Class 200/404 - Magnetic snap

Subclass of Class 200 - Electricity: circuit makers and breakers
Definition: Subject matter including a magnet to cause a rapid or abrupt
No. of patents: 32
Last issue date: 12/13/2011

Number	Title	Issue Date
8076601	Input key structure for electronic device An input key structure for an electronic device includes a first magnetic body, a circuit board and a second magnetic body. The circuit board has a switch. The second magnetic body rotates relative to the first magnetic body to selectively locate between an initial ...	12/13/2011
7173527	Pull-apart contact using magnets to complete the circuit An apparatus and method are provided for a security device for residential and/or commercial use. A first magnetic member has a first magnet with a north and south pole, and a second magnetic member has a second magnet with a south and north pole. Contact between th...	02/06/2007
7167675	Magnetic switch and apparatus including magnetic switch A magnetic switch and children's apparatuses, such as print media apparatuses and plush dolls, which include magnetic switches are disclosed. One magnetic switch includes a first conductor and a second conductor spaced apart from the first conductor. A third conduct...	01/23/2007
7091806	Reducing effect of magnetic and electromagnetic fields on an implant's magnet and/or electronics An implantable magnet that can freely turn in response to an external magnetic field, thus avoiding torque and demagnetization on the implantable magnet. The implantable magnet can be combined with an electric switching function depending on the orientation of an ex...	08/15/2006
6922123	Magnetic detent action for switches The present invention involves a magnetic detent action device for switches utilizes the magnetic field interaction of a pair of magnetic members each having a side-by-side multipole magnetic pattern. One magnetic member is fixed relative to a switch body, while the...	07/26/2005
6864679	Rotary manipulation type input device and electronic apparatus using the same A rotary manipulation type input device obtains a specified output by detecting intensity changes of magnetic field due to rotation of an operating element by a detecting element disposed on a substrate beneath a base, using a ring-shaped magnet disposed at the lowe...	03/08/2005
6759933	Position selector device A position selector device having: (a) an inverted cup-like base body with an upper portion and a side portion; (b) a substantially cylindrical rotary member mounted on a shaft, and arranged to rotate within the base body; (c) a first position s...	07/06/2004
6744340	Switch with magnetically coupled rocker armature An electrical switch, such as a two-position rocker or a momentary rocker switch, has an electrically conductive armature made of magnetic material that includes at least two faces extending from a common vertex. The armature is mounted to pivot about its common ver...	06/01/2004
6689972	High security switch A high security switch employs cooperative magnets which define the mode characteristics of the switch. The polarities and/or pole orientations between various magnets of the assembly are selected so that momentary or maintain switch positions can be obta...	02/10/2004
6642824	Magnetic encoder with snap action switch The disclosure is directed to an encoder apparatus that is capable of resolving magnetically axial and/or rotational displacements of a knob shaft thereof independently and includes a magnetic snap action switch, and a method of assembling the same. In on...	11/04/2003
4894499	Electric push-button switch The electric push-button switch comprises a housing portion and a linearly moveable push-button portion. Guide columns at the housing portion and the push-button portion attain accurate linear guiding and rotational positioning of the push-button portion....	01/16/1990
4868530	Electronic switch Electronic switch comprising an operating means (1;7;12;15;18) movable in the switch. The operating means has only one magnetic pole operative for its motion, said pole being arranged to coact without contact with at least one second magnetic pole of a se...	09/19/1989
4857783	Brushless direct current motor incorporating a magnetically influenced switch A brushless direct current (DC) motor operating on the interaction of a permanent magnet rotor with an electromagnetic torque-inducing stator coil. Current applied to an electromagnetic torque-inducing stator coil is controlled by a magnetically influence...	08/15/1989
4726588	Magnetic detent device and puzzle game device A detenting device used in the form of a puzzle including magnets and balls using a nonmagnetic tube around which an annular tubular magnet surrounds the tube with one magnetic pole on the entire inside surface of the tubular magnet and the opposite magne...	02/23/1988
4647737	Snap-action switch for alternating current A snap-action switch, especially microswitch for alternating current comprises at least one stationary contact (2) on a stationary contact part (1) and at least one movable contact (4) on a movable contact part (3). In order to open the switch in the prox...	03/03/1987
