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| Number | Title | Issue Date |
| 7385387 | Signal processing circuit of rotation detecting device A rotation detecting device includes a rotation detecting unit for providing first and second rotation signals in response to rotation of a rotating object and a signal processing circuit for processing the signals to provide rotation data such as the rotation direc... | 06/10/2008 |
| 7354410 | Compression treatment system A compression treatment system is provided that includes a first bladder supported about a limb. A second bladder is supported about the limb. The bladders are in fluid communication with a fluid source and the bladders are inflated such that the first bladder is in... | 04/08/2008 |
| 7119717 | Encoder output divider and R/D converter A Resolver/Digital (R/D) converter includes an encoder output divider having a DSP generating 14-bit encoded signals A2 and B2 from a timing analysis performed during the first period of 12-bit encoded signal A1. The DSP generates a selection si... | 10/10/2006 |
| 7109616 | Electric motor with hall effect memory module An electric motor with a Hall effect module. An endframe is attached to a motor housing to enclose one end of the motor housing. A cover is snap-fit onto the endframe externally of the motor housing, wherein resilient fingers on the endframe engage an arrangement of... | 09/19/2006 |
| 7098844 | Acceleration detector with integral vehicle parameter display using a vehicle interface Calibration of an acceleration detector is initiated by a user depressable button such as a button indicating a vehicle is at rest and/or by the detector reading an OBDII vehicle communication protocol to determine the condition of the vehicle. Calibration permits m... | 08/29/2006 |
| 7069664 | Portable coordinate measurement machine A portable coordinate measurement machine comprises an articulated arm having jointed arm segments. The arm includes joint assemblies which include at least two read heads in communication with a periodic pattern of a measurable characteristic, the pattern and read ... | 07/04/2006 |
| 7065525 | Information service system for providing terminal users with terminal user specific information An information service system having user terminals and a center in which information according to a request for retrieval is provided to users at a low cost while simplifying setting of conditions for retrieval at the user terminals is simplified and maintaining re... | 06/20/2006 |
| 7017275 | Portable coordinate measurement machine with improved handle assembly A portable coordinate measurement machine comprises an articulated arm having jointed arm segments. The arm includes a probe at one end thereof. The probe also includes improved switches and a measurement indicator light. ... | 03/28/2006 |
| 7018080 | Shaped neon light spark plug connectors Shaped neon light spark plug connectors which include a continuous length of neon tubing fitted with electrodes at each end and configured to extend between and connect to the spark plug and coil of a motorcycle engine. The spark plug connectors are each characteriz... | 03/28/2006 |
| 7010445 | Automated fault diagnosis device and method A diagnostic apparatus and method for sensing a signal emanating from a machine and determining a periodic machine event based on the emanated signal. The apparatus includes analog to digital processing components for digitizing the sensed signal, producing a digiti... | 03/07/2006 |
| 6996912 | Method for improving measurement accuracy of a portable coordinate measurement machine A method for improving the measurement accuracy of a portable coordinate measurement machine which comprises an articulated arm having jointed arm segments is presented. This method includes sensing deformation of a portion of the articulated arm when the arm is pla... | 02/14/2006 |
| 6973734 | Method for providing sensory feedback to the operator of a portable measurement machine A method for providing feedback to the operator of a portable coordinate measurement machine which comprises an articulated arm having jointed arm segments is presented. The method includes sensing deformation of a portion of the articulated arm when the arm is plac... | 12/13/2005 |
| 6965843 | Portable coordinate measurement machine with integrated line laser scanner A portable coordinate measurement machine comprises an articulated arm having jointed arm segments. The arm includes a measurement probe having an integrated line laser scanner rotatably mounted thereon. ... | 11/15/2005 |
