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5134255 Miniature acceleration switch  
This miniature normally open circuited acceleration switch has a hollow cylindrical casing closed at one end. Its other end is closed by a header having an insulated axial lead wire extending...
5126515 Acceleration detecting system  
An acceleration detecting system includes a base plate made of non-conductive material and mounted on a moving object. A stationary contact is fixedly disposed on the base plate and is formed of a...
5121100 Brake light  
A brake light, particularly for a vehicle other than an automobile, that operates using minimal energy from the vehicle. A first embodiment teaches a brake light using inertial change to initiate...
5119841 Safety shut off apparatus  
A shock or vibration activated safety shut off apparatus includes a housing, an ON/OFF member drive mechanism, a first member movable rectilinearly from a first position to a second position, a...
5118908 Gas damped deceleration switch  
A gas damped deceleration sensor for a vehicle includes a flat spring which is coaxially connected to a mass and which resists movement of the mass in response to deceleration. A preload ring is...
5109143 Gas damping control assembly for deceleration switch  
A gas damped deceleration switch activates a vehicle occupant safety device in response to deceleration of a vehicle. The deceleration switch comprises a mass supported for movement in response to...
5092172 Cantilever beam G-switch  
A sensing device for sensing acceleration consisting of a number of miniae steel bearing balls as mass elements, a housing for locating and containing the mass elements, a printed circuit board...
5092601 Pivot trainer for golfers  
A pivot trainer useful in learning a proper golf swing pivot comprises an electronic circuit having a unique transducer. The pivot trainer is designed to be worn by the golfer in proximity to his...
5089805 Brake light system to indicate intensity of slow down  
A vehicle deceleration indicator device which operates with the braking system of the vehicle. The device includes an array of lights (A), inertia switch apparatus (32, 34, 36, 38) and...
5078172 Seismic actuator  
A device for controlling an earthquake-vulnerable or other operation according to seismic activity, such as the flow of water from a reservoir or natural gas to users, includes a control unit for...
5068502 Magnetically biased velocity change sensor  
A magnetically biased velocity change sensor that is designed for mass-production fabrication and ensuing usage in supplemental inflatable restraint systems of automotive vehicles. The sensor is...
5066837 Gas damped deceleration switch  
A damping disk assembly for a gas damped deceleration switch forms part of a means for generating a vacuum to damp movement of a mass which is movable in response to deceleration. The damping disk...
5053588 Calibratable crash sensor  
A vehicle crash sensor which operates to activate a passenger safety device such as an airbag inflator is calibratable to provide a desired sensitivity of the sensor to decelerating crash pulses...
5053589 Vibration sensing device  
A vibration sensing device comprises an insulated housing having supported therein a weight and a centrally extending conducting shaft. Two spaced parallel conductors extend across the housing and...
5039843 Safety cutout device  
A safety cutout device for electric loads, particularly for use in pressing irons and portable heating apparatus, has a temperature switch, such as a bimetallic switch, which is adapted to be...
5034579 Motion sensor  
A motion sensor has a ball of electrically conductive material in an annular ball race around which the ball can travel in response to motion of the sensor and electrical contacts spaced apart...
5034580 Collision sensor  
A collision sensor adapted to sense acceleration applied thereto in the event of collision of a vehicle and actuate an occupant protective system. A rotary element has an outer peripheral surface...
5031931 Velocity change sensor with spring bias  
An accelerometer for a passenger restrain system in a motor vehicle includes a housing with a path for an inertial element, and spring members for urging the inertial element toward a preselected...
5027105 Motion detectors and security devices incorporating same  
A security device for the prevention of theft is described. It comprises an alarm, a motion detector which provides a signal, effective through an electrical circuit for actuation of the alarm....
5025246 EAS tag with motion detection facility  
An electrical article surveillance (EAS) tag is inclusive of an electrical power source contained with the tag and circuitry powered by the electrical power source and a motion sensor operatively...
5012050 Dual pole switch assembly for an inertia actuated switch  
An inertia switch comprises a mass which actuates an electrical switch assembly upon being subjected to a predetermined velocity change. The switch assembly comprises a set of two electrical...
5010893 Motion sensor for implanted medical device  
A motion sensor for use within an implantable medical device provides a digital output signal that can be connected directly to the digital processing and control circuits of a pacemaker or other...
5010217 Inertia switch mounting housing  
An inertia switch assembly comprises an inertia switch assembly element encapsulated by potting material within a housing. The inertia switch assembly element comprises a non-magnetic enclosure...
5008501 Collision detecting device for motor vehicles  
A collision detecting device for a motor vehicle includes a base plate coupled within an open end of a bottomed cylindrical case and secured in place to provide a sealed chamber, a support shaft...
5001933 Micromechanical vibration sensor  
The bearing failure sensor includes a micromachined mechanical resonator h a conductive cantilevered beam mounted on a conventional insulating substrate to form a microchip. A conductive contact...
4991682 Acceleration sensor  
A sensor, preferably one of sub-miniature design, serves for measuring an acceleration (b). For this purpose, an electric signal representative of the acceleration (b) to be measured is generated...
