Class 200/61.45M - Magnetic holding means

Subclass of Class 200 - Electricity: circuit makers and breakers
No. of patents: 142
Last issue date: 04/03/2007

Number	Title	Issue Date
7199316	Multifunction switch for operating a device in a sealed container A multifunction switch for operating a device in a sealed container such as a flashlight includes at least one reed switch mounted at a location on an inner surface of the sealed container. A base plate is provided on an outer surface of the sealed container which h...	04/03/2007
7170019	Inertia switch and flashing light system Inertia switches in insulating housings are used to make or break electrical contact. The switches may be small in size, and may be used with flashing light systems in footwear or other articles. One embodiment is a directional switch sensitive to the orientation of...	01/30/2007
7091433	Low profile automotive latch release switch assembly A switch assembly for triggering the release of a door latch that provides improved tactile feedback to a user when actuated is disclosed. The switch assembly provides a tactile response to the user that indicates proper actuation by the force feedback that is provi...	08/15/2006
6846994	System and method to delay closure of a normally closed electrical circuit A system and method are provided to delay closure of an electrical circuit of a battery-powered electrical device, intended to operate remotely in an environment in which the pH value changes from one value to another. Two electrical contacts of an electrical circui...	01/25/2005
6466200	Computer input device A computer input device used to input coordinates and three-dimensional graphical information into a computer. The device includes an acceleration sensor that has a fixed volume vessel containing a magnetic fluid. A non-magnetic inertial body is located i...	10/15/2002
6448517	Three-axis magnetic gravity switch A three-axis gravity switch having a curved chamber with an inner wall in the shape of a convex hemisphere, an electrically conductive outer wall in the shape of a concave hemisphere, a magnet disposed within the inner wall which retains a gravity respons...	09/10/2002
6429392	Magnetic bi-directional shock sensor An acceleration-sensing mass/magnet is positioned about the center activation region of a reed switch. Motion of the acceleration-sensing magnet in either direction along the reed switch causes the reed switch to close. A first mechanism for sensing shock...	08/06/2002
6335498	Shock sensor employing a spring coil for self-test A reed switch based shock sensor provides for passing electrical current through the coil spring used to bias the shock sensing magnetic mass. The spring is wrapped around the reed switch, allowing the coil spring to act as an electrical coil. The coil ge...	01/01/2002
6329618	Reed switch with shock sensing mass within the glass capsule A shock sensor has a shock sensing magnetic mass that rides on the inside of a glass tube that is sealed about a reed switch. The reed switch has a first stop positioned so that the shock sensing magnetic mass when resting against the first stop does not ...	12/11/2001
6297463	Out-of-fluid detector for reciprocating pumps A dynamic displacement sensor for detecting an out-of-fluid condition in a liquid delivery system detects an increased amplitude of pump motion of a reciprocating air pump and provides an output signal upon detecting the increased amplitude motion. The de...	10/02/2001
6236005	Micromechanical acceleration switch A micromechanical acceleration switch of silicon or similar materials, comprising a resilient electrode element, a proof mass, a housing and a spring element connecting the electrode element and the proof mass to the housing. The electrode element is mech...	05/22/2001
6087951	Magnetic accelerometer A magnetic accelerometer detects the sharp lateral rocking movements of an unbalanced spinning tub of a washing machine. The accelerometer has a fixed and a movable magnet that are disposed at a rest position in spaced, magnetic attraction to each other. ...	07/11/2000
6060673	Inertia switch and mounting therefor Various improvements are disclosed for an inertia switch device. The device includes an inertia body, a casting forming a compartment for the inertia body and providing a rest position therefor, and a toggle operable by the inertia body when it is disturb...	05/09/2000
6018130	Roll-over sensor with pendulum mounted magnet A shunt is pivotally mounted to form a pendulum positioned between a reed switch and a magnet. The shunt is formed of ferromagnetic material and is mounted such that as long as it remains between the reed switch and the magnet the reed switch remains open...	01/25/2000
6005205	Tilt switch A tilt switch includes an insulating switch body with an inner circumferential wall that extends from a top end to a bottom end in an upright direction to define a columnar chamber. Two electrically conductive contact terminals are disposed at an annular ...	12/21/1999
6002091	Bi-directional shock sensor employing reed switch A bidirectional shock sensor is constructed from a reed switch positioned between two shock sensing magnets. Each magnet is an annular ring which travels parallel to the reed switch reeds on a shaft spaced in a direction perpendicular to the axis of the r...	12/14/1999
5990427	Movable acceleration switch responsive to acceleration parallel to plane of substrate upon which the switch is fabricated and methods A micro-miniature acceleration switch (240) has a substrate (242) and an inertial mass member ("IMM" 244) fabricated upon the substrate. The substrate (242) has a planar surface (246), and the IMM (244) can slide relative to the substrate from a first pos...	11/23/1999
5965855	Detecting device, method for manufacturing the detecting device and electronic apparatus using the detecting device A detecting device includes a device body having a containing chamber formed therein, a plurality of electrode members which are provided in the containing chamber in parallel to one another, a conductive movable body which is movably arranged in a space ...	10/12/1999
5963137	Alarm device for monitoring an individual's movement and/or need for assistance An audible, visual, and remote alarm system designed to monitor the status of a person in another room to know when assistance or attention may be needed; thereby, reducing or alleviating the caregiver's dilemma of being tethered to a very small area. The...	10/05/1999
