Patents
Patents for G08B 1 - Systems for signalling characterised solely by the form of transmission of the signal (7,960)
03/1990
03/13/1990US4908604 Remotely controlled security system
03/06/1990US4906853 Apparatus and method for varying the timing of a control signal
02/1990
02/07/1990EP0353438A1 In motion setting device for radio controlled sirens working in accordance with different programs
01/1990
01/17/1990CN2051367U Multifunction signal device for buildings
01/16/1990US4894642 Voice security system
12/1989
12/27/1989EP0347491A2 Electronic partner search apparatuses
11/1989
11/29/1989CN1005951B 遥控传送器 Remote Transmitter
10/1989
10/25/1989EP0338997A2 Computer controlled information broadcasting system for aiding blind persons in town walking
09/1989
09/27/1989EP0333771A1 Personal alarm system.
09/20/1989EP0333459A2 Apparatus and method for position reporting
09/06/1989CN2044085U Automatic stop name reporting machine
08/1989
08/22/1989US4859990 Electrically programmable transceiver security system and integrated circuit
08/15/1989US4857840 Information and guiding system including a portable receiver device having an electromagnetic wave antenna and magnetic field sensor
08/01/1989US4853674 Signalling apparatus for hearing impaired persons
07/1989
07/11/1989CA1257358A1 Swimming pool alarm
06/1989
06/21/1989CN2039858U Safety promoter for driver
05/1989
05/24/1989EP0316853A1 Cableless danger signal system
04/1989
04/18/1989US4823112 For a door or windowT?????h)??????????0*0*0*0?0????T
04/06/1989WO1989003133A1 Monitoring device
03/1989
03/30/1989DE3838892A1 Communication method and communication system
03/29/1989EP0309407A1 Monitoring device
03/07/1989CA1250926A1 Process for detecting the likelihood of ice formation, ice warning system for carrying out the process and utilization thereof
02/1989
02/15/1989CN1031018A Arrhythmia alarm monitoring pulse light of skin
02/07/1989CA1249868A1 Electromagnetic radiation circuit element insensitive to external radiation
02/06/1989EP0203913A4 Control apparatus.
01/1989
01/26/1989DE3723808A1 Paging system
01/10/1989US4797656 Appliance paging system
12/1988
12/20/1988US4792798 Remote control system for pull-cords
12/13/1988CA1246710A1 Method and apparatus for optimizing determination of the originating depth of borehole cuttings
12/06/1988CA1246181A1 Rain gauge of the tiltable spoon type
11/1988
11/22/1988US4786889 Battery casing for a paging receiver
11/15/1988US4785474 Emergency signal warning system
11/15/1988CA1244903A1 Sensing of fire installation water valves being closed
11/15/1988CA1244902A1 Electrically conductive tennis ball and line calling system
10/1988
10/11/1988US4777488 Restaurant service request communications system
10/11/1988US4777474 Alarm system for the hearing impaired
10/06/1988WO1988007736A1 Method for marking an object in order to remotely detect such object in the case of loss or theft
08/1988
08/16/1988CA1240753A1 Containment system
07/1988
07/28/1988WO1988005580A1 Personal alarm system
07/27/1988CN86201826U Alarm device with serial digital automatic coding
07/19/1988US4759069 Emergency signal warning system
07/19/1988CA1239453A1 Safety belt prompting device for motor vehicles
07/12/1988US4757304 Vehicle security system
07/05/1988US4755892 Method of and apparatus for displacing a movable system driven by an electric motor along a given trajectory
06/1988
06/29/1988CN86108418A Automatic microelectronic block equipment of time count code
06/14/1988US4751396 Infra-red security system
06/01/1988CN87213956U Water-level automatic controller with time-delay control device
05/1988
05/24/1988US4747064 Approaching vehicle informing system and method
05/18/1988CN87211410U Automobile overtaking signal transmitter
04/1988