4499345	Magnetic snap switch A snap switch having an activating plunger which, when depressed, establishes an operative connection with a return spring, and causes the tensioning of a spring force accumulator. A ferromagnetic anchor is mounted pivotable about an axis running at right...	02/12/1985
4489297	Magnetic switch A magnetic switch has a fixed contact, a movable contact, and a flat, flexible blade supporting the movable contact, and movable between first and second positions in which the contacts are respectively engaged and disengaged. A blade magnet is affixed to...	12/18/1984
4471179	Magnetic snap switch A quick-break snap switch having an activating plunger which, when depressed, establishes an operative connection with a return spring and causes the charging of a spring force accumulator. A ferromagnetic anchor is mounted pivotable about an axis running...	09/11/1984
4471180	Multi-circuit switch apparatus Electrical multi-circuit switch apparatus includes a flat flux plate and a pyramid-shaped magnet having a base and three or more triangular faces defining intersecting edges, outer edges and an apex. The flux plate is fixed in a molded base in a depressio...	09/11/1984
4419550	Rotary switch apparatus having a multiple arm contact spring support A centrifugal motor switch includes a base plate having a U-shaped fixed contact bracket and a leaf spring contact unit mounted to one side. The plate is mounted adjacent the field winding. The leaf spring is a flat rectangular spring plate including side...	12/06/1983
4400594	Control keyboard for electric or electronic devices A keyboard for electric or electronic devices including a layered composite plate formed with holes through which extend the stems of keys each adapted for controlling one or several electric contacts. The contacts are closed when the corresponding key is...	08/23/1983
4364019	Multipart actuating mechanism A multi-part actuating mechanism formed of at least two correlated individual actuating elements contained within a housing. The actuating elements being arranged to move relative to each other and each being equipped with differently poled magnetic field...	12/14/1982
4354081	Push-button or keyboard with depressable keys A keyboard or push-button having at least one depressible key for actuating a contact element and changing its conduction state, wherein the key is associated with at least one free piston adapted to actuate the contact element and having a stroke shorter...	10/12/1982
4353049	Magnetically detented rotary switch A two position rotary type magnetically actuated reed switch (10) having magnetic detents is disclosed. The preferred switch includes a housing (12) having confronting magnetizable side walls (13, 14), a shaft (22) secured to the housing (12) for rotation...	10/05/1982
4348564	Slide switch Disclosed is a slide switch in which a slide is slidable between a first position and a second position. A holding arrangement holds the slide in the second position when the slide has moved into the second position and permits the slide to return from th...	09/07/1982
4296394	Magnetic switching device for contact-dependent and contactless switching A magnetic switching device comprising a drive member and a slave member having magnetically attractive surfaces, the two members move angularly with respect to one another so as to bring the magnetic surfaces in and out of contact with one another....	10/20/1981
4211991	Magnet-controlled switch Magnet-controlled switch comprising in a case at least one flexible-strip interruptor (FSI) placed between two magnetic plates, one being movable with respect to the other under the action of a manipulatable element, and at least one permanent magnet near...	07/08/1980
4170730	Multiple modular switch and wall plug A modular electric switch or wall socket comprises a pair of electrodes or screws inserted into a case to which are connected the terminals of electric current of the circuit it is desired to control, and a rockable block which actuates the breaking or co...	10/09/1979
4058693	Electric snap-action switch A snap-action switch having a housing, a push button and return springs therefor, a pair of contact assemblies and a pair of contact bridges between the contact assemblies, a jump member to alternately move the contact bridges against and away from the co...	11/15/1977
3984797	Switch operator A switch operator is provided which has an elongated element magnetically attracted to yieldably assume predetermined static or neutral position within an elongated passage formed in a stationary base. The element is adapted to be manually moved longitudi...	10/05/1976
3968488	Electronic keyboard An electronic keyboard comprises a plurality of depressable keys each one of which comprises a stem normally movable and connected through a spring to a metallic actuator. Each actuator is lodged in a supporting element jutting out from the stem and coope...	07/06/1976
3942145	Snap-action switch A snap-action switch moves a spring-biased, movable contact against a stationary contact. The switch includes a toroidal permanent magnet mounted loosely on a nonmagnetic, self lubricating plunger. The magnet is normally magnetically attracted to and adja...	03/02/1976

PatentStorm

Quotables

PatentStorm News

Class 200/404 - Magnetic snap