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| Number | Title | Issue Date |
| 7425128 | Rotary actuated reed switch control 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... | 09/16/2008 |
| 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 proximity of the at least one door relative to another area of the containe... | 08/26/2008 |
| 7385505 | Motion detecting system for alarm device A motion detecting system is attachable to an object for enabling and disabling an alarm flow of electrical current from a power source for actuating an alarm device. The system has a back plate with a substantially flat surface and a magnet freely pivotally mounted... | 06/10/2008 |
| 7355515 | Magnetic security device for securing doors A lock position detection device includes a door locking mechanism, a magnetic field sensor such as a reed switch and a wireless transmitter. A magnet enters proximity of the sensor when the actuator is operated to one position and causes the sensor to output a firs... | 04/08/2008 |
| 7352174 | Non-contact rotary movement sensor provided with independent switch It is an object of the present invention to provide a non-contact rotary movement sensor capable of, by making magnetic fields from a plurality of permanent magnets not mutually affected, independently implementing an output signal and a switching signal using the s... | 04/01/2008 |
| 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 these rollers, and a reed switch disposed in a position where it turns ... | 01/29/2008 |
| 7321282 | MEM's reed switch array A MEM's reed switch array is provided having a first switch having a sensitivity causing the first switch to open or close due to a magnetic flux, and a second switch of lesser sensitivity than the first switch causing the second switch to open or close due to a mag... | 01/22/2008 |
| 7280017 | Secure magnetic sensor A secure magnetic sensor has a first magnetic switch activatable by a first magnetic field and a second magnetic switch activatable by a second magnetic field which is stronger than the first magnetic field. The first magnetic switch is electrically connected in ser... | 10/09/2007 |
| 7278965 | Operating mechanism for medical device An operating mechanism for a medical device comprises a photo-interrupter that can designate specified functional operations, an air-tight unit that can accommodate this photo-interrupter air-tightly, a moving member which is disposed inside the air-tight unit, and ... | 10/09/2007 |
| 7248136 | Tamperproof magnetic switch assembly with universal switch A universal magnetic switching assembly for detecting relative movement between first and second members, the universal switching assembly including, a flux directing device for selectively directing a majority of applied magnetic flux, such that an externally appli... | 07/24/2007 |
| 7218194 | Tamperproof magnetic switch assembly An improved magnetic switching assembly for detecting relative movement between first and second members, the switching assembly including a flux directing device for channeling a majority of applied magnetic flux away from a shiftable body such that an externally a... | 05/15/2007 |
| 7178929 | Light and sound producing system A system for producing sound and light includes a shoe or other article of footwear having multiple sources of light and at least one loudspeaker, and a unit located remotely from the shoe which is operative to transmit an RF signal to a receiver within the shoe cau... | 02/20/2007 |
| 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 that extends into the switch housing and is axially translatable from a ... | 01/16/2007 |
| 7158008 | Electronic key system and method The present invention provides an electronic key system including an electrical/electronic key-like device and an electrical/electronic key receptacle capable of receiving a contactless type, contact type, or both types of key-like devices. The present invention fur... | 01/02/2007 |
| 7138783 | Actuator with control unit and method for operating said actuator The actuator and the method for operating the actuator comprise a drive unit and a drive mechanism with mechanical components that can be moved against each other as well as an electronic control unit. One of at least two components that can be moved against each ot... | 11/21/2006 |
| 7134354 | Display for process transmitter A transmitter for use in a process control system for monitoring an industrial process includes a housing having a top and a bottom and a height extending therebetween. A parallelogram display is mounted to the housing. Sides of the parallelogram display are arrange... | 11/14/2006 |
| 7113063 | Rotation sensing Methods and apparatus implementing and using techniques for sensing rotations of a rotating device, including using at least one switch located in a first plane and a magnet rotating in a plane substantially parallel to the first plane about a rotation axis, the mag... | 09/26/2006 |
| 7109883 | Low power physical layer for a bus in an industrial transmitter A process variable transmitter connects a serial bus to an accessory load. A supply limiter circuit provides a first supply current limit and provides a stored energy output. A recessive driver circuit draws a drive current from the stored energy output and couples ... | 09/19/2006 |
| 7107737 | Machine and method for producing a package by folding a sheet of packing material about a respective article A machine and method for producing a package by folding a sheet of packing material about a respective article; a packing conveyor feeds along a packing path a folding head, which houses the package and has an electrically heated activating member for applying heat ... | 09/19/2006 |
| 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 |
| 7084787 | System and method for detecting key actuation in a keyboard A system and method for detecting key actuation in a keyboard assembly, which, in one embodiment, is used as a conductor to electrically communicate with an information appliance. The rows in the keyboard assembly are electrically isolated from one another, and each... | 08/01/2006 |
| 7049510 | Sensor A sensor with a carrier board which is arranged in a housing is at least partly produced by an injection molding process and fitted with electronic, optical, electromechanical and/or opto-electronic components. A region of the carrier board and at least some of the ... | 05/23/2006 |
