the like |
| 01/02/1986 | EP0165967A1 Fast recovery bias circuit |
| 12/10/1985 | US4558316 Electrical supervisory control and data acquisition system |
| 12/10/1985 | US4558307 Reminder device |
| 12/03/1985 | CA1197625A1 Programmable control circuit for controlling the on- off operation of an indicator device |
| 11/26/1985 | US4555690 Warning signal generating device for vehicle |
| 11/21/1985 | WO1985005240A1 A two way personal message system with extended coverage |
| 11/21/1985 | EP0161545A1 Apparatus for locating persons for an electronic timepiece |
| 11/19/1985 | US4554531 Omnidirectional siren |
| 11/05/1985 | CA1196386A1 Battery saving circuit for paging receiver or the like |
| 10/30/1985 | EP0050624B1 Electrical supervisory control and data acquisition system |
| 10/10/1985 | CN85102564A Multi-functional low-noise electronical music sounding horn |
| 09/25/1985 | EP0155628A1 Paging receivers |
| 09/24/1985 | CA1194133A1 Electronic apparatus with audible annunciator and alarm lamp |
| 09/04/1985 | EP0153515A1 Audio light chandelier |