Did You Know...
...that Robert Adler has the dubious distinction of being the Father of the Couch Potato? Back in 1955 Adler was employed by what was then Zenith Radio Corp., where he was charged to invent something that would allow viewers to turn down the TV volume without leaving their chairs. After a series of flops (such as a wired contraption that people tripped over), Adler hit on the idea of using sound waves. Thus the Remote Control was born...
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| Number | Title | Issue Date |
| 7535215 | Apparatus and method for the determination of a direction of an object An apparatus for the determination of a momentary relative direction of an indicator object depending on a magnetic field influenced or generated by the indicator object includes first means for sensing a course of a first magnetic field component of the magnetic fi... | 05/19/2009 |
| 7378721 | Chip on lead frame for small package speed sensor A sensor package apparatus includes a lead frame substrate that supports one or more electrical components, which are connected to and located on the lead frame substrate. A plurality of wire bonds are also provided, which electrically connect the electrical compone... | 05/27/2008 |
| 7367227 | Determination of wheel sensor position using shock sensors and a wireless solution A remote tire monitor system includes a control unit and a plurality of tire monitors mountable on respective wheels of a vehicle to transmit radio signals to the control unit. The tire monitors each include a pair of motion sensors such as shock sensors and a contr... | 05/06/2008 |
| 7362218 | Motion detection using a shock sensor in a remote tire pressure monitoring system A tire monitor for mounting to a vehicle as part of a remote tire monitoring system includes a tire condition sensor to produce a tire condition signal, a controller coupled to the tire condition sensor to control operation of the tire monitor, and a radio circuit c... | 04/22/2008 |
| 7345468 | Detection signal processing circuit and detection signal processing apparatus for a rotation sensor Detecting the rotational direction of a rotor is feasible by allowing a constant current source to supply a constant current flowing from an electric potential supply line to the earth in response to a turning-on action of a switch. Accordingly, detecting both the r... | 03/18/2008 |
| 7340969 | Rotation-detecting apparatus A rotation-detecting apparatus includes a rotation-detecting device for detecting a rotation of a rotor, a rotational speed-detecting device (3) for detecting a rotational speed of the rotor and a transfer signal-generating device for generating a digitized t... | 03/11/2008 |
| 7329373 | Control method of rotational speed of screw for injection molding machine A control method of a rotational speed of a screw for an injection molding machine, wherein rotation of a motor is transmitted the screw disposed within a cylinder member attached to an injection frame, includes the steps of (a) sending an electric current to a stat... | 02/12/2008 |
| 7315147 | Motor and motor drive system Provided is a motor having a combination of a plurality of coil pairs and a permanent magnet, wherein these coil pairs are supplied with an excitation signal from a drive circuit so as to be excited at alternate opposite poles, and the permanent magnet is constitute... | 01/01/2008 |
| 7301336 | Magnetic field generator device for calibration of magnetic force microscope The magnetic field generator device comprises a plurality of magnetic field generator units, which generate distinct magnetic fields in different locations, and at least two or more of these magnetic field generator units have different external shape, configuration... | 11/27/2007 |
| 7285074 | Method and device for controlling a motor vehicle drive train A method and a device for controlling a motor vehicle drive train determine the direction of rotation of the drive train by evaluating sensor signals of a first sensor unit on the output side of the drive train. The first sensor unit includes a sensor wheel fastened... | 10/23/2007 |
| 7248037 | Position sensing device for determining a relative position of a magnet with respect to a magnetic field sensing element pair A position detector includes a pair of magnetic sensors spaced from each other and a magnetic force generator movable relative to the pair of magnetic sensors. The length of the magnetic force generator along the space between the magnetic sensors is equal to or lar... | 07/24/2007 |
| 7233139 | Method and apparatus for sensing angle of rotation which compensates an output signal from a magnetic sensor element irrespective of the range of rotational angles of a target object An angular position sensor including a magnetic field generator means and a magnetic sensor means. The magnetic field generator means produces a magnetic field. The magnetic sensor means has a first magnetic sensor element, a second magnetic sensor element, and a th... | 06/19/2007 |
