Class / Patent application number | Description | Number of patent applications / Date published |
335207000 | Plural magnets | 41 |
20080272868 | MAGNETICALLY ACTIVATED SWITCH ASSEMBLY - A magnetically activated switch assembly is provided. The magnetically activated switch assembly includes a magnet and a magnetic circuit. The magnetic circuit includes a magnetically activated switch, a first set of flux conductors, and a second set of flux conductors. The first set of flux conductors has first flux conductor flanges adapted to conduct flux from ends of the magnet. The second set of flux conductors is slidingly positioned relative to the first set of flux conductors and is adapted to conduct flux from the first set of flux conductors to the magnetically activated switch. The first set of flux conductors are adapted to rotate clockwise or counter-clockwise and to tilt up or down. The first magnetic circuit is adapted to conduct flux to activate the magnetically activated switch only when the first flux conductor flanges are rotationally aligned with ends of the magnet and tilted to an operational position. | 11-06-2008 |
20080309439 | Hazard free screened switch using magnetic flux and glass - During the service for last more than 22 years in WAPDA the inventor experienced several fatal/non-fatal accidents due to electrocution. The victims were from WAPDA and Public as well of severe nature resulting into amputation of hands, arms and limbs of the body and indeed in many cases of electrocution resulting into death. Such accidents are indeed very shocking, painful for me to alarming degree. | 12-18-2008 |
20090072936 | Switching device - Magnetic attractive force of a magnet exerted on a movable contact in a sealing case through yokes changes as a result of movement of a magnetic shunt element induced by movement of a movable element located outside the sealing case. As a result, the movable contact can be brought into or out of contact with a stationary contact without involvement of entry of the movable element into the sealing case. | 03-19-2009 |
20090115558 | INTERFACE SYSTEM FOR CONTROL LEVER - The invention relates to an interface system for a vehicle having a starter motor and a transmission control lever. There is a need for such an interface system which senses control lever position and prevents starter motor operation unless the control lever is in a park position. The interface system includes a plurality of magnet members generating magnetic fields, and a plurality of magnetic sensors or Hall effect switches mounted to the lever so that movement of the lever causes the magnetic sensors to move through the magnetic fields. An interface circuit is connected to the starter motor and to the magnetic sensors. The interface circuit and the sensors cooperate to generate lever position signals. The interface circuit and the sensors also cooperate to prevent activation of the starter motor unless the lever is in its park position. Thus, the same lever position sensors are used by the transmission control system and are used to control operation of the starter. | 05-07-2009 |
20090134962 | OPENING/CLOSING DEVICE - A plurality of pairs of a movable contact point and a fixed contact point, which are opposite so that they can be contacted with and separated from each other, are provided in parallel and connected in series so that an electrical current flows in the same direction between the movable contact point and the fixed contact point, which are simultaneously closed. Permanent magnets are disposed on lateral sides of the movable contact point and the fixed contact point so that a magnetic field, which extends an arc generated between the contact points in either an upward or downward direction, is formed. | 05-28-2009 |
20090278639 | CONTROL SWITCH FOR CONTROLLING MAGNETIC LINE OF FORCE - A control switch for controlling magnetic line of force is applied to a switch of an electronic equipment or an electrical equipment. The control switch includes a controlled switch, a control part, a first magnetic element, and a second magnetic element. The control switch is located in the housing of the electronic equipment or the electrical equipment. The control switch is electrically connected with the circuit loop of the electronic equipment or the electrical equipment. The control part is located on the exterior of the housing and is movable. The first magnetic element is installed on the control part. The second magnetic element is movably installed in the housing. The second magnetic element corresponds to the contact flake of the controlled switch. The first magnetic element and the second magnetic element can selectively generate a magnetic line of force reaction. | 11-12-2009 |
20100109823 | MAGNETIC STORAGE SWITCH - Magnetic storage switch with a pole armature which can be rotated about an axis, a first switch disc (A) and a second switch disc (B), wherein the pole armature is provided between these switch discs (A, B) and the pole armature comprises a plurality of magnets which are arranged with respectively alternating polarity in the circumferential direction of the pole armature, characterised in that the switch discs (A, B) comprise magnetisable ring segments in the form of magnetic sheets and the two switch discs (A, B) are rotated relative to one another by approximately one half of the pitch with respect to the ring segments. | 05-06-2010 |
