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| Number | Title | Issue Date |
| 8173950 | Single track optical encoder Disclosed are various embodiments of a reflective optical encoder having at least three channels—two data channels and one index channel—disposed along a common axis or single track. The single track configuration disclosed herein permits very high resolution re... | 05/08/2012 |
| 8101904 | Compliant tactile sensor for generating a signal related to an applied force Tactile sensor. The sensor includes a compliant convex surface disposed above a sensor array, the sensor array adapted to respond to deformation of the convex surface to generate a signal related to an applied force vector. ... | 01/24/2012 |
| 8053721 | Pump set and pump with electromagnetic radiation operated interlock A medical pump including an electromagnetic emitter and detector is provided. The emitter emits electromagnetic radiation of a predetermined wavelength. A pump set that is compatible with the medical pump modifies the emitted electromagnetic radiation when properly ... | 11/08/2011 |
| 8026473 | Tilt sensor A tilt sensor includes a mount board, a cover, a light emitting and two light receiving elements on the mount board. A case, provided between the mount board and the cover, is formed with an inner space surrounded by the light emitting element and the light receivin... | 09/27/2011 |
| 7816642 | Pressure-induced counter with delay unit A pressure-induced counter includes a pressure acquisition unit, a delay unit and a counter unit. The pressure acquisition unit is electrically coupled to the counter unit via the delay unit. The pressure acquisition unit is configured for acquiring a pressure signa... | 10/19/2010 |
| 7560686 | Pump set and pump with electromagnetic radiation operated interlock A medical pump including an electromagnetic emitter and detector is provided. The emitter emits electromagnetic radiation of a predetermined wavelength. A pump set that is compatible with the medical pump modifies the emitted electromagnetic radiation when properly ... | 07/14/2009 |
| 7521668 | Optical audio microphone arrangement including a Michelson type interferometer for providing a phase difference between different parts of light beams This invention relates to an optical audio microphone arrangement comprising at least a sensor arranged to be movable in response to sound waves and a Michelson type interferometer for measuring the displacement of the sensor, which comprises a reflecting surface. T... | 04/21/2009 |
| 7518100 | System and method for detecting a position of a movable element A system and a method detect a position of a movable element within the interior of the compartment via a light source and/or a light sensor. The light sensor is connected to a platform and/or to a film for detecting an intensity of a light within the interior of th... | 04/14/2009 |
| 7476842 | System and method for emitting and/or detecting light within a compartment A system and a method emit and/or detect light within a compartment via one or more lenses. A light source emits the light in an interior of the compartment via one or more lenses and/or an optical fiber. Further, the system and the method may provide a light sensor... | 01/13/2009 |
| 7456385 | System and method for detecting an end of and/or a beginning of a stroke A system and a method detect that a movable element within an interior of a compartment is at an end of a stroke and/or a beginning of the stroke within the interior of the compartment. A switch and/or an electrical circuit is connected to the compartment for detect... | 11/25/2008 |
| 7436380 | Electronic Apparatus with level detecting function An electronic apparatus with level detecting capability has an electronic component, a light-sensing device for sensing light, a light source for emitting light onto the light-sensing device, a light blocker for blocking light emitted by the light source from projec... | 10/14/2008 |
| 7402791 | Switch having a ball member A switch includes a housing, an emitter disposed in the housing and having an emitter head to emit a light signal, and a receiver disposed in the housing and having a receiver head to receive the light signal. A receptacle is disposed in the housing, and includes a ... | 07/22/2008 |
| 7372279 | Power generation unit condition monitor using frequency profile analysis A power generator unit condition monitoring system can receive a frequency profile generated by a frequency generating component and can transmit the received frequency to a frequency profile analyzer. The frequency profile analyzer analyzes the transmitted frequenc... | 05/13/2008 |
| 7359295 | Optical pickup apparatus and optical disk drive apparatus An optical pickup apparatus for reproducing information from an optical disk, includes: a semiconductor laser applying a beam to an optical disk having two recording layers through an objective lens; and a light receiving device to which light reflected from the opt... | 04/15/2008 |
| 7349591 | Pressure compensated optical accelerometer, optical inclinometer and seismic sensor system An optical accelerometer includes means for changing the length of at least one optical fiber in response to acceleration functionally coupled to the at least one optical fiber. The fiber and the means for changing length are enclosed in a pressure compensated housi... | 03/25/2008 |
| 7347108 | Seat belt tension sensor A seat belt tension sensor for measuring the amount of tension in a vehicle seat belt. The seat belt tension sensor has a housing and an anchor plate that is mounted in the housing. The housing moves relative to the anchor plate. A magnet is held by the anchor plate... | 03/25/2008 |
| 7348542 | System and method for detecting an intensity of light A system and a method detect an intensity of light within an interior of a compartment and/or of an end cap to locate a position of a movable element within the interior of the compartment. A platform is attached to interior walls of the end cap for positioning a li... | 03/25/2008 |
| 7332707 | Aisle width sensor for mobile storage systems The disclosure relates to aisle width sensor for a mobile storage system for determining the width between adjacent movable storage units, particularly when creating an aisle therebetween. The sensor includes a first bracket which is slidable with respect to a secon... | 02/19/2008 |
| 7325321 | Method and device for monitoring the alignment of a measuring instrument, and measuring instrument The method and the device serve to monitor the alignment of a measuring instrument, specifically a balance. To perform this function, the monitoring device is equipped with an inclination sensor based on the principle of a spirit level, with a container filled with ... | 02/05/2008 |
| 7323649 | Jerking-initiated switch A jerking-initiated switch includes two first shank members and two second shank members secured to first and second lateral sides of a base wall of an insulating frame to define a rolling path for rolling of an electrically conductive ball therealong. Two limb memb... | 01/29/2008 |
