Patents
Patents for H01H 35 - Switches operated by change of a physical condition (7,690)
09/1994
09/28/1994EP0617445A1 High pressure switch apparatus
09/28/1994EP0617444A1 Deceleration sensor switch for use in a vehicle occupant safety system
09/28/1994EP0616721A1 Pressure switch device
09/28/1994CN2178383Y Navicular load type pressure relay
09/22/1994DE4308259A1 Timer device for an iron
09/14/1994CN1092202A Automatic warning switch for speed reduction of vehicle
09/08/1994DE4306488A1 Actuating system for air bags
09/01/1994WO1994019243A1 Electrical switches and sensors which use a non-toxic liquid metal composition
09/01/1994CA2153662A1 Electrical switches and sensors which use a non-toxic liquid metal composition
08/1994
08/31/1994CN2175970Y Pressure relay
08/31/1994CN2175969Y Waterflow controlling automactic electric switch by prolonging distance
08/31/1994CN2175968Y Waterflow controlling automatic electric switch by prolonging distance
08/24/1994CN2175466Y All-direction trigger switch
08/17/1994EP0610464A1 Inertia switch.
08/16/1994US5338908 Vented pressure switch apparatus
08/16/1994US5338905 Acceleration sensor
08/09/1994US5336858 Pressure operated switch construction, parts therefor and methods of making the same
08/09/1994US5335941 Vehicle deceleration sensor
08/09/1994US5335749 Crash sensor
08/04/1994DE4302477A1 Vehicle with long braking delay warning apparatus
08/03/1994CN2173454Y Float relay with automatic air releasing
08/03/1994CN2173452Y Semiautomatic check table for air relay
08/02/1994US5334963 Inertia and inductance switches
07/1994
07/27/1994EP0607676A1 Differential pressure monitoring device and method of setting the same
07/27/1994EP0607438A1 Switch device and its wiring structure
07/26/1994US5332876 Electrical tilt switch employing multiple conductive spheres
07/26/1994US5332875 Shock sensor switch
07/26/1994US5331856 Pressure devices
07/21/1994WO1994016418A1 Transducer apparatus responsive to external perturbation
07/21/1994DE4301022A1 Appts. with pneumatically or hydraulically operated electric switch
07/21/1994CA2152801A1 Transducer apparatus responsive to external perturbation
07/20/1994EP0606693A1 Shock sensor with a magnetically operated reed switch
07/20/1994CA2113408A1 Differential pressure monitoring device and method
07/19/1994US5331126 Pressure switch apparatus for monitoring pressure level in an enclosed chamber and methods of calibrating same and for making a movable contact arm for use therewith
07/13/1994CN2171914Y Whole-position dipangle switch
07/12/1994US5329081 Moisture sensor and switch
07/07/1994DE4327294A1 Key operation sensors and evaluation circuit, e.g. for vehicle or office door key
07/06/1994EP0605101A1 Acceleration switch
07/06/1994EP0500591B1 A free machining, non-magnetic, austenitic stainless steel alloy and a magnetically biased device incorporating the same
07/05/1994US5326948 Apparatus for equipment unit protection switching
07/05/1994US5326945 Shock sensor
06/1994
06/30/1994DE4312248C1 Electric contact switch for hydraulic cylinder in rubbish collecting vehicle
06/30/1994DE4308090C1 Electric pressure switch for compressor unit motor protection
06/29/1994CN2170574Y Oil leakage prevention relay for hydraulic system
06/29/1994CN2170573Y Convertor for induction of outside disturbance
06/29/1994CN2170114Y Corrector for visual distance
06/28/1994US5325078 Gravity actuated magnetic switch
06/21/1994US5322981 Velocity change sensor with a cylindrical magnet
06/21/1994US5322325 Safing velocity change sensor
06/16/1994DE4241673A1 Arrangement of sensor for safety device in motor vehicle - has support in the form of a foam body filling vehicle cavity or steel tube
06/16/1994DE4241436A1 Resettable sensor for triggering occupant restraint in motor vehicle - functions by penetration of needles through oppositely polarised conductive layers when side door is impacted