20100141365 | Magnetic Assembly for Magnetically Actuated Control Devices - A magnetically actuated apparatus, which enlarges, extends and makes continuous magnetic fields used by magnetically controlled devices, such as a magnetic reed switch for use in physical security monitoring systems is shown. Apparatus includes a sensor and a magnetic actuator for use with a movable closure member. The sensor is mounted into to a fixed support member that is arranged for displacement relative to a second movable support member. The sensor has a pair of contacts that are connectable to an electronic circuit. The contacts form a switch that is actuated by the magnetic actuator. The magnetic actuator comprises a unique elongated magnet with specific polarity or a plurality of aligned, alike permanent magnets that are mountable to the second support member. The aligned magnets have like magnetic fields that align one another and combine to form an effective magnetic actuation field that has a given magnitude and a given direction that is greater that the magnitude and direction than any one of the magnets. The elongated magnet has a specific pole for a given distance as its controlling means. The effective magnetic actuation field increases the distance in which the movable support member is displaceable relative to the fixed support member without changing the electric condition of the sensor. The present invention creates a magnetic apparatus, having a wider and controllable gap and break point distance not found in the present art. | 06-10-2010 |
20100245004 | HIGH SECURITY BALANCED MAGNETIC SWITCH - An embodiment is a magnetic switch assembly generally comprising a switch base coupled to a switch housing. The switch base and switch housing may be coupled to, for example, a door frame or other substantially fixed location. Adjacent the switch base and switch housing may be an actuating magnet base including a plurality of actuating magnets. The proximity to or distance from the actuating magnets in the actuating magnet base may actuate magnets within the switch housing to open and/or close a circuit and/or otherwise generate a signal that may be communicated by an interface cable to, for example, a security system. The magnetic switch assembly of an embodiment may include one or more features that impede and/or substantially prevent tampering to defeat the magnetic switch assembly. | 09-30-2010 |
20100271156 | UNIVERSALLY ORIENTABLE SECURITY SWITCH - The magnetic switch assembly of an embodiment generally comprises a switch housing coupled to and/or adjacent to a magnet housing. The switch housing may be coupled to, for example, a door frame, a window frame, or other substantially fixed location. The magnet housing including at least one magnet may be coupled to, for example, a door or other substantially mobile location adjacent to the switch housing. The proximity to or distance from the magnets in the magnet housing may actuate one or more reed switches within the switch housing to open and/or close a circuit and/or otherwise generate a signal that may be communicated to, for example, a security system to detect whether the door is open or closed. | 10-28-2010 |
20110025437 | Portable Light System Having a Sealed Switch - An improved switch interface is provided that does not rely on direct contact by the user interface element to the switch apparatus. This feature enables the switch to be enclosed within a housing, thereby improving reliability and longevity of the switch mechanism. | 02-03-2011 |
20110063057 | WIRELESS SWITCH WITH MULTIPOLAR ELECTROMAGNETIC GENERATOR - A wireless switch comprises a mechanical oscillator, a mechanical impulse deliverer, a first array of magnets positioned on a planar surface, a first conductor, and a power management circuit. The mechanical impulse deliverer delivers a mechanical impulse to the mechanical oscillator when the wireless switch is switched. The first array comprises a one dimensional or two dimensional array of magnets. The first conductor comprises a first serpentine conductor. The power management circuit provides DC power as a result of relative motion due to the mechanical oscillator between the first array of magnets and the first conductor. | 03-17-2011 |
20110109411 | SEALED MAGNETICALLY CONTROLLED ELECTRIC SWITCH ASSEMBLY - A sealed magnetically controlled electric switch assembly comprising an electric switch having an on/off operating means, an active magnet means, a follower magnet means, and a sealable insulating housing. The electric switch and the follower magnet means both are sealed in the housing in such a way that the on/off operating means of the switch is coupled with the follower magnet means for motion therewith. The active magnet means is disposed outside the housing in such a way that a resulting magnetic force is formed between the active magnet means and the follower magnet means to switch the on/off operating means of said switch back and forth between the on and off positions. | 05-12-2011 |
