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6236295 Hazardous environment pressure-sensing switch  
A pressure-sensing switch assembly has an electrical region and a gasoline vapor system pressure region separated by a vapor and liquid impermeable wall, without sealing or flexible membrane...
6229420 Proximity switches with mechanical decoupling of connection pins and connection insert  
A proximity switch including a connector insert (4) and connection pins (4) are not securely connected to one another. Apart from a potting compound which fills the housing, the connection pins...
6225885 Switch device  
A switch device includes two contactors. Each contactor respectively includes at least two conductors, a magnet, and a coil spring. The conductors are connected to a power source via a powered...
6184764 Pendulum mass acceleration sensor  
A bidirectional shock sensor has a housing mounted directly to a printed circuit board. The housing contains a switch or sensor embedded in the housing and is connected by leads to the circuit...
6175290 Contactless stalk mounted control switch  
A contactless control switch (20) for a vehicle for actuating a system between an open and a first closed circuit position is disclosed. The switch includes a housing (22) and a pivot assembly...
6154107 Inhibitor switch with rattle preventing structure  
An inhibitor switch comprises a movable board (1) having a movable arm (1b) carrying a permanent magnet (4) and being rotatable in accordance with a selected position of an automatic transmission,...
6150808 Switching apparatus having magnetoresistive elements for detecting a plurality of manually selected switching position  
A switching apparatus is provided which may be used for power window control systems of automotive vehicles. The switching apparatus includes an operating knob, a magnet, a magnetoresistive...
6137387 Magnetically-retained armature retainer for electrical switches  
An armature retainer for a magnetic switch retains an armature adjacent an internal surface of a carrier sheet with electrodes thereon forming switch contacts. The retainer includes a polishing...
6130593 Switch panel having a magnetically-retained overlay  
An electrical switch has a substrate with at least one pair of spaced switch contacts arranged to be shorted by an electrically conductive armature. The armature defines a central axis with first...
6127910 Hermetically sealed proximity switch  
A magnetic proximity switch comprises an elongated, substantially cylindrical body which houses a switching circuit, said switching circuit closing when a magnetic target passes within a certain...
6121864 Security switch and method for installation thereof  
An electrical switch includes a magnetically actuated switch (16), such as a reed switch, and a permanent magnet (10). A path defining arrangement (14) is mechanically coupled (by track follower...
6097272 Contactless switch  
A contactless switch (20) for actuating a system between an open circuit position and a closed circuit position is disclosed. The switch includes a housing (22) and a linear actuator (34) disposed...
6091238 Variable output electrical device  
The present invention incorporates a system for varying the output signal and regulating the power consumed by an electrical device. It achieves its purpose by moving a magnet relative to a Hall...
6079367 Animal training apparatus and method  
An apparatus and method for training an animal and confining the animal to a defined area includes a magnetically actuated switch. The apparatus further includes a housing removably attached to...
6069545 Magnetically actuated pushbutton switch  
An electrical switch has a set of electrodes mounted on one side of a carrier. The opposite side of the carrier mounts an actuator having a plunger mounted for reciprocating motion. The plunger...
6060969 Contactless proximity switch  
The contactless proximity switch detects one or more predefined spacing distances between a first part and a second part. The two parts are movably disposed relative to one another. A magnetic...
6031439 Bi-directional hall-effect control device  
A control device for converting a manual input into an electrical signal is provided. The control device includes a control button, a first magnet having a first predetermined polarity, a second...
6023213 Relocatable knob retention for magnetically actuated switch  
A magnetically actuated switch has a carrier sheet with electrodes on one side thereof and an actuator knob on the other side. Magnets carried by the knob drag an armature around on the...
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...
5990772 Pushbutton switch with magnetically coupled armature  
An electrical switch has a substrate with at least one pair of spaced switch contacts arranged to be shorted by an electrically conductive armature. The armature defines a central axis with first...
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...
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...
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...
5932856 Power switch to prevent inadvertent activation of an emergency locating beacon  
A power switch for use with a personal locator beacon (PLB), or an emergency position indicating radio beacon (EPIRB), that prevents accidental activation of the beacon to prevent false alarm...
5925861 Security door lock arrangement with magnetically operated switch in the closed door position  
A security lock for a door type structure in which a latch extends between the movable door and the fixed jamb. A magnet is contained within the latch and a switch is positioned in the jamb. The...
5921382 Magnetically enhanced membrane switch  
A magnetically enhanced membrane switch operator is constructed with a rigid ferromagnetic base plate. This base plate is spaced from a rigid ferromagnetic cover plate, which has an opening...