| 6957496 | Method for improving measurement accuracy of a portable coordinate measurement machine A method for improving the measurement accuracy of a portable coordinate measurement machine which comprises an articulated arm having jointed arm segments is presented. This method includes sensing deformation of a portion of the articulated arm when the arm is pla... | 10/25/2005 |
| 6952882 | Portable coordinate measurement machine A portable coordinate measurement machine comprises an articulated arm having jointed arm segments. The arm includes joint assemblies which include at least one read head together with one or more (preferably five) sensors (preferably proximity sensors) in communica... | 10/11/2005 |
| 6938478 | Impedance level meter for liquids in tanks A method and a system for detecting the level of fluid in a container is provided: The level meter includes first, second and third generally parallel probes being positioned within the container. The first probe includes a first portion that is at least partially c... | 09/06/2005 |
| 6935036 | Portable coordinate measurement machine A portable coordinate measurement machine comprises an articulated arm having jointed arm segments. The arm includes modular bearing/encoder cartridges which are attached to each other at predetermined angles using dual socket joints. Each cartridge contains at leas... | 08/30/2005 |
| 6934547 | Portable telephone with moving status detection function A portable telephone allowing easy and accurate estimation of its moving speed at the moment when an incoming call is received is disclosed. A moving status detector is provided which detects a moving status of the portable telephone based on measured reception sign... | 08/23/2005 |
| 6904695 | Position measuring system and method for the assembly thereof The invention relates to a position measuring system for scanning a movement between a first element and a second element which is arranged in a moveable manner in relation to the first element. Said system comprises a material measure which can be fixed to the firs... | 06/14/2005 |
| 6825654 | Airbag deployment monitor and sensing electronics An airbag deployment sensor has a cartridge containing a quantity of tape one end of which is attached to the inside surface of an airbag cushion. Deployment of the cushion pulls tape from the cartridge at a rate that is monitored by transmitting light through the t... | 11/30/2004 |
| 6724183 | Method and apparatus for detecting bearing failure A device is presented having an optical emitter/receiver device. The device has a light pipe connected with the optical emitter/receiver device. Also a rotating shaft having at least one opening. The light pipe is situated within the rotating shaft. At least one bea... | 04/20/2004 |
| 6577117 | Rotation sensing device of fan apparatus adapted to chamber of handler The present invention relates to a rotation sensing device of a fan apparatus adapted to a chamber in a handler which can sense whether the fan apparatus is rotated or not by using a sensor dog and an optical sensor. The rotation sensing device includes: ... | 06/10/2003 |
| 6504355 | Device for measuring an electric current by Faraday effect A light beam output from a magneto-optical current transducer using the Faraday effect is divided into two output light beams. A first output light beam is applied, via an output polarizer, to a first optical input of a processing unit. A second output li... | 01/07/2003 |
| 6400137 | Optical fiber with crimp and for sensing wheel rotation Apparatus for replacing an electromagnetic device that senses vehicle wheel rotation by detecting slots in a rotary device, where the replacement apparatus avoids interaction with stray magnetic fields. A replacement apparatus (24) includes a connector fr... | 06/04/2002 |
| 6018302 | Mechanical pointer drive for avionics display An avionics display (10) for use in an aircraft navigation system including a navigation receiver. The avionics display (10) includes a needle (12) for indicating the position, heading, glide slope or other navigational parameter of the aircraft and a ste... | 01/25/2000 |
| 6016056 | Measurement of displacement and speed in an injection molding machine A device for detecting motion of a movable part of an injection-molding machine uses an encoder coupled to the part which outputs two square waves which are a quarter-cycle out of phase. The two waves are used to generate trigger pulses at four times eith... | 01/18/2000 |
| 5990675 | Anti-friction bearing with speed measuring devices having an active microcircuit and a frequency generator An anti-friction bearing with a speed measuring device includes a transmitter for directing high frequency waves toward a side of the bearing and the transmitter being spaced from the bearing. A coding disk at the side of the bearing is arranged on the re... | 11/23/1999 |
