217results about "Permanent magnet reed switches" patented technology

An apparatus and method of proximity switch / sensor based generally on a balanceable magnetic pole array. The magnetic pole array contains at least four poles with optional ferromagnetic shunt(s). The proximity of a shunt to a magnetic pole array determines whether the array is balanced or unbalanced. A balanced array is one with a zone where the vector sum of magnetic fields emanating from the array's poles can be made to approach zero. A sensor such as a reed switch is placed in the balanced zone. When the balance of the array is disturbed by the application of one or multiple shunts, the resulting finite magnetic field vector along with the resulting magnetic flux, activates the sensor. This approach can be implemented in a variety of array structures that offer implementation of a variety of logical functions. Multiple shunts and their proximity to the array are used as the logical function's inputs and the sensor's state as the logical function's output.

A rocker switch on an endoscopic camera allows multiple functions from a single Hall effect sensor. The switch features a neutral position between a rocked forward and a rocked back position. When the front of the switch is depressed a dome spring under the front is flattened and the magnet located in the rear is moved away from the sensor. Releasing the switch returns it to the neutral position. Depressing the rear of the switch brings the magnet closer to the Hall effect sensor while depressing another dome spring under the rear of the switch. Again, releasing the switch returns it to the neutral position.

A modular, cleanable, tactile switch mechanism is developed for use in an electronic pipe style personal vaporizer. The mechanism includes magnets and a pivoting arm of magnetically active material along with a customizable base that supports and guides these interacting parts. In the electronic pipe implementation of this mechanism, guiding niches of the base are integrated with a larger core support structure, demonstrating its versatility and ability to reduce overall enclosure footprint under some circumstances. Additionally, the pipe system features a locking mechanism which allows easy disassembly and repair of hand carved or otherwise fragile devices without risk of damage.The present invention relates primarily to the field of magnetic or mechanical switches, particularly those capable of providing tactile feedback in a compact, durable configuration. Additionally, the invention relates to miscellaneous spring devices as well as tobacco substitute products and components thereof.

A mount for monocular enhanced night vision goggles having an ocular preference adjustment, an interpupillary adjustment, an eye relief adjustment, a tilt adjustment, a vertical adjustment, a quick stowage feature and a flip-up stowage feature is disclosed. An apparatus in accordance with the present invention has a housing secured to headgear. A vertical block is slidably coupled to the housing allowing it to translate vertically. A chassis is rotatably coupled to the vertical block allowing it to rotate between an in-use and flip-up position. A monorail is rotatably coupled to the chassis allowing it to rotate between an in-use and a quick stowage position. A carriage is slidably coupled to the monorail allowing for an eye relief adjustment. Enhanced night vision goggles are attached to a socket assembly which is movably coupled to the carriage allowing relocation in front of either eye while facing the same direction.

In one embodiment, a relative location detection apparatus including a detection unit having a support board having a plurality of spaced reed switches mounted along a lengthwise axis of the support board. Each of the reed switches has a longitudinal axis oriented substantially perpendicular to the lengthwise axis of the support board. A high intensity magnet is coupled to the support board for movement relative to the support board and in a direction substantially parallel to the support board's lengthwise axis. The magnet has north and south poles that are oppositely positioned to one another and directed toward one another across a width of the support board and into periodic alignment with the longitudinal axes of the reed switches. The magnet has a magnetic force sufficiently focused so that the magnet actuates the reed switches individually thereby indicating the magnet's location.

The invention relates to the field of proximity switches, in particular to a novel magnetic proximity switch. The novel magnetic proximity switch comprises a shell, wherein a movable magnet is arranged inside the shell and can move up and down, a first terminal piece and a second terminal piece are fixedly arranged on the bottom of the interior of the shell side by side with one on the left of the other, a fixed contact is arranged at the upper end of the second terminal piece, an elastic piece is arranged on the first terminal piece, a movable contact is arranged at the outer end of the elastic piece, and the movable contact corresponds to the fixed contact; an assistance rod is arranged in the middle of the interior of the shell and can swing in the shell, an assistance part is arranged at the inner end of the assistance rod, a limiting mechanism is arranged between the assistance rod and the shell, the movable magnet corresponds to the assistance part, an elastic tongue piece is arranged on the elastic piece, and the outer end of the elastic tongue piece abuts against the assistance part. According to the novel magnetic proximity switch, the structural arrangement is reasonable, acting force borne by the elastic tongue piece can be effectively controlled through the limiting mechanism, and the technical problem that in the prior art, metal fatigue and arc discharge are prone to occurrence is solved.

A rotation switch includes an operating member that is operable to rotate, a magnet member that rotates integrally with the operating member, a magnetic sensor that is placed opposite to the magnet member, and a frame-shaped anti-magnetic shield plate that surrounds the periphery of the magnetic sensor.

A compact wireless security sensor having a magnetically operated plunger switch. The compact nature of the sensor of the present invention makes it ideal for being substantially concealing into a door frame or window as part of a wireless security system. The sensor unit includes a housing having an inner end, an outer end, and a magnet positioned within a moveable plunger, and an antenna, preferably a flexible wire antenna. The housing further contains a sensor switch, a microprocessor with a PCB, a wireless transmitter, such as an RF transmitter, and a power source, such as a small coin cell battery, for emitting signals to a master station or controller when the plunger switch is depressed and activates the internal sensor switch.

A system that senses proximity includes a magnet producing a magnetic field and a sensor having a switch. The switch includes a cantilever supported by a supporting structure. The cantilever has a magnetic material and a longitudinal axis. The magnetic material makes the cantilever sensitive to the magnetic field, such that the cantilever is configured to move between first and second states. The switch also includes contacts supported by the support structure. The switch can be configured as a reed switch. When the magnet moves relative to the sensor, the cantilever interacts with a respective one of the contacts based on the position of the magnet during movement.

