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Document Title |
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8138866 |
Rotary actuator with magnetically generated haptics
A rotary actuator with a magnetically produced tactile sense is provided, in particular for a motor vehicle. The rotary actuator includes two plane-parallel permanent magnets, with the first magnet...
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8006370 |
Method for sealing a housing
A method for sealing a housing includes providing a base plate of the housing with at least one opening; providing an electrical connection that extends through the base plate from an inner side to...
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7932796 |
Switch device
A movable contact which is positioned inside a sealing case is moved by a magnetic shunt body which moves outside the sealing case. The movement of the movable contact by the movement of the...
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7924124 |
Electrical switching device comprising magnetic displacement elements for a switching element
Electrical switching device, especially a high-frequency switching device, with at least one oblong electrical switching element, which is arranged with one contact end between two fixed-contact...
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7911303 |
Circuit breaker and opening and closing method thereof
A circuit breaker includes a vacuum valve, an electromagnet including a first coil for driving an operating shaft of the vacuum valve toward an opening direction by electromagnetic repulsion, a...
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7868720 |
Hermetically sealed relay
A hermetically sealed relay is provided having two circuits therein.
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7564333 |
Magnetic separator with ferrite and rare earth permanent magnets
A magnetic separator with permanent magnets includes a ferromagnetic member (2) for the circuit connection between at least two magnetic poles (3C) made up of ferrite magnets (12) in the bottom...
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7504918 |
Magnetically activated switch
An apparatus for sensing relative positions of mechanically coupled devices. The apparatus includes a magnetically actuated switch connected to a set of flux conductors to form a switch assembly. A...
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7417543 |
Method and system for monitoring containers to maintain the security thereof
A method and system for monitoring the integrity of a container specifically adapted for the system and constructed with at least one door. A sensor is secured in the container for detecting...
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7323959 |
Trackball device
A trackball device of the present invention includes an operating ball, multiple rollers which rotate by contacting the ball while it is rotated, multipole permanent magnets which co-rotate with...
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RE39773 |
Toner cartridge identification system for a printer
An apparatus for communicating to a printer a type of installed printer cartridge, where the combination of the cartridge and the printer form a magnetic coupling that can generate a cartridge...
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7164335 |
Switch assembly employing magnetic reed switches
A three-position push-pull switch assembly is disclosed that includes two magnetic reed switches mounted to a circuit board located within the switch housing. A magnet is mounted to an actuator...
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7016263 |
Device for data input into a portable object
The invention concerns a device for data entry into a portable object, in particular a watch, with display screen comprising a control button (1) consisting of an elastic mass (2) wherein is housed...
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6891710 |
Method for control of a proportional magnet with a hold function
Method for control of a proportional magnet comprising a magnet core, a magnet armature, a magnet coil for operating a control element in a shift valve or a proportional pressure-control valve,...
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6759932 |
Magnetic sensor switch
There is provided a magnetic sensor switch in which its magnetic sensor is responsive to approach of a magnet to turn its electrical switch on or off. A cylindrical magnetic sensor having magnetic...
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6577235 |
Adjustable door hinge monitoring device
The invention is in a device for monitoring the position of a swinging door that is mounted on a stationary frame, the device essentially comprises a magnet and magnetic proximity sensor which are...
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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...
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6266867 |
Method of making a relay
A method of manufacturing a relay wherein the relay has a coil body that is formed by plastic injection molding. The method further includes the step of embedding into the coil body injection mold...
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5990773 |
Thermal switch devise comprising reed switch and temperature-sensitive magnetic structure supported in and out, respectively, of an inner cylinder of case
In a thermal switch device having a reed switch, a temperature-sensitive magnetic cylinder (1) and cylindrical permanent magnets (2a, 2b) disposed around the reed switch (3), and an insulator case...
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5811896 |
Switching device
A switching device (10) for an electrical load, particularly for an electrical toy compraising a normally open reed switch (14) and a fixed biasing magnet (15) located at a distance from the glass...
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5717369 |
Alternating current relay
An alternating current relay including a wire coil having the wire wrapped in the same direction to form a wire coil having substantially parallel windings with the wire coil also being connectable...
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5608379 |
Deactivatable EAS tag
A deactivatable EAS tag in which a circuit comprising a non-linear element causes the generation of a detectable signal in response to an interrogating signal and in which a first magnetic element...
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5438869 |
Protective reed switch housing
A reed switch assembly and method of assembling it are disclosed. A preferred embodiment of the reed switch assembly includes an elongate hollow housing having an opening at one end thereof for...
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5426698 |
Transformed current sensing relay for use in switched network modems and circuit incorporating same
A transformed current sensing relay with reduced AC impedance of the operating coil is accomplished by adding a shorted secondary winding to an otherwise conventional current sensing reed relay....
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5095295 |
Superconducting switching device
A new type of reed switch is described. The switch is comprised of a fixed lead and a flexible reed made of a magnetic substance which are contacting in a glass enclosure. Two magnet rods are...
