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| Number | Title | Issue Date |
| 7411140 | Inertial mass detection device An inertial mass detection device. An illustrative embodiment of the device includes a generally elongated ball track, at least one pair of spaced-apart switch contacts provided on the ball track, a battery connected to a first one of the at least one pair of spaced... | 08/12/2008 |
| 7364602 | Air cleaner assembly An air cleaner assembly for use with a conventional household air conditioning system with a duct having an opening sized to receive a standard panel filter comprises a peripheral frame sized to be received within the opening in the return duct and sized to receive ... | 04/29/2008 |
| 7351925 | Method and apparatus for detecting free fall A data processing system including a data storage device having data stored on a data storage medium. Within said data processing system, a system electronics is operatively coupled to a sensor and to said data storage device. When the sensor senses a change in grav... | 04/01/2008 |
| 7332685 | Vibration switch A vibration switch includes a conductive housing defining a chamber, a first electrode having a first end projecting outwardly of the housing and a second end projecting into the chamber, a moving element disposed movably in the chamber and spaced apart from the sec... | 02/19/2008 |
| 7319200 | Jerking-initiated switch A jerking-initiated switch includes first and third shank members secured to an insulating frame and spaced apart from each other, and at least one second shank member interposed therebetween. Each of the shank members has a contact terminal extending outwardly of t... | 01/15/2008 |
| 7315004 | Motion-activated electrical switch A motion-activated electrical switch has a pair of spaced electrical circuits, each disposed on a support, and an electrical conductor interposed between spaced from and electrically insulated from the electrical circuits. An electrically conductive movable element ... | 01/01/2008 |
| 7170402 | Automatic braking light An inertia-activated braking light (1) for attachment to pedal cycles and the like. A display of LEDs (15) is automatically illuminated on deceleration. This is achieved by an inertia mass closing a circuit on deceleration to provide electrical power t... | 01/30/2007 |
| 7154406 | Power tool level indicator A power tool includes a leveling mechanism that determines horizontal or vertical planes of the power tool. The leveling mechanism has a housing with a cavity in the housing. A rotating member is in the housing. The rotating member moves in the cavity such that the ... | 12/26/2006 |
| 7151235 | Motion sensor A motion sensor for tire pressure monitors and other applications includes an insulative collar, a conductive coil spring mounted on the cap, a conductive connector that extend through the cap and connects to the spring, and a conductive can around and spaced from t... | 12/19/2006 |
| 7000927 | Leveling sensor/switch W/hydraulic control valve for vehicle leveling systems This invention consists of a Level Sensing Device and Hydraulic Control Valve, which, when, as a team, is applied to a system with a Hydraulic Pump W/Oil Reservoir, three or four Hydraulic Jacks, three or four Normally-Open Solenoid-Operated In-Line Hydraulic Valves... | 02/21/2006 |
| 6949713 | Lighting system having vibration switch and with plurality of displaying sequences A lighting system having a vibration switch for a footwear is disclosed. The system comprise a vibrating switch turning “on” or “off” responsive to motions of the footwear. The vibrating switch further comprises an isolating housing, a spring on the isolatin... | 09/27/2005 |
| 6917004 | Earthquake actuated micro switch An earthquake actuated micro switch includes a ball which falls into a micro switch actuating position when disturbed. The ball normally resides in a shallow ball seat. A sufficient disturbance causes the ball to escape the ball seat, and fall into a switch seat. Wh... | 07/12/2005 |
| 6809276 | Inertially activated switch A switch according to this invention is particularly intended for use with articles of footwear as part of a light module which also includes one or more batteries, an integrated circuit and wire connections to LEDs or other sources of light mounted to the outsole o... | 10/26/2004 |
| 6784386 | Vibration switch with axially extending deflectable electric contact A vibration switch includes a housing with two side walls and a surrounding wall interposed therebetween to confine an accommodation chamber, two electric contact terminals respectively having contact ends extending in the chamber and electrically insulated and spac... | 08/31/2004 |
| 6642461 | Deceleration impact detector for use in automotive vehicle A deceleration impact detector for detecting a vehicle collision or the like is composed of a rotor having an eccentric gravity center, a spring biasing the rotor to its initial position, a cam connected to rotor, and a pair of contacts consisting of a mo... | 11/04/2003 |
| 6555772 | Vibration switch A vibration switch includes an electric contact body which is movably disposed in an accommodation chamber of a housing in an upright direction. A biasing member holds and restrains the contact body from moving towards a lower inner wall surface of the ho... | 04/29/2003 |
| 6545235 | Vibration switch with movable coil spring contact A vibration switch includes a housing with an accommodation chamber for receiving securely a deflectable electric contact body. Two electric contact terminals respectively have connecting ends adapted to be connected to a support, and contact ends dispose... | 04/08/2003 |
| 6518523 | Tilt switch A tilt switch includes an insulating housing with an inner peripheral wall surface which confines an accommodation chamber for rollably receiving an electrically conductive ball. First and second electric contact terminals have upper end portions inserted... | 02/11/2003 |
| 6313418 | Glass encapsulated extended dwell shock sensor A shock sensor has a sensing mass mounted on a metallic reed or spring which, under the influence of a crash-induced acceleration, drives the spring against a contact to close an electrical circuit. The contact end of the spring is twisted to be oriented ... | 11/06/2001 |
| 5955712 | Inertial switch An inertial switch includes an open-ended outer casing formed of electrically conductive material. An insulated end cap is engageable with the open end of the outer casing to enclose the outer casing. An electrically conductive pin extends through the end... | 09/21/1999 |
