Patents
Patents for G08B 7 - Signalling systems according to more than one of groups; Personal calling systems according to more than one of groups (2,936)
10/1988
10/20/1988DE3711202A1 Indicating and monitoring device for electronic cameras
10/05/1988CN87210568U Potted landscape multipurpose electronic monitor
10/05/1988CN86206313U Warning apparatus for savety overtaking
09/1988
09/14/1988CN87214070U Lxf-1 model material position signal generator
09/13/1988US4770114 T.V. remote control box finder
09/07/1988CN87205607U Multi-purpose electronic safety rod
08/1988
08/10/1988EP0277685A2 Fire sensing and suppression method and system responsive to optical radiation and mechanical wave energy
08/09/1988US4763115 Fire or smoke detection and alarm system
08/03/1988EP0276892A2 Fire sensing and suppression method and system responsive to optical radiation and mechanical wave energy
08/03/1988CN87211099U Charging type multifunctional electronic information device
07/1988
07/27/1988CN87106568A Passive infra-red wireless multiplex monitor
07/19/1988US4758826 Work area advanced warning system
06/1988
06/28/1988US4754266 Traffic director
06/01/1988CN87213528U Photo-controlled warning device for automobile signal lights
05/1988
05/18/1988EP0267267A1 Hospital signaling and communications system
05/18/1988CN87214547U Miner's lamp-shaped methanophone
05/10/1988US4744013 Illuminable and soundable baton
05/04/1988CN87205183U Combustive gas detector
05/03/1988US4742328 Audio and visual alarm device
04/1988
04/20/1988CN87213852U Head posture correction signaler
03/1988
03/30/1988CN87213225U Eight-way flash alarm
03/23/1988CN87206361U Monitor for insulation of electric appliances
03/16/1988CN87213567U Wallet for notes with warning by touching
03/15/1988US4731604 Portable distress signal device for indicating troubled situations and method for its manufacture
02/1988
02/24/1988CN86210473U Micro-power consumption voice changing multi-purpose device
02/17/1988CN87202710U Liquid-level warner for intravenous injection
02/10/1988CN86208318U Digital display signaller
01/1988
01/12/1988US4718372 Vehicle warning system
12/1987
12/30/1987CN86107843A Leakage alarm for domestic electric appliances
12/16/1987EP0249501A2 Anti-theft apparatus and method
11/1987
11/19/1987WO1987007110A1 Hospital signaling and communications system
11/18/1987CN85205440U Dispersed lighting lamps with sound and light effect
11/11/1987EP0131012B1 Signalling device
11/11/1987CN86201635U Special alarm for railway and mines
11/11/1987CN85204894U Electric torch with alarm
09/1987
09/08/1987US4692755 Loading dock signal and control system
09/08/1987CA1226460A1 Marker rope
08/1987
08/05/1987CN86204800U Electronic alarm device for preventing from wrong setting film
08/05/1987CN86204067U Converging-magnetic differential sourceless electromagnetic crossing alarm device
07/1987
07/22/1987CN86201130U Automatic exhaust fan for preventing human from gas poisoning
07/22/1987CN86200452U Special alarm for railways and mines
06/1987
06/25/1987DE3640457A1 Electronic device for audible alarm indication
04/1987
04/01/1987CN86204799U Automatic alarm system for wet insulation
02/1987
02/26/1987WO1987001226A1 Surveillance installation
01/1987
01/28/1987CN86202283U Rectification apparatus about sitting posture for the pupil (student) prevents nearsightedness and vertebra deformation
01/06/1987US4633969 Signalling device
12/1986
12/23/1986US4630684 Fire sensing and suppression method and system responsive to optical radiation and mechanical wave energy
12/16/1986US4630208 Identification of beacons
12/10/1986EP0072850B1 Customer queue control apparatus
12/09/1986US4627324 Method and instrument for generating acoustic and/or visual effects by human body actions
11/1986
11/12/1986CN86201143U Acoustic alarm screwdriver with voltage tester
10/1986
10/14/1986US4617561 Emergency light and smoke alarm system
10/14/1986US4617557 Medication compliance aid for unit dose packaging
09/1986
09/16/1986US4612535 Add-on alert system
08/1986
08/27/1986EP0192350A2 Loading dock signal and control system
07/1986
07/22/1986CA1208330A1 Patient signalling device
07/16/1986EP0187149A1 Fire sensing and suppression method and system responsive to optical radiation and mechanical wave energy.
07/16/1986CN85200307U Coronary disease first-aid box with automatic alarm
07/15/1986US4600914 Apparatus for directing attention to specific locations such as emergency exits
07/08/1986CA1207428A1 Optical acoustical signalling apparatus
04/1986
04/15/1986US4583080 Audible alarm and projection lamp attachment for a walking cane
03/1986
03/18/1986US4576106 Serves as a warning of danger
01/1986
01/28/1986CA1199993A1 Power saver circuit for audio-visual signal unit
01/16/1986WO1986000450A1 Fire sensing and suppression method and system responsive to optical radiation and mechanical wave energy
01/02/1986EP0166259A2 Fire, smoke, gas or intrusion alarm giver for use in dwellings or industrial premises
12/1985
12/10/1985US4558321 Visitor conversation system
09/1985
09/24/1985CA1194133A1 Electronic apparatus with audible annunciator and alarm lamp
09/04/1985EP0153515A1 Audio light chandelier
07/1985
07/23/1985US4531114 Intelligent fire safety system
07/09/1985US4528620 Audio light chandelier
06/1985
06/11/1985CA1188773A1 Smoke detector indicator
06/10/1985EP0072850A4 Customer queue control apparatus.
05/1985
05/21/1985US4518946 Audio-visual alarm device with translucent cover
04/1985
04/30/1985US4514725 Window shade mounted alarm system
04/16/1985CA1185691A1 Method and apparatus for automatic abnormal events monitor in operating plants
02/1985
02/12/1985US4499453 Power saver circuit for audio/visual signal unit
01/1985
01/16/1985EP0131012A1 Signalling device.
01/15/1985CA1181153A1 Remote control alarm device
09/1984
09/04/1984CA1173924A1 Customer queue control method and system
08/1984
08/14/1984CA1172727A1 Audio - visual monitoring system
07/1984
07/24/1984US4462030 Electronic apparatus with audible annunciator and alarm lamp
07/19/1984WO1984002788A1 Signalling device
06/1984
06/19/1984US4455548 Call system and methods and apparatus for operating same
06/05/1984US4453154 Altitude monitor
05/1984
05/16/1984EP0108174A1 Alarms
04/1984
04/03/1984US4441076 Motion detection apparatus for electric motors
03/1984
03/20/1984US4438429 Emergency signal transceiver for disabled car
03/20/1984US4438422 Warning method and system for vehicles
02/1984
02/21/1984US4433363 Audio light chandelier
11/1983
11/29/1983US4418334 Signal display system and luminaire apparatus for operating same
10/1983
10/25/1983US4412210 Electronic calculator with acoustic confirmation of key actuation and acoustical alarms
08/1983
08/09/1983US4398257 Customer queue control method and system
05/1983
05/24/1983US4384425 Fishing rod bite signal
03/1983
03/02/1983EP0072850A1 Customer queue control apparatus.
01/1983
01/04/1983US4367455 Powersaving room security system
12/1982
12/21/1982US4365237 Security audio visual emergency system
09/1982
09/28/1982US4352091 Radio pager having optional annunciating means
09/02/1982WO1982002972A1 Customer queue control apparatus
08/1982
08/31/1982US4347499 Emergency guidance system
12/1981
12/15/1981US4306176 Operation indicator for automatic flash device
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