A disarming system for an RFID tag or an IRID tag having a magnetically operated sensor or switch includes a permanent magnet, wherein the permanent magnet is configured to activate the magnetically operated switch or sensor in the RFID tag or IRID tag when the RFID tag or IRID tag is brought into proximity of the permanent magnet. The disarming station also includes a receiving station configured to disarm a security system when the magnetically operated switch or sensor in the RFID tag or IRID tag is activated

A tactile feedback switching mechanism having a plurality of switching states. The tactile feedback switching mechanism includes a plunger switch having a plunger. When the plunger is displaced a given distance the switch changes state. A covering lies at least over the plunger switch and includes a border section and a deformation section. The covering may be formed from an elastic material such as an elastomer. When a user depresses the plunger, confirmation of a change in the state of the switch can be tacitly sensed by a change in resistance provided by the covering. The resistance of the covering changes by deformation of the deformation portion of the covering while the plunger is depressed.

A magnetically-actuated switch adapted to control a welding device. The magnetically-actuated switch may comprise a set of electrical connectors that are brought into electrical communication with one another by magnetic force. The magnetically-actuated switch may be disposed within a welding implement coupled to the welding device. The welding implement may be operated by disposing a magnet proximate to the welding implement to actuate the magnetically-actuated switch. The magnet may be disposed within a magnet holder securable to a hand.

A dual function switching system for use individually or in combination with a lighting system. Both a reed switch and a pressure switch connect to a lighting system's ballast circuitry and allows manual ON / OFF switching of the light without compromising the water-tight sealed ballast housing. The disclosed switching system also promotes a default-on design that allows a controlled light to continue to produce light even if the switching system is accidentally or intentionally removed or damaged.

A medical appliance with an adjustment apparatus, such that cleaning of the medical appliance, constructed with the adjustment apparatus, can be carried out reliably and simply. The medical appliance includes a first setting device disposed at an outer side on a housing of the appliance, and a second setting device disposed in the interior of the appliance. The second setting device is designed to actuate a setting element for adjustment of a controllable and / or regulatable device. The first setting device and the second setting device each comprise magnet elements, by which the first setting device cooperates with the second setting device in such a way that the one setting device actuates the other setting device for the transmission of adjustments, the cooperation of the setting devices being achieved by way of a magnetic coupling.

Disclosed are a key sheet for a pointing device and a pointing device using a magnet compact in terms of both magnetic force and size to allow a reduction in thickness. Between a pusher (14f) opposed to a contact input portion (E) of a board (P) and a magnet (11) fixed to a base sheet (14) at an outside position around the pusher (14f) as a center so as to be away from a key top (15), there is provided an elastic flexible portion (14d) allowing displacement in a depressing direction through depression of the key top (15) toward the contact input portion (E). As a result, it is possible to perform depressing operation on the key top (15), with the magnet (11) being provided on the base sheet (14), making it possible to perform switch input, such as confirmation input.

A reed switch apparatus utilizes one or more reed switches to communicate with one or more devices. In one configuration, the reed switch apparatus utilizes a single magnetic field to simultaneously activate two or more reed switches. In another configuration, two or more reed switches, each acting independent of one another are simultaneously activated by a single magnetic field. Additionally, a method of controlling at least two devices includes exposing a reed switch apparatus to a single magnetic field. Yet another method includes a activating a device via the use of a single reed switch mounted to a portion of a warehouse structure.

A non-contact pressure switch assembly for sensing pressure in, e.g., a vehicle. A piston with integrated magnet in a sensor body is moved under fluid pressure to change a magnetic field in which a Hall sensor is disposed inside the sensor body. The field changes polarity at the Hall sensor at a predetermined piston position.

A method of forming a hermetically sealed MEMS package includes a step of providing a supporting GaAs substrate with at least one contact for the MEMS device on the surface of the supporting substrate and forming a cantilever on the surface of the supporting substrate positioned to come into electrical engagement with the contact in one orientation. A metal seal ring is fixed to the surface of the supporting substrate circumferentially around the contact and the cantilever. A cavity is etched in a silicon chip to form a cap member. A metal seal ring is fixed to the cap member around the cavity. The package is hermetically sealed by reflowing a solder alloy, positioned between the two seal rings, in an inert environment without the use of flux.

The present invention provides a magnet (100), which comprises a body (101) having a first and a second section (103, 104), and a slide (108) arranged to be movable relative to the body (101) between a first and a second position. The slide (108) comprises a permanent magnet (109), and a first and a second pole piece (110, 111) that are attached to opposite magnetic pole surfaces of the permanent magnet (109). The first section (103) comprises a hole (106) that opens into a first cavity (107) of the body (101), the bottom of the first cavity (107) being delimited at least partly by the second section (104). The slide (108) is movably arranged in the hole (106) so that the second pole piece (111) is directed towards the bottom of the first cavity (107), wherein at the first position of the slide (108), magnetic flux generated by the permanent magnet (109) is short-circuited by the first section (103), and at the second position of the slide (108), magnetic flux generated by the permanent magnet (109) is directed through the first and the second section (103, 104).

An apparatus and method of a tamperproof magnetic proximity sensor based on a magnetically shielded magnetic sensor. The proximity sensor is substantially impervious to external magnetic field and is protected by external magnetic sensors for preemptive detection of external magnetic field tamper attempts.

A gas appliance control assembly includes a gas valve and a reed switch operated simultaneously by rotation of a single shaft. The reed switch opens and closes a circuit including an electronic ignition module and a spark igniter so that spark is provided as the gas valve is adjusted to a burner igniting condition.