20110175692 | INPUT APPARATUS - The invention provides an input apparatus An input apparatus according to the present invention includes: an operating member, operable to move in at least X and −X directions from a neutral position; first and second magnets, being arranged with spacing along an X and −X direction and having opposite magnetic polarities to each other, wherein when the operating member moves in either one of the two directions, the first and second magnets moves in the same direction as the operating member; and a first magnetic sensor, provided at a position displaced from a middle point between the two magnets when the operating member is located in the neutral position, the position being equidistant from the two magnets. When the operating member moves in one of the two directions, the first magnetic sensor outputs a signal in accordance with the magnetic polarity of one of the first and second magnets. | 07-21-2011 |
20110193664 | DISCONNECT SWITCH - A disconnect switch includes a case having a movable contact, a stationary contact and a plurality of magnets. The movable contact is adapted to move from a first closed position where it is in physical contact with the stationary contact to a second open position. The magnets are located at predefined locations and in predefined orientations about the axis of movement of the movable contact, whereby upon the movement of the movable contact from the first position to the second open position, a current arc created by the movable contact is extinguished. | 08-11-2011 |
20110291778 | QUADRUPOLE MAGNETIC CODED SWITCH - A quadrupole magnetic coded switch includes a switch housing, an actuator, one or more switch dipole magnets, and a plurality of magnetically operated switch circuits. The actuator housing is movable relative to the switch housing. The plurality of actuator dipole magnets are coupled to the actuator housing and are movable therewith. The one or more switch dipole magnets are coupled to the switch housing. The one or more switch dipole magnets and the plurality of actuator dipole magnets are arranged to generate a quadrupole magnetic field. Each magnetically operated switch circuit is disposed within the switch housing and is configured to transition between a plurality of switch positions in response to relative movement of the actuator housing and the switch housing. | 12-01-2011 |
20110316655 | Toggle Switch With Magnetic Mechanical And Electrical Control - A switch includes magnets that provide both mechanical actuation of the switch as well as electrical operation of the switch. A system controller detects a state of the switch and controls operation of one or more systems in a structure based on the state of the switch. The system controller can detect the state of the switch by detecting a position of a magnet of the switch. | 12-29-2011 |
20120007702 | Magnetically-Triggered Proximity Switch - A magnetically-triggered proximity switch includes a cylindrical switch body and a first magnet non-movably secured within the switch body. The proximity switch also includes a pivoting cross arm. A second magnet may be movably disposed within the switch body, and the second magnet may be rigidly connected to the cross arm. When a magnetic target is not located within a specified range of the second magnet, the first magnet attracts the second magnet, thereby pivoting the cross arm into a first switch position and closing a first circuit. However, when the magnetic target is located within the specified range, the magnetic attraction between the target and the second magnet is greater than between the second magnet and the first magnet. The second magnet is displaced towards the target away from the first magnet, thereby pivoting the cross arm into a second switch position. | 01-12-2012 |
20120126918 | MAGNETIC SWITCHING DEVICE - A switching device ( | 05-24-2012 |
20120218064 | Magnetic Switch for Operating a Circuit - A multilevel correlated magnetic system and method for using the same are described herein. A wide-range of devices including a retractable magnet assembly, a disengagement/engagement tool, a click on-click off device are described herein that may incorporate or interact with one or more of the multilevel correlated magnetic systems. | 08-30-2012 |
20120280772 | ELECTRIC CURRENT SWITCHING APPARATUS - To provide an electric current switching apparatus having a fixed-side electrode unit and a movable-side electrode unit that are arranged to align central axes thereof with each other and to face each other, in which a movable contact provided in the movable-side electrode unit reciprocates on the central axis to contact or separate from a fixed-side contact provided in the fixed-side electrode unit, thereby switching electric current flowing through these electrode units, the electric current switching apparatus including a plurality of permanent magnets that are provided in at least one of the fixed-side electrode unit and the movable-side electrode unit, that have bodies arranged on the central axis to align magnetizing directions thereof with the central axis, and that are arranged to cause same poles of adjacent ones of the permanent magnets to face each other as if butting with each other. | 11-08-2012 |