| 7215115 | Module to control a rotating output shaft and module to change a driving condition of vehicle A sensor and a control circuit are provided externally of a gear cover. This enhances reliability of a shift controller operated by an electric actuator and a motor driven control module similar thereto, and constitute them compact. Further, this provides a rotating... | 05/08/2007 |
| 7216030 | Method and device for determining the angular position of a crankshaft in an internal combustion engine A method and a device for determining the angular position of a crankshaft of an internal combustion engine, especially when shutting down the internal combustion engine, using an angle sensor, the passing by being recorded of incremental angle marks on a signal-gen... | 05/08/2007 |
| 7212899 | Automated transmission systems An automated transmission system includes a transmission brake which is used to apply a braking torque to the transmission, while the engine torque is negative and a transmission clutch is disengaged to effect a gear downshift, in order to avoid acceleration of the ... | 05/01/2007 |
| 7208939 | Methods and apparatus for sensing angular position and speed of a rotatable shaft utilizing linearized annular magnet and commutated ratiometric hall sensors A contactless rotary shaft rotation sensor includes a two-pole annular magnet attached directly to the shaft, pairs of diametrically opposed magnetic field sensors, and electronic processing circuits to produce linear output signals proportional to shaft speed and p... | 04/24/2007 |
| 7208940 | 360-Degree magnetoresistive rotary position sensor A 360-degree magnetoresistive rotary position sensor comprises a magnetic linear sensor and a magnetic angular sensor, formed on a semiconductor substrate. The linear sensor detects a sense of a magnetic field, and the angular sensor detects an angular position of t... | 04/24/2007 |
| 7205761 | Rotation state detecting device and rotation state detecting method A rotation state detecting device capable of detecting the direction of rotation of a rotating body includes first and second bridge circuits made up of magneto-resistance effect elements, a first comparator for detecting the increasing/decreasing direction of the c... | 04/17/2007 |
| 7188021 | Angular position sensor-based engine controller system An engine controller system employs angular position sensors which are operable to very accurately determine the position of rotating engine members. Information about the angular position of the engine members is used to alter operation of the engine for improved e... | 03/06/2007 |
| 7166996 | Position sensor utilizing a linear hall-effect sensor A magnetic field assembly and method of configuring the same for use in position sensors of the type which include a magnetic field sensor. First and second magnets in the field assembly are positioned on a surface of a magnetic plate (return path) and separated fro... | 01/23/2007 |
| 7159571 | Method for detecting reverse rotation for internal combustion engines In a method for detecting reverse rotation when starting an internal combustion engine having a sensor disk which is coupled to a crankshaft of the engine, the sensor disk having a marking via an alternating arrangement of teeth and tooth spaces, and a first sensor ... | 01/09/2007 |
| 7154262 | Rotation angle detecting device A rotation angle detecting device includes a columnar permanent magnet that has a generally ring-shaped cross-section and a pair of magnetic poles, a pair of semi-cylindrical yokes disposed in a circumferential direction opposite the permanent magnet, a rotary shaft... | 12/26/2006 |
| 7135858 | System with distance sensor for measuring rotational speed of a body A speed measuring system comprising at least one stationary speed sensor (4) for detecting a speed of a measuring body (1) rotating relative to the speed sensor (4) wherein the measuring body (1) is provided, on its periphery, with electr... | 11/14/2006 |
| 7132936 | Angular rate sensor A sensor for measuring yaw rate or roll rate of an automotive vehicle comprises a freely rotating inertial disk and an angular rate sensor responsive to the rotation of the inertial disk relative to a housing. In one embodiment the inertial disk presents an alternat... | 11/07/2006 |
| 7124655 | Two-wire sensor for measuring a physical parameter To measure a physical parameter, a two-wire sensor produces pulse-width modulated signals (PWM) whose pulse width is preferably modulated as a function of the physical parameter to be measured. To indicate an error or a malfunction, the two-wire sensor provides an e... | 10/24/2006 |
| 7123998 | Automated transmission systems An automated transmission system includes a transmission brake which is used to apply a braking torque to the transmission, while the engine torque is negative and a transmission clutch is disengaged to effect a gear downshift, in order to avoid acceleration of the ... | 10/17/2006 |