04/26/1988CA1235770A1 Apparatus for monitoring the presence of a person in a bed
01/1988
01/20/1988EP0253156A1 Intrusion alarm system
11/1987
11/11/1987CN86206006U Sensor for detecting indoor article movement
11/10/1987US4706086 System for communication and automatic signalling between a plurality of motor vehicles
10/1987
10/29/1987DE3701321A1 Electronic contact communicating device between people
10/28/1987EP0242679A2 Signalling device for combat vehicles, particularly for tanks
09/1987
09/01/1987CA1226360A1 Electronic sound detecting unit for locating missing articles
07/1987
07/29/1987EP0229858A1 Process for detecting the likelihood of ice formation, ice warning system for carrying out the process and utilization thereof
06/1987
06/24/1987EP0226435A2 Battery casing for a paging receiver
06/23/1987CA1223318A1 Lockout positionable sensing unit for row crop harvester guidance system
06/19/1987DE3642554A1 Circuit for serial detention and relaying of information
04/1987
04/21/1987US4660022 System for guiding the blind
01/1987
01/17/1987CN85101406A 遥控传送器 Remote Transmitter
12/1986
12/30/1986CA1216030A2 Universal paging device with power conservation
12/17/1986EP0201461A1 System for communication and automatic signalling between a plurality of motor vehicles
12/10/1986EP0203913A1 Control apparatus
11/1986
11/25/1986US4625206 Sound pattern discrimination system
11/11/1986US4622540 Security system status reporting
10/1986
10/14/1986US4617555 Receiver for audible alarm
10/08/1986EP0196371A2 Method for the wireless transmission of a call signal
08/1986
08/27/1986CN85204938U Opening-closing indicator for valve of liquified gas bomb
07/1986
07/22/1986CA1208330A1 Patient signalling device
07/02/1986EP0185719A1 Micro-opto-audio-magneto-chromo electronic compass
06/1986
06/25/1986EP0185579A1 Method for displacing a mobile system moved by an electric motor along a given trajectory
05/1986
05/27/1986CA1205138A1 Security alarm system
02/1986
02/18/1986US4570881 Process for detecting the likelihood of ice formation, ice warning system for carrying out the process and utilization thereof
02/11/1986US4570155 Smoke alarm activated light
02/04/1986CA1200284A1 Car-directing apparatus for an alarm system
01/1986
01/16/1986WO1986000419A1 Micro-opto-audio-magneto-chromo electronic compass
12/1985
12/24/1985US4560978 Communication system and method
12/17/1985US4559526 Security alarm system
08/1985
08/27/1985US4538139 Signalling apparatus
08/20/1985US4536750 Car-directing apparatus for an alarm system
08/13/1985US4535324 Remote activated alarm triggering device
07/1985
07/23/1985US4531115 Remote alarm system
07/18/1985WO1985003159A1 Control apparatus
07/01/1985EP0058721A4 Ultrasonic communication and security system.
05/1985
05/28/1985US4520349 Alarm system activated by buzzers
03/1985
03/26/1985US4507653 Electronic sound detecting unit for locating missing articles
02/1985
02/13/1985EP0133159A1 Warning device for a fluid distribution apparatus
01/1985
01/17/1985WO1985000233A1 Electronic sound detecting unit for locating missing articles
01/08/1985US4492296 Circuit arrangement in a coin acceptor unit
10/1984
10/09/1984US4476469 Means for assisting in locating an object
09/1984
09/11/1984CA1174328A1 Capacitive touch entry apparatus having high degree of personal safety
07/1984
07/31/1984US4462513 Testing coins
07/24/1984CA1171514A1 Supervised wireless security system
06/1984
06/26/1984CA1169940A1 Circuit arrangement in a coin acceptor unit
06/19/1984US4455551 Synthetic speech communicating system and method
05/1984
05/22/1984US4450436 Acoustic alarm repeater system
04/1984
04/17/1984US4443790 Broadcast band siren alarm transmitter system for vehicles
04/10/1984CA1165421A1 Tactile sensor
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