Patents
Sitemap › G08 - Signalling › G08B - Signalling or calling systems; Order telegraphs; Alarm systems › G08B 3 - Audible signalling systems; Audible personal calling systems
Patents for G08B 3 - Audible signalling systems; Audible personal calling systems (6,083)
10/1999
10/12/1999US5966282 Power surge protection assembly
10/12/1999US5966068 Pager and paging system for travelers
10/06/1999CN1231043A Pager with voice and data messages
09/1999
09/30/1999WO1999049434A1 Audible alarm for portable telephone or message receiver
09/30/1999WO1999049433A1 Control circuit for an alarm tone generator
09/30/1999WO1999034340A3 Melodic alerts for communications device
09/30/1999CA2324902A1 Audible alarm for portable telephone or message receiver
09/22/1999CN2340028Y Built-in integrated electronic door-bell
09/22/1999CN2340013Y Multifunction electronic promptor
09/21/1999US5956656 Wireless selective call receiver operable in cover closing state
09/21/1999US5956626 Wireless communication device having an electromagnetic wave proximity sensor
09/16/1999WO1999024899A3 Communication and data entry device
09/15/1999CN2338812Y Speech audible apparatus for looking after patients
09/15/1999CN2338811Y Non-push-button electronic door bell
09/15/1999CN1228665A Radio selective calling receiver and portable telephone apparatus
09/14/1999US5953436 Apparatus for generating an audible tone
09/14/1999US5953193 Power surge protection assembly
09/14/1999US5952926 Pet doorbell apparatus
09/14/1999US5952925 Collar for a cat for warning a bird of the presence of the cat
09/14/1999US5951205 Amphibious audible alarm device
09/10/1999WO1999045722A1 Portable information terminal and method of setting the same
09/08/1999CN1228003A Radio selective calling receiver
09/07/1999US5949333 Operation sensitive reminder
09/07/1999CA2181046C Apparatus for energy conservation in a communication system
09/02/1999WO1999017477A3 Multi tier wireless communication system
09/01/1999CN2336412Y Automatic bus stop name reporting device for public traffic
09/01/1999CN1227379A Intelligent electronic door bell
08/1999
08/31/1999CA2161475C Electronic device having selectable alert modes
08/26/1999WO1999042966A1 Warning device for badly parked motor vehicles
08/25/1999CN2335271Y Theft-proof alarm accumulation for car
08/25/1999CN2335204Y Door bell capable of leaving message
08/25/1999CN2334414Y Medical transfusio alarm device
08/17/1999US5940742 Two-way paging system and apparatus
08/04/1999EP0933737A2 Portable electronic device holder
08/03/1999CA2121362C Method of presenting messages for a selective call receiver
07/1999
07/29/1999CA2256116A1 Leather cellular phone case
07/28/1999CN2331035Y Patient's voice emergency treatment kit
07/27/1999US5930691 Radio receiver capable of easily adjusting a reproduction speed of a speech signal
07/27/1999US5929775 Radio paging receiver with display
07/21/1999EP0930592A2 Radio selective calling receiver
07/21/1999EP0930591A1 Automatically locating individuals utilizing a combination of wireless media
07/21/1999CN2330022Y Warning door bell
07/14/1999CN2329054Y Door bell of electronic control door lamp
07/14/1999CN1222793A Holder for electronic device
07/08/1999WO1999034341A1 Ir/rf locator
07/08/1999WO1999034340A2 Melodic alerts for communications device
06/1999
06/30/1999EP0925644A1 A sounder control system
06/30/1999EP0469077B1 Voice storage device for co-operation with transceiver stations
06/30/1999CN2327130Y Anti-loss warner for mobile telephone
06/30/1999CN2327025Y Carry-on article anti-theft alarm
06/30/1999CN2327020Y Remote-controlled rotating handicraft door-bell
06/30/1999CN2327019Y Explosion-proof pre-alarming safety device of cement mechanical vertical kiln
06/29/1999US5917425 To determine location and identity of a device/person in an enclosure
06/22/1999US5914671 System and method for locating individuals and equipment, airline reservation system, communication system
06/22/1999US5914650 Removable door chime
06/18/1999CA2251996A1 Automatically locating individuals utilizing a combination of wireless media
06/16/1999CN2324734Y Warning device for preventing mobile telephone from losing
06/08/1999US5910771 For breathing apparatus
06/02/1999EP0920225A1 Portable cellular phone
06/02/1999DE19752339A1 Motor-driven positioning arrangement
06/02/1999CN2322189Y Door bell with easy battery replacing
06/02/1999CN1218360A Portable cellular phone
06/01/1999US5909169 Electric bell having a mechanism for supporting electromagnetic unit
06/01/1999CA2254708A1 Intelligent speaker controller for a fire alarm system
05/1999
05/20/1999WO1999024899A2 Communication and data entry device
05/20/1999WO1999023990A1 Medical equipment controller
05/20/1999WO1999023989A1 Mobile surgical support apparatus
05/20/1999WO1999023980A1 Patient thermal regulation system
05/20/1999CA2309049A1 Communication and data entry device
05/20/1999CA2308324A1 Medical equipment controller
05/20/1999CA2305142A1 Mobile surgical support apparatus
05/19/1999EP0748556B1 A telephone communication system having a locator
05/18/1999US5905437 Pager with low voltage alarm
05/18/1999US5905326 Piezoelectric buzzer control circuit
05/12/1999EP0915609A2 Door entry security system
05/05/1999CN1043283C Electronic device having integral battery door/belt clip element
05/04/1999US5900802 Removable door chime
04/1999
04/29/1999WO1999021149A1 Locating device
04/28/1999EP0910971A2 Clip for mobile telephone
04/28/1999CN2316784Y Handset alarm for warning user in 1 m distance
04/27/1999US5898369 Communicating hazardous condition detector
04/27/1999US5898363 Portable audible beacon
04/27/1999CA2149694C Apparatus for providing audible instructions or status information for use in a digital television system
04/24/1999CA2249488A1 Door entry security system
04/15/1999WO1999018705A1 Visual alarm for a communication module
04/14/1999EP0651935A4 Radio data interface device.
04/14/1999CN2314409Y Multifunctional alarm
04/14/1999CN1042997C Portable electronic appts. having partial display function
04/13/1999US5894275 Voice recorder/playback module
04/13/1999US5894262 Electronic doorbell with reversible diode
04/08/1999WO1999017477A2 Multi tier wireless communication system
04/06/1999US5892457 Audio paging apparatus and method for cordless paging receiver
03/1999
03/24/1999EP0865645A4 User selectable receiver addresses for wireless communication systems
03/24/1999CN1211884A 寻呼机 Pager
03/23/1999US5887067 Audio communication system for a life safety network
03/23/1999US5886631 Barking dog sound alarm system
03/23/1999CA2091393C Method and apparatus for providing a personal locator, access control and asset tracking service using an in-building telephone network
03/17/1999EP0859998A4 Electronic control system/network
03/10/1999EP0901111A2 Method and device for alerting people
03/10/1999CN2310336Y Audible singalling arrangement
1 ... 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 ... 61