| 7036381 | High temperature pressure transmitter assembly A pressure transmitter assembly for measuring a pressure of a process fluid includes an isolation diaphragm assembly. A pressure sensor is spaced apart from the isolation diaphragm assembly to provide thermal isolation. A conduit extends from the isolation diaphragm... | 05/02/2006 |
| 7009386 | Non-contact position sensor utilizing multiple sensor elements A non-contact position sensor including a plurality of sensor elements configured in an array. Each of the sensor elements is configured to provide an output associated with each of a plurality of positions of a sensor control element relative to the position sensor... | 03/07/2006 |
| 7002442 | Proximity safety switch suitable for use in a hair dryer for disabling operation A safety switch apparatus for disabling the operation of a hand-held appliance, e.g., a hair dryer, during periods of nonuse such as when the appliance is put down on a prescribed surface or placed in a non-functional position such as being held under a user's arm. ... | 02/21/2006 |
| 6972699 | Foldable keyboard A foldable keyboard having a plurality of folding keyboard sections. Each keyboard section includes a frame carrying a key set having a plurality of keys. The key set may be movable laterally relative to the frame. The frame with the key set is foldable with respect... | 12/06/2005 |
| 6972651 | Switch operable under a predetermined condition, external magnetic field generating unit, combination of such a switch and an external magnetic field generating unit and electronic apparatus incorporating the same A switch operable under a predetermined condition includes a plurality of switch parts each including a pair of reed pieces and a connecting member of an electrically conductive non-magnetic material via which the plurality of switch parts are serially connected. Th... | 12/06/2005 |
| 6964510 | Magnetic rotary switch mechanism A novel construction for a flashlight including a multifunctional rotary switching device is provided. The body of the switch includes an array of magnetic field effect sensors arranged on a base switch component such as a printed circuit board switching substrate. ... | 11/15/2005 |
| 6963281 | Tamper resistant magnetic contact apparatus for security systems A tamper resistant magnetic contact switch apparatus for alarm systems that has a plurality of magnetic reed switches configured in a logic circuit and a magnetic pack for actuation. A magnetic shield disposed around the switches defines an actuation zone. In combin... | 11/08/2005 |
| 6915692 | Level-sensor device for a liquid-fuel tank, particularly for a system for supplying LPG to an internal-combustion engine In a tank for liquid fuel, particularly a tank for LPG in a system for supply of LPG to the internal-combustion engine of a motor vehicle, the level-sensor device comprises a floating member guided so as to move in a substantially vertical direction within the tank ... | 07/12/2005 |
| 6873233 | Combination switch A combination switch which includes a lever member operable to move relative to a stationary portion, and a position detector for detecting a position of the lever member. The position detector includes a magnet and a Hall effect sensor for detecting a strength of a... | 03/29/2005 |
| 6867365 | Sensor A sensor with a carrier board which is arranged in a housing is at least partly produced by an injection molding process and fitted with electronic, optical electromechanical and/or opto-electronic components. A region of the carrier board and at least some of the c... | 03/15/2005 |
| 6788201 | Motion sensitive switch and circuitry A motion sensitive device for causing an electronic signal to be sent to one or more output devices, comprising a printed circuit board, a battery connected to the printed circuit board, electrical circuitry connected to the printed circuit board, a motion sensitive... | 09/07/2004 |
| 6784775 | Proximity safety switch suitable for use in a hair dryer for disabling operation A safety switch apparatus for disabling the operation of a hand-held appliance, e.g., a hair dryer, during periods of nonuse such as when the appliance is put down on a prescribed surface or placed in a non-functional position such as being held under a user's arm. ... | 08/31/2004 |
| 6763584 | Method of manufacturing a waterproof flashlight assembly A novel construction and method for manufacturing a flashlight housing is provided. The housing includes two interior compartments wherein a lighting assembly is installed into a first compartment and a power supply is installed into a second compartment. The lighti... | 07/20/2004 |
| 6670874 | Magnetic rotary switch mechanism A novel construction for a multifunctional rotary switching device is provided. The body of the switch includes a radial array of magnetic field effect sensors arranged on a base switch component such as a printed circuit board switching substrate. Each o... | 12/30/2003 |
| 6628741 | Non-volatile passive revolution counter with reed magnetic sensor A shaft revolution counter including one or more reed magnetic sensors interacting with one or more magnets attached to the shaft. The interaction generates voltage spikes in the reed magnetic sensors that are used as input signal to an electronic non-vol... | 09/30/2003 |
| 6614336 | Rotary switch mechanism A novel construction for a multifunctional rotary switching device is provided. The body of the switch includes a radial array of switching contact arms, each arm being connected at one end to a central hub. The switch is preferably stamped from a thin sh... | 09/02/2003 |
| 6483436 | Method and apparatus for sensing skews and disconnects of adjacent movable components A sensor detects skewed adjacent movable component. The sensor may be used to detect harmful skews of aircraft control surfaces, such as slats or flaps on aircraft wings, which may be caused by an actuator disconnection from the surface it drives. Harmful... | 11/19/2002 |
| 6466118 | Overlay electrical conductor for a magnetically coupled pushbutton switch A magnetically coupled pushbutton switch has a coupler magnet layer that normally holds an electrically conductive magnetic armature spaced from a substrate layer. An overlay having an overlay electrical conductor formed thereon covers the pushbutton swit... | 10/15/2002 |