| 7123003 | Sensor assembly and functional unit for detecting the position of a moveable magnet In order to improve a sensor assembly for detecting the position of a magnet which is movable in relation to the sensor assembly, with a sensor housing, in which a sensor element sensitive to magnetic fields is arranged, it being possible to generate a digital outpu... | 10/17/2006 |
| 7116096 | Vehicle direction detection using tone ring A tone ring preferably for use in a braking system of a vehicle has a first pattern of excitation indicative of speed of rotation of the tone ring, and a second pattern of excitation including frequency variations that is indicative of direction of rotation of the t... | 10/03/2006 |
| 7104119 | Method and apparatus for determining rotary position A system for determining the angular position of a rotating element such as an engine crankshaft. An encoder wheel is divided into a plurality of equal-angle segments, each comprising a peripheral tooth extending radially over a central angle representing an angular... | 09/12/2006 |
| 7095225 | Method and assembly for detecting the motion of an element A method for detecting the motion of an element relative to a sensor apparatus is proposed, in which a detection of the direction of motion is performed. As a function of the direction of motion, a measurement signal is increased or decreased at predetermined measur... | 08/22/2006 |
| 7084619 | Arrangement for determining the direction of movement of a motion sensor element An arrangement for determining the direction of movement of a motion sensor element, requiring only two sensor elements, which, in a first zone having a first pitch and extending in the form of strips along a motion co-ordinate describing a movement of the motion se... | 08/01/2006 |
| 7079039 | Process and device for testing electric motors, in particular fan motors, for functionality The invention concerns a device for and a process for testing electric motors, in particular fan motors, for functionality, wherein electromagnetic alternating fields produced by an electric motor are received by an antenna, wherein the received signals are analyzed... | 07/18/2006 |
| 7066162 | Method and apparatus for quick starting a rope-start two-stroke engine The period required to start a rope-start, two-cycle engine is reduced by enabling the engine's firing sequence to be initiated immediately upon determining the absolute rotational position of the engine and before determining the engine's direction of rotation. The... | 06/27/2006 |
| 7059300 | Ignition control apparatus for internal combustion engine An ignition control apparatus for an internal combustion engine for preventing ignition control upon occurrence of rotation reversal of the engine includes a rotation sensor (3) disposed in opposition to projections (11, 12) of a rotor (1), and ... | 06/13/2006 |
| 7040286 | Engine control system and method An engine control system for an internal combustion engine and a method of programming is provided. The engine control system has a rotation sensing system, an intelligent controller connected to the rotation sensing system for calculating at least one of a cylinder... | 05/09/2006 |
| 7026808 | Method and apparatus for providing information from a speed and direction sensor A method and apparatus for providing information from a speed and direction sensor is disclosed. The method and apparatus detect the presence of a ferromagnetic object as it moves past a sensor. The sensor determines speed and direction information regarding the fer... | 04/11/2006 |
| 7027907 | Sequence scheduling control for a fuel injected engine An electronic control unit for an internal combustion engine having a fuel injection system and an ignition system including: timing determination means (2) for determining timing sequences for injection events of the fuel injection system and ignition events... | 04/11/2006 |
| 7009384 | Sensor assembly combining signals with enhanced asymmetry for detecting direction of rotation of an object A target wheel sensor assembly includes a target wheel, a magnet, and two or more sensing elements placed therebetween. The magnet and the sensing elements are configured so that as the target wheel rotates each of the sensing elements outputs a respective asymmetri... | 03/07/2006 |
| 6969986 | Method for determining a rotation speed and a rotation direction of a component A method is described for determining a rotation speed and a rotation direction of a component (2), in particular a transmission output shaft, with a sensor device (1). In the sensor device (1), as a function of a rotation speed and direction of... | 11/29/2005 |
| 6958599 | Angular velocity sensor An angular velocity sensor for a rotor (2) and method of determining angular velocity in which the position at which event generation means (4) pass sensing means (5) is determined using information from the times at which the event generation m... | 10/25/2005 |