20120326817 | OPERATION DEVICE AND ELECTRONIC APPARATUS - An operation device includes: a key top arranged so that part thereof is inserted into a key arrangement hole formed in a casing of an electronic apparatus and being movable in a given direction on the basis of an initial position at the time of operation; a movable magnet attached to the key top; a magnetic body fixed so as to face the movable magnet and giving a force to move the key top in a direction toward the initial position by absorptivity generated between the magnetic body and the movable magnet; a hall device detecting a movement state of the key top due to a magnetic field generated by the movable magnet; and a circuit substrate on which the hall device is mounted. | 12-27-2012 |
20130093545 | MAGNETO-RESISTANCE QUADRUPOLE MAGNETIC CODED SWITCH - A quadrupole magnetic coded switch includes a switch housing, an actuator housing, a first pair of actuator dipole magnets, a first pair of switch dipole magnets, and a pair of first magneto-resistance (MR) sensors. The actuator housing is movable relative to the switch housing. The first pair of actuator dipole magnets is coupled to the actuator housing and is movable therewith, and the first pair of switch dipole magnets is coupled to the switch housing. The first pair of actuator dipole magnets and the first pair of switch dipole magnets are arranged to generate a first quadrupole magnetic field. Each of the first MR sensors is disposed within the switch housing and is configured to vary in resistance in response to relative movement of the actuator housing and the switch housing. | 04-18-2013 |
20130169389 | DC POWER RELAY - Provided is a DC power relay. The DC power relay includes a pair of fixed contacts disposed parallel to each other, a movable contact vertically movable with respect to the pair of fixed contacts, the movable contact being in connect with or being separated from the pair of fixed contacts, a pair of permanent magnets for guide an arc generated when the movable contact is in contact with or is separated from the pair of fixed contacts to the outside, and a damping magnet reducing a force generated in a direction in which the movable contact is separated from the fixed contacts when the movable contact is in contact with the fixed contacts. | 07-04-2013 |
20130200964 | SECURITY SWITCH - A security switch assembly is provided. The security switch assembly includes an electrically conductive housing having a cavity. The security switch assembly also includes a header assembly including a first and second contact pin, the header assembly coupled to the housing, wherein the first and second contact pin extend into the cavity of the housing. The security switch assembly further includes a moveable body moveably coupled within the cavity of the housing and between the first and second contact pin, wherein the moveable body rolls between a default position and an engaged position in response to altering the magnetic forces induced on the moveable body. | 08-08-2013 |
20130271245 | OPERATING ELEMENT HAVING TWO SWITCHING OR CONTROL STAGES - The invention relates to an operating element ( | 10-17-2013 |
20130271246 | SWITCH ARRANGEMENT - A switch arrangement for electric currents has at least two contacts to be closed and opened. At least one of the contacts is formed by sections of an electrically conductive pathway of a foil. At least one magnet assigned to the foil. At least one magnetic component is placeable in the magnetic field of the magnet and facing the magnet on the other side of the foil. When the magnetic body is placed in the magnetic field of the magnet it is attracted to the magnet causing the foil to be squeezed and the contacts to make contact, closing the switch. | 10-17-2013 |
20130293325 | MEMS-based Switching System - A switching element that is at least partially implemented in one or more printed wiring boards (PWBs). A first input and a plurality of outputs may be integrated into the PWB(s). In some embodiments, a plurality of contacts may also be integrated into the PWB(s). The switching element is selectively operable in first and second states, the first state in which the first input is coupled to a first output and the second state in which the first input is coupled to a second output. | 11-07-2013 |
20130300524 | MAGNETIC SWITCH ACTUATORS - Magnetic switches are disclosed herein. An example apparatus includes a mount and a switch actuator assembly coupled to the mount. The switch actuator assembly includes a body, a trigger, and a first magnet oriented to be attracted to a second magnet. Movement of the body from a first position to a second position is to cause relative movement between the first magnet and the second magnet and relative movement between the trigger and a switch. | 11-14-2013 |
20150008997 | APPARATUS FOR FLOOR CLEANING, WITH IMPROVED KEY - Apparatus for floor cleaning, having a cavity that opens on the dashboard, a plurality of mechanically similar interchangeable keys, and suitable to be inserted completely into and operate with said cavity, two or more Hall-effect sensors arranged outside said cavity, at least one first key containing at least one magnet, and at least one second key including at least one respective second magnet, which are in functional correspondence with respective predefined sensors. | 01-08-2015 |