5955714	Roll-over shunt sensor A ferromagnetic shunt is pivotally mounted to a housing to form a pendulum which swings between a reed switch and a magnet. As long as the shunt remains between the reed switch and the magnet the reed switch remains open. The shunt is held or biased betwe...	09/21/1999
5939961	Electric safety locking device An electric locking device includes at least one main switch with a make contact, one secondary magnetic flexible leaf switch with a break contact, at least one auxiliary relay including at least one make contact, and an external control member comprising...	08/17/1999
5920046	Inclination detector for vehicle capable of detecting inclination direction An inclination detector has a mass rotating in the first and second directions, a pair of rotors, first and second moving contacts and first and second stationary contacts. When the inclination detector inclines to the left, torque is applied to a weight ...	07/06/1999
5883347	Accelerometer having lateral pole piece biasing elements An accelerometer (10) features a housing (12) having an passage (14) of rectangular cross-section formed therein, and one embodiment the width dimension gradually increases with increasing displacement along a central longitudinal axis (16) away from a fi...	03/16/1999
5834649	Vibration sensor including a movable magnet positioned between stationary magnets A vibration sensor includes a first stationary magnet, a second stationary magnet, a movable magnet positioned between the first and second stationary magnets, and a sensor for sensing movement of the movable magnet. The movable magnet is disposed in a ma...	11/10/1998
5828138	Acceleration switch An acceleration sensitive switch (10) equipped with an inertial mass member ("IMM") (12) that is deflectable from a holding position to an actuated position in response to a predetermined acceleration force. A voltage controlled hold plate (18) generates ...	10/27/1998
5798912	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...	08/25/1998
5756896	Extended range accelerometer A low noise extended dynamic range accelerometer useful for sensitive seismic observations. The accelerometer's extended range is obtained by utilizing fixed end magnets which non-linearly oppose movement of the magnetic proof mass. Additionally, an alumi...	05/26/1998
5753872	Acceleration switch In an acceleration switch, a magnetic contact opening/closing member is disposed at a horizontal initial position above a holding member. The end portion of the contact opening/closing member is pushed upward from the initial position by a ball that rolls...	05/19/1998
5675134	Traffic accident detecting sensor for a passenger protection system in a vehicle A traffic accident detecting sensor for a passenger protection system in a vehicle includes a low-retentivity seismic mass which can move along a guide member between two extreme positions and is normally held in a first extreme position by a contact pres...	10/07/1997
5664665	Shock sensor A shock sensor capable of detecting a shock in a number of directions includes a reed switch, which is fixed inside a body and has a reed contact part which is magnetically changed from a first to a second state by way of a magnet, which is fixed inside t...	09/09/1997
5614700	Integrating accelerometer capable of sensing off-axis inputs An accelerometer (10) features a housing (12) having an passage (14) of rectangular cross-section formed therein, the width dimension of which gradually increases with increasing displacement along a central longitudinal axis (16) away from a first end (2...	03/25/1997
5597066	Acceleration limit switch An acceleration limit switch is disclosed, which includes a ball-shaped inertia body made of ferromagnetic material. The ball-shaped inertia body is maintained in a resting position by a permanent magnet opposed on a printed circuit board by two contact e...	01/28/1997
5581060	Shock sensor A shock sensor capable of detecting a shock in a number of directions includes a reed switch, which is fixed inside a body and has a reed contact part with is magnetically changed from a first to a second state by way of a magnet, which is fixed inside th...	12/03/1996
5564747	Trigger device Accommodated within a trigger casing are a firing pin arranged movably toward a detonator, an inertia body formed of a permanent magnet and defining along a central axis thereof a through-hole through which the pin extends freely, and a cylindrical perman...	10/15/1996
5496979	Accelerometer with optical switch An accelerometer (10) having a sensing mass (36) which is displaced in response to acceleration so as to alter the amount of light coupled between a pair of optical fibers (42, 44). An optical coupling is responsive to displacement of the sensing mass ind...	03/05/1996
5485041	Impact sensor for vehicle safety restraint system An acceleration sensor that includes a permanent magnet mounted for movement within a cylindrical cavity in a body of non-magnetic material. The magnet has a cylindrical geometry and an outer surface with a first portion of electrically conductive constru...	01/16/1996
5483447	Apparatus for tripping a system for the protection of occupants of a vehicle An apparatus for tripping a system for the protection of occupants of a vehicle has a first sensor (10) for sensing the acceleration of the vehicle in its direction of forward motion and a second sensor (12) for sensing the acceleration of the vehicle in ...	01/09/1996
5471021	Acceleration sensor with laterally-supported beam contacts An improved acceleration sensor (10) includes a housing (12) having an internal passage (14) defined therein, a sensing mass (18) located within the passage which moves from a first position within the passage towards a second position therein in response...	11/28/1995
5463260	Trigger device for triggering a passive restraint device in a car A trigger device which, when it is used in a seat belt tightening device or in an air bag device, prevents the malfunction to enhance reliability and also which is simple in structure, is easy to assemble and is inexpensive. The trigger device includes an...	10/31/1995
5460094	Trigger device A trigger device is provided with a firing pin made of a non-magnetic material and arranged movably toward a detonator, an inertia body formed of a permanent magnet and arranged movably toward the detonator, and a cylindrical permanent magnet having an in...	10/24/1995

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Class 200/61.45M - Magnetic holding means