| 5990676 | Method and apparatus for detection of a moving speed of a mobile terminal in mobile communication In accordance with the present invention, there is provided a method and apparatus for detecting a moving speed of a mobile terminal in a mobile communication utilizing time division multiple access system, wherein a measurement is made for a variation in... | 11/23/1999 |
| 5965825 | Pulse encoder for a liquid dispensing device A pulse encoder for fitting to a meter of a liquid dispenser device for the purpose of supplying a signal representative of the flow of dispensed liquid. The encoder includes a coding wheel driven by the meter at a speed of rotation that is substantially ... | 10/12/1999 |
| 5926017 | Device for measuring the rotary frequency of a rotating vehicle wheel and vehicle tire for use in the device A device for measuring a rotary frequency of a rotating vehicle tire includes a number of first poles uniformly arranged on a circle with a radius R1 on or within a vehicle tire. A first sensor, for sensing the first poles, is stationarily arranged at a d... | 07/20/1999 |
| 5818221 | Fiberoptic velocity transducer including dielectric coating for filtering and velocity determination A fiberoptic velocity transducer for use in determining the rotational speed of an object and comprising a magneto-optic material coated with a dielectric material that operates to selectively pass light energy having a first range of wavelengths, and to ... | 10/06/1998 |
| 5763778 | Apparatus for measuring vehicle speed An apparatus for measuring vehicle speed is disclosed. The apparatus includes a pair of disk plates having a circular opening in a central part through which a final output shaft of a transmission passes by a plurality of long-shaft bolts with the plates ... | 06/09/1998 |
| 5734159 | Rotation sensor using a radiation emitter and detector and a duty cycle feedback loop A rotation sensor (5) comprises a fixed member (10) and a rotatable member (20). The fixed member (10) contains a radiation emitter (40) which emits radiation along a path (35). The rotatable member (20) rotates about an axis (65) substantially perpendicu... | 03/31/1998 |
| 5719497 | Lensless Magneto-optic speed sensor Lensless magneto-optic speed sensor. The construction of a viable Faraday sensor has been achieved. Multimode fiber bundles are used to collect the light. If coupled directly into a 100 or 200 μm core fiber, light from a light emitting diode (LED) is suf... | 02/17/1998 |
| 5652509 | Device for determining the velocity of a longitudinally traveling elongate textile material, especially a yarn, using electronic sensors A device for determining the velocity of a longitudinally traveling textile material, especially a yarn, using the closed-loop correlation of a transit time correlator in such a way that its reliability is improved. At least one sensor g1 consi... | 07/29/1997 |
| 5636014 | Method and apparatus for determining the rate of angular rotation of a rotating object A method and apparatus for determining the rate of angular rotation of a rotating object comprising directing a beam of substantially coherent electromagnetic radiation towards the rotating object (80); detecting speckles generated by electromagnetic radi... | 06/03/1997 |
| 5631559 | Method and apparatus for performing magnetic field measurements using magneto-optic kerr effect sensors A sensor system includes a magneto-optic Kerr effect magnetic field sensing element and an optical system including a light source, at least one polarizer or polarizing element and a detector disposed about the sensing element. The sensing element is resp... | 05/20/1997 |
| 5617022 | Fiberoptic velocity transducer including dielectric coating for filtering and velocity determination A fiberoptic velocity transducer for use in determining the rotational speed of an object and comprising a magneto-optic material coated with a dielectric material that operates to selectively pass light energy having a first range of wavelengths, and to ... | 04/01/1997 |
| 5602946 | Fiber optic sensor system for detecting movement or position of a rotating wheel bearing An improved fiber optic sensor system and integrated sensor bearing assembly for detecting movement or position of a rotating wheel bearing having a multi-pole tone ring which produces an alternating magnetic field indicative of movement and position of t... | 02/11/1997 |
| 5502377 | Method and apparatus for measuring rotary movement of a shaft The invention relates to a method and apparatus for measuring the rotary movement of a shaft, wherein according to said method a magnetic pattern radially applied to a magnetic disk is inductively scanned so that in a magnetic head voltage pulses are gene... | 03/26/1996 |
