Patents
Patents for G08B 21 - Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for (34,716)
01/1994
01/18/1994US5279505 Apparatus for securely attaching a casing to a person
01/12/1994CN1080727A 视频显示器终端磁场探测器 Video display terminal magnetic field detector
01/12/1994CN1080720A Laser cooling water pressure automatic display and alarm system
01/11/1994US5278643 Monitoring apparatus in game hall
01/11/1994US5278556 Remote controlled light emitting automobile locating alarm system
01/11/1994US5278537 Electronic alarm for avoiding collision with animals in a non-destructive manner
01/11/1994US5278414 Optical motion and angular position sensing method and sensor
01/11/1994CA2051740C Electronic assembly for restricting animals to defined areas
01/05/1994CN2152251Y Prompting device for regulating analysis language in industrial process
01/04/1994US5276434 Carbon monoxide concentration indicator and alarm
01/04/1994US5276432 Patient exit detection mechanism for hospital bed
01/04/1994US5276429 Contact detecting and signaling device
01/04/1994US5276428 Contact detecting and signaling device
12/1993
12/29/1993EP0575753A2 Electronic monitoring system
12/29/1993EP0218629B1 Method for promoting the vigilance of a motor vehicle operator and use of a suitable apparatus
12/28/1993US5274359 Portable water activated alert system with directional indicator
12/28/1993US5274358 Personal safety device having microprocess control and method for operating the same
12/23/1993WO1993026062A1 Magnetic circuits for communicating data
12/22/1993EP0574549A1 Early warning reactive gas detection system
12/22/1993CN2150591Y Voice alarming device on line for multiple industrial process
12/22/1993CN1023188C Shoe fitting system
12/21/1993US5272527 Picture image monitoring system
12/21/1993US5272466 Method and apparatus for defining a perimeter
12/21/1993US5272385 Photographic and X-ray film protection system
12/15/1993EP0483246A4 Combined bias supply and power shut-off circuit
12/15/1993CN2149126Y Pencil box for protection of near-sightedness
12/14/1993CA1325252C Branched sensor system
12/09/1993WO1993024180A1 Alarm system for solar ultraviolet causing skin diseases (assuv)
12/08/1993EP0573320A1 System for automatic identification and detection of vehicles and objects
12/07/1993US5268673 Wave motion detector for swimming pool
12/07/1993US5267568 Stress level measuring device
12/02/1993DE4218042A1 Automatic alarm system without active or visible actuation e.g for bank - alerts police to increase in cardiac activity of more than one member of staff confronted by malicious intruder
12/02/1993CA2070165A1 Alarm system for solar ultraviolet causing skin diseases (assuv)
12/01/1993CN2148363Y Gas leakage alarm device
11/1993
11/30/1993US5266944 Electronic system and method for monitoring abusers for compliance with a protective order
11/30/1993US5266928 Wet diaper detector
11/27/1993CA2096918A1 System for the identification and automatic detection of vehicles or objects
11/25/1993WO1993023736A1 Improvements relating to smoke detection scanning apparatus
11/25/1993WO1993023735A1 Gas sampling point for smoke/pollution detection systems
11/23/1993US5264834 Power equipment warning device
11/17/1993CN2146747Y Vibrating alarm
11/16/1993US5262758 System and method for monitoring temperature
11/16/1993US5261268 Gas leak detection system
11/09/1993US5260688 Crane hoist safety deactivator
11/09/1993US5260684 Warning system for a child's restraining seat for use in a passenger vehicle
11/09/1993US5260563 Compact laser warning receiver
11/03/1993EP0567593A1 Method and apparatus for enhancing hygiene
11/03/1993CN2145414Y Siren for gas leak
11/02/1993US5258746 Manually actuatable wrist alarm having a high-intensity sonic alarm signal
10/1993
10/28/1993WO1993021615A1 Method for supervising the level of alertness of a person
10/28/1993WO1993021538A1 Video display terminal magnetic field detector
10/28/1993DE4312590A1 Infrared soiling or icing indicator for vehicle windscreen - evaluates intensity-modulated IR beam reflected from windscreen to photodetector with daylight filter to initiate warning or activate e.g. windscreen cleaning.
10/27/1993CN2144839Y Harmful gas safety alarm helmet
10/19/1993US5254970 Programmable personal alarm
10/14/1993WO1993020543A1 Crane hoist safety deactivator
10/14/1993WO1993020542A1 Atmosphere monitoring
10/14/1993WO1993020541A1 Pool alarm
10/14/1993DE4239271A1 Anti-theft system for vehicle using transmitted signals - has transmitter initiated by signal when object removed ,which provides identification data and also GPS location data
10/13/1993EP0565099A1 A system for detecting parameters onboard vehicles
10/12/1993US5252786 Hollow cylindrical shaped chimes
10/11/1993CA2093717A1 System for detecting parameters on board vehicles
10/06/1993CN2143347Y Miniature gas alarm
09/1993
09/30/1993WO1993019437A1 Child monitoring apparatus
09/29/1993CN2142970Y Convenient wet bell
09/28/1993US5248959 Earthquake warning device
09/28/1993US5248187 Seat belt extension apparatus
09/23/1993DE4308210A1 Alarm system for car parking house using parking card - having built in resonator circuit that can be activated by peeling back foil to interact with alarm units within building
09/22/1993EP0561560A1 Frequency divider with variable capacitance
09/21/1993US5246043 Device for detecting a liquid level and syphon device therefor
09/19/1993CA2091753A1 Frequency divider with variable capacitance
09/15/1993EP0551278A4 Pet locator system and method
09/15/1993EP0333771B1 Personal alarm system
09/14/1993US5245317 Article theft detection apparatus
09/14/1993US5245314 Location monitoring system
09/07/1993US5243339 Flight crew response monitor
09/02/1993WO1993016636A1 Wrist-held monitoring device for physical condition
09/01/1993EP0557407A1 Soft sensor mounting
09/01/1993EP0362231B1 Remote confinement system
09/01/1993CN2141289Y Infusion monitor
08/1993
08/25/1993EP0235141B1 Ultraviolet radiation monitoring device
08/19/1993WO1993016485A1 Compact laser warning receiver
08/19/1993WO1993016376A1 Multiple k factor, selectable gas detector
08/18/1993CN2140543Y Disaster alarm
08/18/1993CN2140521Y Valve monitoring alarm instrument
08/17/1993US5237310 Pump monitor
08/11/1993CN2140086Y Auto-controlled power for providing gas poisoning
08/11/1993CN1075204A Full-automatic level measuring and warning equipment for powder material storing bin
08/10/1993US5235322 Personal protection system
08/10/1993US5235319 Patient monitoring system
08/04/1993CN2139734Y Ray safety interlocker
08/03/1993US5233499 Automatic shaft ground conditioner
08/03/1993US5233330 Alarm circuits to indicate the open status of circuit breakers or fuses for DC telecom and AC distribution circuits
07/1993
07/28/1993EP0552939A2 Car stereo equipment
07/28/1993CN2139283Y Alarm controller for combustible gas leakage
07/28/1993CN2139281Y Electronic monitor for oil press
07/28/1993CN1074775A automatic alarm and cuiting off device for the leakage of combustible gases
07/27/1993US5230563 Liquid level monitoring device
07/21/1993EP0551496A1 Integrated safety monitoring and alarm system
07/21/1993EP0551278A1 Pet locator system and method
07/21/1993CN2138503Y Transfusion alarm device