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| Number | Title | Issue Date |
| 7331247 | Relative rotational position detection apparatus having magnetic coupling boundary sections that form varying magnetic couplings First and second shafts (1, 2) are interconnected via a torsion bar (3) for torsional (or rotational) movement relative to each other, and first and second magnetic body sections (10, 20) are provided to rotate in interlocked relation to the rot... | 02/19/2008 |
| 7302982 | Label applicator and system A label applicator including a support surface having a central area and curving downwardly from the central area. A post assembly extends up from the central area such that a label having a label through-hole can be positioned in a support position generally on the... | 12/04/2007 |
| 7268425 | Thermally enhanced electronic flip-chip packaging with external-connector-side die and method A method and apparatus for making a package having improved heat conduction characteristics and high frequency response. A relatively thick package substrate, such as copper, has a wiring layer bonded to one face, leaving the opposite face exposed, for example, to b... | 09/11/2007 |
| 7242012 | Lithography device for semiconductor circuit pattern generator General purpose methods for the fabrication of integrated circuits from flexible membranes formed of very thin low stress dielectric materials, such as silicon dioxide or silicon nitride, and semiconductor layers. Semiconductor devices are formed in a semiconductor ... | 07/10/2007 |
| 7223696 | Methods for maskless lithography General purpose methods for the fabrication of integrated circuits from flexible membranes formed of very thin low stress dielectric materials, such as silicon dioxide or silicon nitride, and semiconductor layers. Semiconductor devices are formed in a semiconductor ... | 05/29/2007 |
| 7218196 | Noncontact coupler A noncontact coupler comprising a pair of magnetic cores 1, 1 each having a U-shaped open magnetic path, a primary coil L1 and secondary coil L2 being wound around said cores 1, 1 separately respectively, said coupler transmitting AC elec... | 05/15/2007 |
| 7218223 | Magnetic field sensing for tamper identification The present technology involves a method and apparatus for detecting and reporting magnetic fields in the proximity of a utility meter as an approach to determining tampering of such meter. The sensitivity level of the magnetic field sensors may be adjustable allowi... | 05/15/2007 |
| 7193239 | Three dimensional structure integrated circuit A Three-Dimensional Structure (3DS) Memory allows for physical separation of the memory circuits and the control logic circuit onto different layers such that each layer may be separately optimized. One control logic circuit suffices for several memory circuits, red... | 03/20/2007 |
| 7176545 | Apparatus and methods for maskless pattern generation General purpose methods for the fabrication of integrated circuits from flexible membranes formed of very thin low stress dielectric materials, such as silicon dioxide or silicon nitride, and semiconductor layers. Semiconductor devices are formed in a semiconductor ... | 02/13/2007 |
| 7138295 | Method of information processing using three dimensional integrated circuits A Three-Dimensional Structure (3DS) Memory allows for physical separation of the memory circuits and the control logic circuit onto different layers such that each layer may be separately optimized. One control logic circuit suffices for several memory circuits, red... | 11/21/2006 |
| 7121153 | Rotation sensor mounted on a shaft A rotation sensor includes a first rotor constituted by a magnetic material and having an outer face that has first conductive layers disposed in two levels as viewed in the direction of a rotation axis and second conductive layers disposed outwardly of and between ... | 10/17/2006 |
| 7053604 | Sensor detecting movement of a control element moved by an actuator A sensor for detecting movement of a control element moved by an electromagnetic actuator comprises a fixed coil arrangement having at least one coil connected to a current supply and to a signal detection device. A housing circumferentially encloses the fixed coil ... | 05/30/2006 |
| 7005967 | Validation of the presence of an electromagnetic transponder in the field of an amplitude demodulation reader A terminal for generating an electromagnetic field adapted to communicating with at least one transponder, and a method for controlling such a terminal including: an oscillating circuit adapted to being excited by a remote supply signal of the transponder; an amplit... | 02/28/2006 |