| 5923263 | Driver safety and swimming pool safety device Versatile safety device that detects tilting usable in combination with a hat for driver alertness or in combination with a floatation device for swimming pool safety. Device is composed primarily of two lightweight metallic cups resting on a generally fl... | 07/13/1999 |
| 5880351 | Vibration sensing element and vibration sensor A vibration sensing element includes a hermetically sealed case, a fixed electrode member made of a nonmagnetic electrically conductive material and fixed to the case with its tip portion projecting into the case, a movable electrode member made of an ele... | 03/09/1999 |
| 5854457 | Tilting on-off switch A tilting ON-OFF switch is made up of a pair of fixed contact pieces placed on the bottom of a columnar cavity defined by a housing and a cap and spaced a predetermined distance apart in the circumferential direction, a movable contact piece having plural... | 12/29/1998 |
| 5814778 | Multiple sphere motion detector A motion detector includes a plurality of electrically conductive spheres contained within a chamber having a height slightly greater than the sphere diameter. In a first embodiment, a top wall of the chamber consists of a circuit board having a pattern o... | 09/29/1998 |
| 5796005 | Flex meter for sports game implements A combination of an implement employed in a sports game to impact with a body, and a device coupled to the implement which measures the natural frequency and the relative amplitude of vibration of the implement resulting from the impact. The implement can... | 08/18/1998 |
| 5789716 | One-way shaking switch A one-way shaking switch including a housing, a steel ball, a spring, a cover board and an upper and a lower metal terminals. The housing is integrally formed with a circular cavity, a transverse cavity and a longitudinal rectangular cavity disposed there... | 08/04/1998 |
| 5786553 | Inertial switch An inertial switch includes an open-ended outer casing formed of electrically conductive material. An insulated end cap is engageable with the open end of the outer casing to enclose the outer casing. An electrically conductive pin extends through the end... | 07/28/1998 |
| 5712617 | Inertia brakelight flasher A flasher for intermittently operating a third brakelight in response to a predetermined deceleration of a vehicle. The inventive device includes a flasher relay electrically couplable to the power supply line of the third brakelight. A mechanical deceler... | 01/27/1998 |
| 5610337 | Method of measuring the amplitude and frequency of an acceleration A digital accelerometer manufactured from arrays 11a-11e of micro-mechanical sensing elements 12. The sensing elements 12 of different arrays 11a-11e are designed for detecting acceleration in a particular rotational or translational direction, such that ... | 03/11/1997 |
| 5596183 | Seismically activated appliance switch A housing supports a seismically responsive switch mechanism having an annular contact ring defining a center aperture within which a contact weight is resiliently supported by a flexible spring rod. A silicon-controlled rectifier is operatively coupled t... | 01/21/1997 |
| 5551293 | Micro-machined accelerometer array with shield plane An accelerative force may be measured using a plurality of deflection elements (102), each deflection element (102) comprising an inertial mass (104), and at least one hinge (104) supporting the inertial mass (104) in a normal position. Application of a f... | 09/03/1996 |
| 5526688 | Digital flexure beam accelerometer and method An accelerative force may be measured using a plurality of deflection elements (102), each deflection element (102) comprising an inertial mass (104), and at least one hinge (104) supporting the inertial mass (104) in a normal position. Application of a f... | 06/18/1996 |
| 5477428 | Underhood lamp assembly with gravity-actuated switch A gravity-actuated switch having a switch module with a switch housing and a lid. An electrically conductive pendulum is pivotally secured to the lid via a pivot pin so that the pendulum hangs within the housing and pivots with respect to the housing unde... | 12/19/1995 |
| 5465197 | Portable light A portable light includes a shell which defines an opening. The shell is linked to a lens so as to cover the opening therein. A printed circuit board (PCB) is contained in the shell. The PCB is operatively connected with a light emitting diode (LED) for f... | 11/07/1995 |
| 5463537 | Flashing light device A device capable of flashing upon movement of the device comprising at least one light emitting diode having a first preformed conductor connected to a cathode of the diode and a second preformed conductor connected to an anode of the diode; a first arran... | 10/31/1995 |
| 5457293 | Inertia or gravity responsive tilt switch A unique geometry is used to amplify the force created by gravity on a tilting mass to substantially increase the resulting contact force in a mechanical tilt switch. In some cases a novel contact surface containing abrasive particles is also used to subs... | 10/10/1995 |
| 5424501 | Deceleration sensor switch for use in a vehicle occupant safety system A deceleration sensor switch (10) comprises a base (12) and a mass (60) pivotable from an unactuated position to an actuated position when the mass is subjected to deceleration of at least a predetermined magnitude. A first electrically conductive portion... | 06/13/1995 |
| 5418523 | Earthquake motion detector alarm The Earthquake Motion Detector Alarm consists of a pendulum hanging within a sensor ring. At the instant of earth movement, the pendulum weight will make contact with the sensor ring setting off an audio alarm and floodlamp. The magnetized sensor ring can... | 05/23/1995 |
| 5389751 | Long dwell crash sensor A vehicle crash detecting sensor having a pivoted sensing mass which rotates, in response to vehicle deceleration occurring in a crash of a vehicle, from an at-rest position through a second position of rotation at which time airbag deployment is enabled ... | 02/14/1995 |
| 5332875 | Shock sensor switch A vibration sensitive switch has a pair of spaced apart parallel contacts contained within a switch body and a movably supported tubular mass inside a chamber in the body. The mass is supported by conductive men, bets in the form of two pairs of contact b... | 07/26/1994 |
