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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...
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...
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...
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...
7161138 Electrical product and tilting control device thereof  
An electrical product and a tilting control device thereof are provided. The tilting control device comprises a shell body, a light source, at least a transparent box, an opaque element, a...
7151247 Mobile measurement system of photoenvironment  
This invention relates to a mobile measurement system of photoenvironment comprises a measuring equipment 5 to measure photoenvironment and a barrow 4 for moving measurement which the equipment...
7129470 Optical sensor using a long period grating suitable for dynamic interrogation  
Disclosed herein is an optical sensor design and method for continually interrogating that sensor to produce an accurate representation of a dynamic event (such as a change in strain, pressure or...
7129468 Electronic assembly for the production of wireless string instruments  
An optoelectronic pickup that generates a fluctuating voltage that is analogous to the vibrations of a vibrating body. When utilized with the vibrating body of a musical instrument and amplified...
7123354 Optical position measuring device  
An optical position measuring arrangement that includes an incremental measuring graduation and a scanning unit, which can be moved in relation to the incremental measuring graduation along a...
7109469 Composite operation type input device for carrying out pressing and rotation operations with common operation unit  
A code disc is spline-connected to an operation unit supported such that it can rotate and move vertically and sandwiched between a center cylinder and a return spring. Rotation of the operation...
7084616 Method and device for measuring an electrical voltage  
A method and device for measuring electrical voltage allow measurement under open-air conditions including high-voltage and very high voltage. Influence of temperature changes on electrical and...
7078676 Displacement sensor apparatus  
There is provided herein a sensor for determining relative displacement between two surfaces which utilizes two optically conductive members that have been mounted in proximity to each other,...
7045768 Displacement/quantity of light converter  
A displacement/quantity of light converter in which sensitivity to a micro displacement due to sound of a diaphragm, or the like, can be enhanced easily. In the displacement/quantity of light...
7031031 Position measuring system  
A method for the functional control of a position measuring system that includes placing a scanning unit at a position with respect to a graduation, generating a first scanning signal and a second...
7019667 System and method for accurate reading of rotating disk  
A novel system and method for achieving accurate readings of the rotational speed, number of revolutions and direction of rotation of a utility system. More specifically, a system and method for...
7019280 Apparatus for detecting the tilt of a light reflector relative to the optical axis of input light  
The object of the invention is to accurately detect the amount of tilt in the light reflector to the optical axis of an output light with a simple configuration. A tilt sensing apparatus includes a...
6955085 Optical accelerometer or displacement device using a flexure system  
Disclosed herein is an accelerometer and/or displacement device that uses a mass coupled to a rhomboidal flexure to provide compression to an optical sensing element preferably having a fiber Bragg...
6952009 Apparatus, a system and a method for monitoring a position of a shaft element in a cylinder and an apparatus, a system and a method for cleaning of the shaft element  
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...
6924475 Optical transducers and method of making same  
An optical transducer includes a light source and a light detector mounted on a base member in laterally spaced relation to each other, a deformable membrane overlying the light source and light...
6921894 Fiber optic micro accelerometer  
An accelerometer includes a wafer, a proof mass integrated into the wafer, at least one spring member connected to the proof mass, and an optical fiber. A Fabry-Perot cavity is formed by a...
6917035 Covering for the apertures of reaction receptacles constituted in microtitration plates  
A covering for apertures of reaction receptacles formed in a microtitration plate, including a hermetic, elastically deforming mat or foil, a frame, and connecting elements. The mat or foil, upon...
6909084 Optical tactile sensor having a transparent elastic tactile portion  
The invention relates to a tactile sensor capable of obtaining information for a plurality of degrees of freedom at each point on a surface by introducing multi-channel sensing that uses color or...
6906310 Level  
A level. A projected plane is generated substantially parallel to a reference plane by a light source rotatably emitting light. A main shaft, having a rotary portion and a pair of protrusions and...
6858835 Electronic tilt switch and integrated light module  
An electronic tilt switch for controlling an electrical circuit such as a vehicle hood lamp circuit according to the angle of inclination of the tilt switch. The tilt switch includes a housing, a...
6847030 Scanning device for a position-measuring system for scanning a scale graduation  
The invention relates to a scanning device for a position measuring system for scanning a scale graduation with a probe, which can be brought into operative connection with the scale graduation and...
6800841 Tilt switch  
A tilt switch includes a housing body with a modular concavity, light emitting and receiving units disposed in the housing body, a modular insert body inserted into the concavity and having an...
6769307 Method and system for processing measurement signals to obtain a value for a physical parameter  
In a measurement system wherein time-varying physical signals containing frequency information related to a physical parameter of an object are measured to obtain corresponding time-varying...