| 6982651 | Automatic meter reading module An automatic meter reader module is provided that is adapted to be retrofitted or installed in a new or existing utility meter. The module includes a printed circuit board (PCB) on which is mounted on-board circuitry and detection equipment configured to detect util... | 01/03/2006 |
| 6720760 | Induced current position transducers having improved scale loop structures A scale loop formed by a loop trace of electrically conductive material is usable in an induced current position transducer. The scale loop is continuous and has a particular shape depending on the configuration of the induced current position transducer. The scale ... | 04/13/2004 |
| 6636035 | Position measuring device and error detecting method for the same, and electromagnetic induction position detecting device In an electronic caliper, a detecting circuit 112 detects displacement of a grid with respect to a scale, on the basis of a signal from a transducer 110. A CPU 114 displays the detected position on a display device 124. The CPU 114 performs error detectio... | 10/21/2003 |
| 6628115 | Scale loops for electromagnetic induction-type absolute position transducer A electromagnetic induction-type absolute position transducer according to the present invention has a plurality of scale loops functioning as coils. The scale loop has first and second loop portions and a connecting pattern portion which connects the cor... | 09/30/2003 |
| 6593730 | Position sensor A position sensor for determining a set position thereof is disclosed. The sensor comprises a time-varying magnetic field generator. A movable electrically conductive element is positioned such that the time-varying magnetic field generates eddy currents ... | 07/15/2003 |
| 6573707 | Displacement detecting device power supply and data communication device A scale and a detecting head each include input/output connectors. Either of the input/output connectors is connected to receiving-side connector. By connecting the receiving-side connector to either of the scale and the detecting head, which is fixed in ... | 06/03/2003 |
| 6552666 | Phase difference detection device and method for a position detector Two A.C. output signals amplitude-modulated in accordance with two function values (sine and cosine) differing from each other in correspondence to a position-to-be-detected are received from a position sensor such as a resolver. By performing an addition... | 04/22/2003 |
| 6545461 | Electro magnetic induction position detector using metal foil to reduce temperature-based variations in position detection An electromagnetic induction position detector has a detection head and a scale which are placed so as to be opposed to each other with a predetermined gap in a relatively movable manner. The detection head has a driving coil which generates a primary var... | 04/08/2003 |
| 6531873 | Methods for discriminating between types of electric appliances connectable to a supplementary device A supplementary device, such as a charging, cleaning and/or diagnosis device, for a small electric device, such as an electric hair cutting or hair removal apparatus or an electric toothbrush, but particularly for an electric shaving apparatus, includes a... | 03/11/2003 |
| 6522128 | Position sensor having compact arrangement of coils A transducer is provided for use in a position sensor which senses the position of two relatively movable members. In one form, the transducer has a plurality of sensor windings having a number of loops arranged in succession and connected in series so th... | 02/18/2003 |
| 6486796 | Relative-displacement detecting unit A detect ion unit 10, which is disposed in opposite relation to a scale 12, includes a transmission coil 10a and a detection coil 10b. A metal film 10g formed of two opposing metal films is provided between a silicon substrate and the transmission coil 10... | 11/26/2002 |
| 6400138 | Reduced offset high accuracy induced current absolute position transducer A reduced offset absolute position transducer has at least one magnetic field generator that generates a first changing magnetic flux in a first flux region. A plurality of coupling loops have a first plurality of coupling loop portions spaced at a first ... | 06/04/2002 |
| 6335618 | Position transducer having position-dependent amplitude encoding applying first and second modulations A high-accuracy inductive absolute position transducer system has two members movable relative to each other and includes an amplitude modulating transducer including flux modulators of progressively varying properties. The amplitude modulating transducer... | 01/01/2002 |
| 6329813 | Reduced offset high accuracy induced current absolute position transducer An inductive absolute position sensor has at least one magnetic field generator that generates a first changing magnetic flux in a first flux region. A plurality of coupling loops have a first plurality of coupling loop portions spaced at an interval rela... | 12/11/2001 |