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4943791 |
Wide gap magnetic reed switch and method for manufacture of same
A magnetically actuated reed switch assembly in which a small permanent helper magnet is attached to a magnetic lead of the reed switch at an end of the reed switch envelope. The lead then may be...
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4837537 |
Reed switch device
A reed switch device comprises a pair of magnets such as bar magnets or ring-shaped magnets which are arranged in inverted polar orientations such that they produce magnetic fields acting in...
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4772841 |
Stepping motor and driving method thereof
A stepping motor includes a primary side magnetic flux generator unit having a plurality of magnetic poles and a secondary side magnetic member provided rotatably in the primary side magnetic flux...
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4752754 |
Method of producing a reed relay for switching r.f. currents, and reed relay produced in accordance therewith
In a method for producing a reed relay, and a reed relay produced in accordance therewith, for switching r.f. currents at high voltages, it is proposed to arrange the coil, which is wound upon a...
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4739208 |
Brush assembly including brush wear detector
A brush wear detector and indicator for the brush elements contacting the rotating commutator or slip rings of a dynamoelectric machine includes, in addition to a self winding bias spring located...
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4642593 |
Impulse mercury relay with magnetic interlock switch
An impulse mercury relay with magnetic interlock switch is provided comprising a first electrode member containing a body of a liquid conductor therein, a second electrode member received and...
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4639702 |
Reed relay
The reed relay comprises a pair of fixed contact supports arranged at a regular spacing therebetween. A reed strip has a movable contact at a free end thereof and arranged so that the movable...
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4638276 |
Reed switch with a housing and a pulse generator
A reed switch includes a housing in which extends a stepped bore for slidably receiving a magnet carrying sleeve. The sleeve includes a longitudinal bore which receives a glass tube. The sleeve is...
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4557146 |
Selectable focus ultrasonic transducers for diagnostic imaging
Dual focus ultrasonic transducers are provided for a diagnostic imaging effective aspheric radiating surface. The transducers are formed of disc-shaped piezoelectric material. An annular groove...
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4503410 |
Electromagnetic miniature relay
A relay with a contact making independent from environmental conditions with two hermetically sealed contact pills is described. Each contact pill comprises a switching-over contact and a diaphragm...
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4481806 |
Detector for a meter prover
A prover detector comprising a barrel having a longitudinal bore formed therethrough to receive a proximity switch mounted in one end thereof and a piston mounted in the other end thereof to extend...
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4421058 |
Cat ports
This invention is concerned with devices for controlling movement of small animals, of the kind commonly known as "Cat Ports". The device is activated by an operating magnet worn by the small...
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4382241 |
Valve adjustment unit for hydraulic proportional-response valve
A valve adjustment unit for an electronically controlled hydraulic proportional-response valve comprising a proportional-response magnet unit, a coaxially connected electronic control unit, and an...
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4377797 |
Magnetically actuated device comprising an Fe-Mo-Ni magnetic element
Magnetically actuated devices such as, e.g., switches and synchronizers typically comprise a magnetically semihard component having a square B-H hysteresis loop and high remanent induction. Among...
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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,...
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4225836 |
Magnetic relay
A magnetic relay having an electromagnetic coil with an open center extending lengthwise therethrough and an outer tube of magnetic material enclosing it lengthwise. A pair of radially expandable...
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4222020 |
Control winding for a magnetic latching reed relay
A magnetic latching reed relay including a single continuous control winding disposed about an encapsulated reed switch having a pair of reeds constructed of a remanent magnetic material. The reeds...
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4221163 |
Magnetic hysteresis driven recording element and method
A magnetic field is applied to a recording element by energization of an electromagnet or by a permanent magnet to a saturation point of the element material to cause the recording element to move...
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4214220 |
Wide range magnetically biased reed switch
A normally closed reed relay switch is provided having an enhanced ratio of reclosure to open current. A permanent magnet is used to bias closed a normally open reed relay switch. An electrical...
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4213110 |
Proximity switch having adjustable sensitivity
A magnetically operated reed switch device for use in physical security monitoring systems, machinery control systems, and the like, having a biasing permanent magnet associated therewith for...
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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...
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4210888 |
Magnetically operated proximity switch
A magnetically operated proximity switch for use in physical security monitoring systems, machinery control systems, and the like, comprising a magnetic reed switch having permanent magnet biasing...
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4188623 |
Temperature responsive apparatus employing a thermocouple
A temperature responsive apparatus includes a thermocouple producing a thermoelectric e.m.f. depending on the temperature difference between a temperature to be detected and a circumferential...
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4182998 |
Externally adjustable electromagnetic relay
A magnetically adjustable relay which may have an internally positioned sealed contact system is disclosed wherein the switching element of the contact system is elongated and has one end affixed...
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4165501 |
Position sensing system
A position sensing system having one or more magnetically operated switches at predetermined spaced locations and a magnet attached to a carrier moving along a path adjacent thereto and as the...
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