06/15/1994EP0601810A1 High pressure responsive switch and method for making same
06/14/1994US5321220 Pressure switch
06/09/1994DE4240591A1 Electrical indication switch for sacrificial anode - has earth contact in contact chamber outside stroke path of contact body for increased working life
06/09/1994DE4240399A1 Impact sensor for activating vehicle passenger safety device - uses needles penetrating multi-layer structure consisting of alternating conductive and insulating layers upon impact
06/08/1994CN2168375Y Electrothermal element protector
06/08/1994CN2168330Y Double-position controlling relay
06/07/1994US5317954 Pressure switch assembly
06/01/1994EP0598919A1 Shock sensor
06/01/1994CN2167439Y Imitating volume outputting pressure-difference type pressure relay
06/01/1994CN2167438Y Rolling ball type shaping switch
05/1994
05/31/1994US5315909 Musical wind chime
05/26/1994WO1994011741A1 Acceleration sensor
05/26/1994DE4238930A1 Positional change or movement detector for detonating mine or triggering alarm - has closed chamber into which project edge-contacts of double-sided PCB, and detects breaking and re-making of contacts caused by conductive sphere rolling within chamber
05/26/1994DE4238880A1 Acceleration switch for e.g. motor vehicle - has polarisation directions of magnets perpendicular to long axis of tilting member and contacts of reed switch in tilting direction
05/25/1994EP0597879A1 Acceleration sensor and process for its production
05/24/1994US5315281 Thermostatically controlled switch
05/18/1994CN2165523Y Gravity controller for electric machine
05/17/1994US5313194 Rupture disk sensing assembly
05/10/1994US5310970 Pressure operated switch construction and method of making the same
05/04/1994EP0595446A1 Gravity actuated magnetic switch
05/04/1994EP0595210A1 Diaphragm assembly for a pressure switch
05/03/1994US5308940 Vented pressure switch apparatus
05/03/1994US5308939 Pressure equalizing mechanism for a pressure switch
04/1994
04/28/1994WO1994009504A1 Direct mount pressure control with a field adjustable trip point and reset point
04/28/1994WO1994009503A1 Pressure switch device
04/27/1994EP0594501A1 Helmet
04/27/1994CN2163454Y Electrical kettle safety receptacle
04/27/1994CN2163369Y Head-wearing sitting posture correcting indicator
04/26/1994US5306885 Cable attaching device
04/26/1994US5306883 Deceleration sensor switch for use in a vehicle occupant safety system
04/23/1994CA2108721A1 Helmet
04/21/1994DE4234579A1 Safety switch esp. for three-phase electric water heater - is activated by plunger movement consequent on excessive difference between pressures on opposite faces of diaphragm
04/20/1994EP0592824A1 Bellows actuator for condition-responsive control device
04/19/1994US5304759 Direct mount pressure control with a field adjustable trip point and reset point
04/19/1994US5304758 Temperature compensated low pressure switch for hybrid inflators
04/19/1994US5304757 Combination differential and static pressure switch
04/19/1994US5304756 Acceleration sensor with diagnostic resistor for detecting broken contacts
04/13/1994CN2161984Y Three-dimensional coordinates vibrating switch
04/06/1994EP0591118A1 A liquid indicator
04/06/1994EP0590478A2 Inclination/vibration detecting switch
04/06/1994CN2160983Y 液位开关 Level Switches
04/05/1994US5300741 Pressure responsive control device
04/05/1994US5300369 Electric energy cell with internal failure compensation
03/1994
03/31/1994WO1994007253A1 Quick-response accelerometer with increased contact dwell time
03/30/1994EP0589466A1 Impact sensor for vehicle safety restraint system
03/30/1994CN2160150Y Protective relay when water cut-off
03/22/1994US5296747 Diaphragm operated electrical polarity reversing switch
03/22/1994US5296659 Differential pressure monitoring device
03/17/1994WO1994006144A1 Inertia switch
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