| 6313624 | Position sensor with integrated signal-conditioning electronics on a printed wiring board A position sensor, such as a rotary position sensor, includes the signal-conditioning electronics in the housing. The signal-conditioning electronics are disposed on a printed wiring board, which is assembled with another printed wiring board including th... | 11/06/2001 |
| 6304825 | Rotary encoder error compensation system and method for photoreceptor surface motion sensing and control A rotary encoder error compensation system for use in a marking device with a rotary encoder includes an error correction logic circuit and an error correction table linked to the error correction logic circuit. The rotary encoder is configured to generat... | 10/16/2001 |
| 6271661 | Absolute position transducer having a non-binary code-track-type scale An absolute position transducer system has two members movable relative to each other and includes a code track transducer and at least one fine wavelength transducer. The code track is arranged to form a sequential pattern of base-N code words, where N i... | 08/07/2001 |
| 6259249 | Induction-type position measuring apparatus An inductive linear encoder (10) has a position sensor (1) and scale (2) which are movably disposed relative to each other. The sensor (1) is with a drive wire (3) to which an alternating current is supplied, and one set of detection wires (4a-4d) at righ... | 07/10/2001 |
| 6255810 | Inductive angle sensor having coupled oscillators with similar inductive response A redundant inductive angle sensor has two LC oscillators of at least approximately identical design. By inductively coupling the oscillators, the oscillators synchronize themselves with respect to frequency and phase relationship so that undesirable mutu... | 07/03/2001 |
| 6236199 | Inductive angle sensor An inductive angle sensor includes: a stator element having an exciting coil with a periodic AC voltage applied thereto and several receiving coils; a rotor element that affects a strength of inductive coupling between the exciting coil and receiving coil... | 05/22/2001 |
| 6157188 | Compact, long-range absolute position transducer with an extensible compact encoding A compact, long-range inductive absolute position transducer system has two members movable relative to each other and includes a code track transducer and at least one fine wavelength transducer. The two members include a read head member and a scale mem... | 12/05/2000 |
| 6144206 | Magnetometer with waveform shaping A detection apparatus discriminates between metallic mines and other buried objects by detecting the depth of the object, the size, the shape and the orientation of the object and the electrical properties of the object. A magnetometer sensor detects obje... | 11/07/2000 |
| 6124708 | Position detection using a spaced apart array of magnetic field generators and plural sensing loop circuits offset from one another in the measurement direction A sensor head is provided for use in a apparatus for indicating the position of a movable member relative to a fixed member. It has two multi-turn sensor windings, each including repetitive pattern of series connected alternate sense loops of conductor. O... | 09/26/2000 |
| 6111402 | Position measuring instrument having a scanning element with multiple scanning tracks A scanning element for a position measuring instrument. The scanning element includes a first scanning track disposed within a first region and a second scanning track disposed adjacent to the first scanning track within a second region. An electromagneti... | 08/29/2000 |
| 6100816 | Utility meter adapter An adapter module mounts on a utility meter having one or more meter dials. The adapter module has a cover and a mating bracket. The cover includes a plurality of bosses extending from a front side of the cover to a rear side of the cover. The bosses are ... | 08/08/2000 |
| 6054851 | Induced current absolute position transducer method using a code-track-type scale and read head A high-accuracy inductive absolute position transducer system has two members movable relative to each other and includes a code track transducer and may include a fine track transducer. The code track transducers includes a code track transmitter winding... | 04/25/2000 |
| 6049204 | Electronic linear scale using a reduced offset high accuracy induced current position transducer An electronic linear scale having a reduced offset position transducer that uses at least one coupling loop on a scale to inductively couple a transmitter winding on a read head to one or more receiver windings on the read head. The transmitter winding ge... | 04/11/2000 |