6759647 Projection encoder  
In a projection encoder based on a triple-grating concept, a light-transmitting grating group 3 for detecting A- and B-phase signals, a photodiode group 4 for detecting A- and B-phase signals,...
6758086 Automotive cylinder pressure sensors  
Several associated techniques and fiber optic constructions are disclosed to protect a diaphragm type fiber optic cylinder pressure sensor from the effects of maximum under hood temperatures and to...
6753519 Arrangement for the detection of relative movements or relative positions of two objects  
An optoelectronic arrangement for the detection of relative movements or relative positions of two objects, which comprises at least three light emitting means as optoelectronic elements, with the...
6750444 Apparatus and method for measuring vehicle speed and/or acceleration  
An apparatus and method for measuring the speed and/or acceleration of a vehicle traveling on a vehicle path includes sender/detector units on one side of the vehicle path and corresponding...
6740867 Vibration switch  
A vibration switch includes an optoelectronic sensor member with light emitting and receiving units disposed in an insulating housing. A light-transmission rollable member is received in the...
6723979 Roll arming sensor  
A roll arming sensor is provided for determining an arming signal for use on a vehicle for rollover detection. The roll arming sensor includes a light source for generating a light beam and a...
6710322 Device for detecting the position of a selector lever  
A invention relates to a device for detecting the position of a selector lever, in which the selector lever is connected to a switching device that transmits a signal to an evaluation device for a...
6690457 Optical inclination sensor  
An object of the invention is to detect four conditions, namely upright, rightwardly inclined, leftwardly inclined and inverted conditions. A casing has a housing space formed therein, and has an...
6664534 Tilt sensing device and method for its operation  
A tilt sensing device and method for its operation, the device being of the type comprising a) a housing, b) a radiation transmitter and a radiation receiver arranged in or at the housing to form a...
6614016 Method for optically determining the position of a movement element and sensor for implementing the method  
A method for optically determining the position of a movement element optically includes introducing the light emitted by a light source into an optical conductor which causes attenuation of the...
6608297 Scanner document speed encoder  
A scanner, through which a document moves while being scanned by a moving beam of light, includes a wheel that rotates responsive to document movement. The wheel includes a multi-sectioned optical...
6603105 Smart optical microphone/sensor  
The invention provides a smart optical microphone/sensor for sensing distances to a membrane or to a light-reflecting surface, including a source of light for illuminating the membrane or...
6568273 Pressure sensor  
A sensor for detecting localized pressure bearing on the sensor, comprises a volume of compressible, light translucent material having light-scattering centers evenly dispersed throughout the...
6560804 System and methods for mattress control in relation to patient distance  
The present invention relates to a system and a method for detecting and monitoring the distance between a patient and a reference point on an inflatable air mattress and for controlling the air...
6556946 Linear position sensor  
Apparatus and methods for determining a linear position of a moveable member having a code disposed thereupon. The code includes a succession of data fields having at least n characters and...
6525307 Integrated optical interrogation of micro-structures  
The invention is an integrated optical sensing element for detecting and measuring changes in position or deflection. A deflectable member, such as a microcantilever, is configured to receive a...
6507016 Apparatus and method for sensing a vehicle rollover condition  
A vehicle rollover sensor ( 10 ) includes a rotor ( 12 ) having a central rotor axis ( 14 ) and which is mountable within a vehicle ( 18 ). The rotor ( 12 ) is inertially balanced and freely...
6481289 Method and system for processing measurement signals to obtain a value for physical parameter  
In a measurement system wherein time-varying physical signals containing frequency information related to a physical parameter of an object are measured to obtain corresponding time-varying...
6399941 Inclination angle sensor  
The present invention aims at providing an inclination angle sensor that can be mounted on a vehicle such as an automobile, resistant to external disturbances such as vibrations, superior in...
6399939 Sensor array system  
A sensor array for nondestructively monitoring a structure to detect a critical event. The sensor array includes a plurality of discrete sensor nodes, each of the discrete sensor nodes producing an...
6392223 Tilt sensing device and method for its operation  
A tilt sensing device and method for its operation, the device being of the type comprising (a) a housing, (b) a radiation transmitter and a radiation receiver arranged in or at the housing to form...
6392220 Micromachined members coupled for relative rotation by hinges  
A monolithically fabricated micromachined structure ( 52 ) couples a reference frame ( 56 ) to a dynamic plate ( 58 ) or second frame for rotation of the plate ( 58 ) or second frame with respect...
6365890 Underwater optical load cell system  
A system is provided for detecting movement of an object underwater. A housing positioned underwater defines a gas-filled cavity receiving an optical reflector that is fixedly coupled to an object...