4980575 Motion sensor and detection system  
A motion sensor comprises first and second housings comprised of electrically conductive material, first and second electrically conductive elements movably supported respectively in the first and...
4948171 Acceleration sensor for safety systems and/or seat belt systems in motor vehicles  
An acceleration sensor for safety systems such as seat belt systems in motor vehicles, particularly so-called buckle-connected tighteners, comprises a sensor mass which is generally held in a...
4945347 Motion and orientation responsive device for seismic, intrusion, and tilt alarms and the like  
A motion and orientation responsive device having a pendulum pivotally mounted between its ends, and means for detecting relative displacement of the upper pendulum end and a zero position...
4929805 Gas damped deceleration switch  
A deceleration switch for detecting deceleration in excess of a certain magnitude which, for instance, may be indicative of a vehicle crash, comprising: a pair of electrodes having internal and...
4920330 Mercury inertial transducer and light-emitting indicator for motor vehicles  
A mercury inertial transducer includes a casing which defines an essentially L-shaped cavity having a substantially horizontal lower arm and a substantially vertical ascending arm; a volume of...
4916266 Miniature omnidirectional instantly responsive impact switch  
This miniature omnidirectional impact switch has a generally cylindrical electrically conductive mass held by coil spring bias in abutment with a conductive header wall at one end of a cylindrical...
4903720 Safety shut off device  
A shock activated shut-off device which can be used in any position includes a housing, a drive member rotatably mounted within the housing, a first member movable rectilinearly from a first...
4879556 Joystick control unit using multiple substrates  
A joystick control unit. The control unit includes a controller, such as a handle, transmitting coil, plurality of receiving coils, and plurality of substrates. The handle may be subjected to...
4866418 Arrangement for automatic release of occupant protecting devices in the event of accident  
An arrangement for automatic release of occupant protecting devices in vehicles, particularly power vehicles, by means of producing a control signal in response to a deviation from an acceptable...
4859818 Electric inertia-actuated circuit breaker  
An inertia-actuated circuit breaker for protecting an electrical circuit of a motor vehicle in the event of collision or overturning of the vehicle, the circuit breaker including a piston with a...
4857680 Acceleration sensor  
An acceleration sensor is provided for electrically activating electrically operated automotive occupant restraints which employs switch contacts arranged in a cylindrical housing to resiliently...
4855544 Multiple level miniature electromechanical accelerometer switch  
An accelerometer switch which has cantilever beams carrying integral end masses formed in a silicon die which is sandwiched between a contact plate and a support plate. Each beam provides...
4841287 Earthquake utilities cut-off control system  
A seismic detector which generates an electrical signal in response to the occurrence of a vertical seismic wave predetermined magnitude is mounted in a weather-proof container in or adjacent an...
4839479 Article using shape-memory alloy to improve and/or control the speed of recovery  
An article in the form of a projectile, a shock-sensitive switch or a sabot having an active component of shape-memory alloy which exhibits the shape-memory effect to provide a mechanical movement...
4833281 Motion detector  
A motion detector particularly adapted for use with the transmitter of a motor vehicle keyless entry system. The motion detector causes the transmitter device carried by the user to transmit a...
4815320 Inertia sensor  
An inertia body moves from a rest position in response to an applied acceleration and in so doing operates an electrical switch remote from the rest position. The body moves on spaced rails of a...
4809335 Speech unit for dolls and other toys  
A speech unit for producing preselected words or phrases based on the orientation of a toy doll or figure. A gravity sensing means produces an output corresponding to the orientation of the...
4803342 Flat-iron safety device utilizing a dual internal timing circuit  
An electric flat-iron safety device includes a magnet pivotally supported in a flat-iron and arranged to actuate a first magnetically operated switch only when the flat-iron is in a horizontal...
4789922 Earthquake safety light  
A light suitable to be mounted upon the wall of a building or a room thereof wherein the light contains an apparatus comprising a weighted object which will be displaced at the existence of an...
4789762 Miniature multiplanar acceleration switch  
This miniature multiplanar acceleration switch has a generally cylindrical electrically conductive mass held by coil spring bias in abutment with one end of a cylindrical chamber in a metal shell....
4775854 Swimming pool alarm  
A swimming pool alarm is made in the form of an upright floating inverted frusto-cone wherein the narrow part of the cone rises above the floating base and a perimeter surrounds the base above the...
4769629 Stop light for a motorcyclist's helmet  
An apparatus for actuating and deactuating a brake light affixed to a motorcyclist's helmet without any interface to the motorcycle. The apparatus illuminates and extinguishes the light by sensing...
4764761 Earthquake alarm  
Earthquake sensing device which has a ball with a metallic surface which is resting atop a perch having a narrow upper base. In case of a tremor, the ball falls off the perch and is intercepted by...
4764762 Earthquake alarm assembly  
An alarm assembly specifically designed to warn sleeping occupants within a dwelling structure as to the occurrence of earth tremors such as those caused by relatively serious earthquakes wherein...