5917392 Switching arrangement for connecting and/or separating two sections of an electrical line  
The invention relates to a switching arrangement for connecting and/or separating two sections (7, 8) of an electrical line (3), said arrangement comprising a switching device (10) having contact...
5910772 Pool alarm  
An apparatus for sounding an audible alarm when an object, such as a child or a pet, falls into a pool. An elongated housing is secured to the pool such as by fastening it to a pool ladder, with a...
5877664 Magnetic proximity switch system  
A proximity switch system includes a switch portion, configured to connect and disconnect at least one electrical path, and a magnetically active actuator. The switch portion has a casing formed...
5874878 Magnetic proximity switch system with slide-by anti-defeat machanism  
A non-magnetic plate, or spacer block, of is attached to the side of the switching assembly of a high security switch system. Alternatively, the actuator assembly may have an extended housing. As...
5867082 Switch with magnetically-coupled armature  
A switch has a carrier sheet with electrodes formed on an internal side thereof to form switch contacts. An armature is held in slidable contact with the internal side of the carrier and the...
5844458 Resilient and compressible magnet module for door channel installation  
A resilient and compressible door channel magnet module facilitates the installation of a door channel magnet. The module comprises a magnet set supported inside a magnet holder that is connected...
5825289 Combined alarm system and window covering assembly  
A combined alarm system and window covering assembly includes a top housing, a bottom rail, a covering, an alarm element, a pull cord which is slidably coupled to the top housing and a resiliently...
5777290 Bank angle sensor  
A tilt angle sensor has a body which includes a V-shaped cavity defined by a pair of inclined surfaces which intersect to define a lower end. A roller is disposed in said cavity. A sensing circuit...
5770792 Shock sensors  
A shock sensor including a magnetic reed switch extending in a direction in which shocks are to be detected, a member movable along the magnetic reed switch due to the shocks and including a...
5723835 Composite reed switch-bracket  
A composite reed switch-bracket which is suitable for mounting on conventional roll-up or overhead doors to avoid damage caused by shocks or alignment displacement of the reed switch during usage....
5703552 Electrical safety switch  
For protecting the pump of a carpet cleaner, the cut-out terminals 16, 15 are commanded by the pressure of fluid in passage 11, 12, 13 which communicates with volume 22 having as an upper wall a...
5699030 Magnetically activated RF switch indicator  
An electromagnetic relay, such as an electromechanical RF switch, which is operated by an electromagnetic coil, is provided with an indicating circuit which responds to the position of the...
5684457 Tamper indication system for combination locks  
A tamper indication system for use with combination locks can indicate or signal that unauthorized manipulation of one or more of the lock components has occurred. In one mode, the tamper...
5678505 Warning device for tractor trailer skirts  
The present invention provides a warning device for attachment to a tractor unit for warning when an attached trailer has pivoted to a position where it may cause damage to the tractor. The...
5673021 Magnetic switch assembly for detecting unauthorized opening of doors or windows  
A magnetic switch assembly (10) for electrically coupling with an electrical circuit of an alarm system detecting relative movement between first and second adjacent members and for defeating...
5668533 High security balanced-type, magnetically-actuated proximity switch system  
A magnetically-actuated, proximity switch system for use in physical security monitoring systems, machinery control systems and the like, including a stationary assembly and an actuator assembly...
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...
5656982 Plunger-operated alarm switch assembly  
A plunger-operated alarm switch assembly (10) provides without visual inspection thereof an indication of whether a barrier (14) is in a secure position or whether the alarm switch assembly has...
5646601 Magnetic apparatus for actuating a reed switch and associated system  
A magnetic apparatus (10) is provided having a bottom plate (12), a top plate (14), a first magnet guide (16), a second magnet guide (18) and a magnet member (20) which is slidable upon a slide...
5646587 Magnetic element switch  
A magnetic element switch is provided which can reduce the number of parts and the cost of the switch as well as improve the reliability thereof. The magnetic element switch includes an operation...
5635887 Compact rare earth magnet security switch assembly  
A method and an apparatus employing a compact magnetic security switch for detecting the open or closed position of corresponding fixed frame and movable closure members, such as door and window...
5629659 Single switching of magnetic reed switch  
A magnetic switching device utilizing a reed switch avoids multiple switching and provides greater movement between a magnet and a reed switch. The device has a reed switch switchable by a...
5612521 Electrical or electronic apparatus switching device including actuator magnetic latching  
A switching device for programmable control of electrical and electronic apparatus includes a support plate and a slide switch which is moved along a forked guide track defined on the support...
5608386 Adjustable hall effect switch gauge  
A lighted switch set gauge includes Hall effect devices using a circuit activating switch attached to a lower extension of indicating and switch set pointers. The switch set pointer is externally...