20150048910 | DOUBLE POLE-DOUBLE THROW PROXIMITY SWITCH - Proximity switches include a hermetically sealed unit that can be used in harsh environments and under significant pressures, such as underwater and in nuclear power facilities, without having any parts that would require replacement or periodic maintenance. The proximity switches are preferably switches actuated by physical movement of a contact in response to changing magnetic forces. The switches are preferably disposed in a body tube optionally including a hermetic seal assembly to seal an open end of the body tube and/or a ferrule that prevents electrical wires attached to the switch inside the body tube from being pulled away from the switch. Further, the switches preferably maintain a contact pressure between electrical contacts sufficient to withstand acceleration seismic testing of 10 g with no contact discontinuity. | 02-19-2015 |
20150048911 | PERMANENT MAGNET ASSEMBLY FOR AN ARC DRIVER ASSEMBLY AND SWITCHING DEVICE - A permanent magnet assembly for an arc driver assembly of an electric switching device, having a permanent magnet and a cover made of electrically insulating material, wherein the cover is connected directly to the permanent magnet. | 02-19-2015 |
20150054608 | SWITCH AND FOLDING STRUCTURE THEREOF, AND ELECTRONIC DEVICE USING THE SWITCH - An electronic device includes a housing, a support member coupled to the housing, a trigger member coupled to the support member, a sliding member, a first magnet member coupled to the sliding member, and a second magnet member coupled to the support member. The first magnet member includes two first magnets and a second magnet coupled to the corresponding first magnet. The magnetic pole of the first magnets is opposite to the magnetic pole of the second magnet. The second magnet member includes a third magnet and two fourth magnets. The magnetic pole of the third magnet is same as the magnetic pole of the second magnet. The magnetic pole of the fourth magnets is same as the magnetic pole of the first magnets. | 02-26-2015 |
20150077203 | MAGNETIC CONTROL DEVICES FOR ENCLOSURES - A control device for an enclosure is disclosed, where the control device includes a first portion positioned proximate to a back side of an enclosure surface of the enclosure, and a second portion positioned proximate to a front side of the enclosure surface. The first portion can include a plunger having a proximal end and a distal end, where the proximal end is adjacent to the enclosure surface. The first portion can also include a first magnet having a first polarity and disposed at the proximal end of the plunger. The first portion can further include at least one contact in communication with the distal end of the plunger, where the at least one contact has a first state and a second state. The second portion can include a second magnet having a second polarity, where the second magnet has an engaged position and a disengaged position. | 03-19-2015 |
20160012991 | RELAY | 01-14-2016 |
20160042897 | MECHANISMS HAVING A MAGNETIC LATCH AND TACTILE FEEDBACK - A mechanism using one or more pairs of magnets to generate a force that provides tactile feedback and/or a latching force for the mechanism. The one or more pairs of magnets may be used to generate a specific tactile response that may mimic the response of a traditional purely mechanical system. The a pair of magnets may also be used to generate a latching force that retains or holds a movable element when activated. | 02-11-2016 |
20160071667 | CLICK MECHANISM AND INPUT DEVICE - A click mechanism includes a first magnetic body having a first protrusion, a second magnetic body having a second protrusion, and a magnet configured to magnetize at least one of the first magnetic body and the second magnetic body. The click mechanism is configured to, in accordance with input operation, move at least one of the first magnetic body and the second magnetic body relative to the other, and generate click sensation corresponding to the input operation using magnetic attractive force generated between the first protrusion and the second protrusion. The second magnetic body further has a third protrusion configured to generate magnetic attractive force between itself and the first protrusion and differing in shape from the second protrusion. | 03-10-2016 |
20160189895 | MAGNETIC CONTROL SWITCH - A contactless control switch that is resistant to influence from external magnetic fields is disclosed. The switch includes a switch housing, a button moveably mounted to the housing that has at least one protrusion formed on an underside thereof, a circuit board mounted to the housing and including at least one magnet sensor, and a magnet holder positioned adjacent each respective magnet sensor, the magnet holder housing a positive field magnet and a negative field magnet therein and being rotatably mounted to the housing. A respective protrusion interacts with the magnet holder responsive to an actuation of the button by a user, so as to position one of the positive field magnet and the negative field magnet proximate to its respective sensor and the other of the positive field magnet and the negative field magnet distal to its respective sensor. | 06-30-2016 |
20160203928 | Magnetic deadman switch | 07-14-2016 |
20160254111 | MAGNETIC CONTROL DEVICES FOR ENCLOSURES | 09-01-2016 |
20170232602 | ELECTROMAGNETIC ACTUATOR FOR POWER TOOL | 08-17-2017 |