| 7315351 | Lithographic apparatus, device manufacturing method and device manufactured therewith The invention relates to a lithographic apparatus and a device manufacturing method. The lithographic apparatus is of the scanning type, in which a radiation beam effectively scans across a surface of a substrate. The apparatus comprises a beam attenuator, e.g. in t... | 01/01/2008 |
| 7304291 | Information detecting device, sheet material processing apparatus equipped with information detecting device, and signal output device Disclosed is an information detecting device capable of reducing fluctuation in detection accuracy. A recording sheet P transported through a transport path comes into contact with a displacing member, and, in this state, a motor is driven to rotate a cam, and the r... | 12/04/2007 |
| 7302852 | Vibration measuring and monitoring system A vibration measuring and monitoring system (100) for an object (20) includes a laser unit (11), a laser sensor unit (12), and a processor (15). The laser unit is used for emitting a laser beam (13). The laser sensor unit is... | 12/04/2007 |
| 7294823 | System and method for detecting a position of a movable element A system and a method detect a position of a movable element within an interior of a compartment. The interior of the compartment has a light source, a light sensor, a base, a support and/or a movable element. The base is located between and/or is connected to the l... | 11/13/2007 |
| 7291830 | Light pipe, system and method for measuring light attenuation A light pipe, a system and a method measure light attenuation from an optical fiber connected to a light source. The optical fiber transmits light from the light source to a light detector to determine a distance between the optical fiber and the light detector. The... | 11/06/2007 |
| 7286964 | Methods for monitoring structural health conditions Methods and recordable media for monitoring structural health conditions. The present invention provides a method for interrogating a damage of a host structure using a diagnostic network patch (DNP) system having patches. An interrogation module partitions the plur... | 10/23/2007 |
| 7272979 | Seat belt tension sensor having an integral connector A seat belt tension sensor for measuring the amount of tension in a vehicle seat belt. The seat belt tension sensor has a housing and an anchor plate that is mounted in the housing. The housing moves relative to the anchor plate. A magnet is affixed to the anchor pl... | 09/25/2007 |
| 7274464 | Position measuring device A position measuring device for detecting the spatial position of a movable element in relation to a base body, the device including a linear measuring device that measures a distance between a movable element and a base body and an angle-measuring apparatus that me... | 09/25/2007 |
| 7267008 | Drive, transmit & receive circuit for structural health monitoring systems A transducer for use in a structural health monitoring system includes a single transducer element. The transducer includes a transmit assembly coupled to the single transducer element. This assembly is configured to produce a multi-cycle square wave drive signal fo... | 09/11/2007 |
| 7266261 | Fiber optics differential pressure transducer A fiber optics differential pressure transducer (100, 200, 300, 400) containing Bragg networks (118), said transducer being used to measure the differential pressure in a Venturi installed inside a pipe (1), through which a fluid like oil is dis... | 09/04/2007 |
| 7263906 | Seat belt tension sensor A seat belt tension sensor for measuring the amount of tension in a vehicle seat belt. The seat belt tension sensor has a housing and an anchor plate. A lever is mounted in the housing. The lever holds a magnet. A sensor is mounted to the housing. The sensor generat... | 09/04/2007 |
| 7242466 | Remote pointing system, device, and methods for identifying absolute position and relative movement on an encoded surface by remote optical method A pointing system comprises an encoded surface and a pointing device for use with an encoded surface remote from the pointing device. The pointing device comprises a collimated light source for projecting a collimated light beam having a wavelength outside the visib... | 07/10/2007 |
| 7239654 | Wave length plate, wavelength filter and wavelength monitor On a plate of birefringent crystal made of an LiNbO3 crystal or an LiTaO3 crystal, a conductive substance is adhered to the whole periphery of side surfaces of the plate that intersect an incident surface of a laser beam, thereby to form a wave... | 07/03/2007 |
| 7234830 | Optical switch An optical switch having a housing, a light source and a light detector. The light source and light detector are located remote from the housing. The light source is connected to the housing with a first light guide, and the light detector is connected to the housin... | 06/26/2007 |
| 7194913 | Apparatuses and methods for monitoring stress in steel catenary risers The invention describes apparatuses and methods of monitoring fatigue, structural response, and operational limits in structural components. More particularly, the present invention relates to fatigue, response, and operational monitoring systems on steel catenary r... | 03/27/2007 |
| 7191660 | Flame shield for high temperature pressure transducer Pressure transducers are used to measure pressure under high temperature, hostile environments, including in gas turbine combustors and internal combustion engines. The present a pressure transducer comprises a member having a first end and a second end, a diaphragm... | 03/20/2007 |
| 7190278 | Asset tag with event detection capabilities Described herein are a transient event detector comprising electrical circuitry suitable to detect a transient event, and a container having a wall with at least two electrically conductive contacts that are electrically connected to the electrical circuitry, each o... | 03/13/2007 |
| 7180053 | Apparatus, a system and method for determining a position within a cylinder An apparatus, a system and a method are provided for monitoring position of a machine element within a mechanical system and/or cleaning a machine element. A light source and sensor may be positioned within a cylinder. The sensor may detect the intensity of light wi... | 02/20/2007 |
| 7170047 | Opto-electronic encoder with three-dimensional scales A single-, two- or three-axis opto-electronic encoder, or error-inputting device, with an optical scale which is overall cylindrical, spherical or volumetric, as opposed to extant planar, circular optical scales; mostly parallel rays of light enter from the cylindri... | 01/30/2007 |
| 7168323 | System and method for optical vibration sensing A system for sensing vibration of a machine is provided. A light source directs a beam of light toward a light receiving system adapted to receive at least a portion of the beam of light. A light modulating system modulates the light beam received by the light recei... | 01/30/2007 |
