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7579579 |
Integrated photoreceptor circuit and optoelectronic component including the same with electric contact pads arranged solely on side of the processing area which is juxtaposed with the photosensitive area
The integrated photoreceptor circuit includes a photosensitive area for picking up light and a processing unit area for processing the signals provided by the photosensitive area. This...
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7516659 |
Inertial force sensor
A sensor having a mass that moves relative to a structure is disclosed. A spring mechanism applies a restoring force to the mass when the mass moves from an equilibrium position with respect to the...
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7427747 |
Optical image pickup apparatus for imaging living body tissue
A control portion of an optical image pickup apparatus includes a scan driver, a lock-in amplifier, and an A/D converter. The scan driver outputs a predetermined drive signal to a Y-scanning mirror...
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7297934 |
Optical system
In preferred forms of the invention an array of MEMS mirrors or small mirrors inside an optical system operates closed-loop. These mirrors direct external source light, or internally generated...
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7161733 |
Remote sensing apparatus and a frequency analysis method of the remote sensing apparatus
A remote sensing apparatus includes an optical system device, a frequency converter, and a frequency analyzer. The device transmits laser light generated from a laser light source toward an optical...
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7138622 |
Method and apparatus for monitoring light beams
An apparatus and method for monitoring light beams comprising a reflector for passing at least partially through the beam to reflect a sample of the beam and at least one sensor arranged to receive...
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7062973 |
Pressure gauge
A pressure gauge includes a housing and a mechanical sensor placed in the housing for sensing change of the pressure. A characteristic of the sensor varies in correspondence to the change of the...
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7042368 |
Automated meter reader device having optical sensor with automatic gain control
The present invention achieves technical advantages as an AMR device and method of use having an optical transceiver adapted to read analog meter faces. The transceiver advantageously includes an...
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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...
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6894271 |
Method for operating a positioning apparatus, and scanning microscope
A method for operating a positioning apparatus that moves a positioning element comprises the steps of: generating a first and at least one further reference signal, the first reference signal...
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6844952 |
Actuator-controlled mirror with Z-stop mechanism
Actuator-controlled mirrors with a Z-stop mechanism to reduce an undesired translational motion of the mirrors.
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6788807 |
Three dimensional information measurement method and apparatus
Method and apparatus for measuring three dimensional information of a target placed in an interior space of a rotator type mirror by using the rotator type mirror in combination with an imaging...
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6776045 |
Bragg grating pressure sensor for industrial sensing applications
A fiber grating pressure sensor for use in an industrial process includes an optical sensing element 20,600 which includes an optical fiber 10 having a Bragg grating 12 impressed therein...
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6768100 |
Continuous position calibration for servo controlled rotary system
A continuous optical calibration system for a galvanometer scanner. The system maintains one or more fiducial position references in each axis, independent of the normal position detector circuit....
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6606115 |
Method and apparatus for monitoring the thermal characteristics of an image
A method and apparatus for automatically identifying and tracking the hottest spot in an infrared scene captured and displayed by an infrared camera system. In an Autospot Mode of the present...
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6321010 |
Optical microstructure and method of manufacture
An article and method including an optical fiber coupled to a microstructure which is easily manufactured. The microstructure is comprised of a plurality of layers including a receptacle layer and...
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6271523 |
Optical sensor system and method for monitoring consumables
An optical sensor for monitoring a utility meter having a sweep hand indicator that moves over a meter surface of the utility meter. The optical sensor has a single infrared light emitter and two...
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6246503 |
Optical barrier apparatus
A laser beam generated from a laser beam generating means 201 is reflected on a semiconductor mirror galvanometer 102. A region 105 to be inspected is scanned with the reflected laser beam 106. The...
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6226126 |
Light beam mixer
A laser beam mixer combines two or more input laser beams in a coaxial manner to provide an output beam. At least one of the input beams is altered in cross-sectional profile, for example, to an...
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6037583 |
Control system for a scanner drive
A control system for a scanner is disclosed, especially for a laser scanning microscope, with an oscillating motor for driving an oscillating mirror serving for the linearly oscillating deflection...
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5917181 |
Profile measuring apparatus
A profile measuring apparatus provided with an improved probe for measuring profiles throughout a wide area of the surface of an object with a high level of response and high accuracy. The probe 10...
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5880464 |
Optical meter reader using a shadow
A meter reader for reading a meter by reading a shadow made by a meter pointer on the face of the meter. The meter reader includes a light source for shining a light toward the meter, a pulse...
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5841539 |
Three-dimensional measuring apparatus and three-dimensional measuring method
The three-dimensional measuring apparatus of the present invention includes an optical beam scanning unit for scanning a projected-and-depressed surface of an object with an optical beam while...
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5672865 |
Timing device for controlling machinery and other servomechanical devices and method of manufacture therefor
Disclosed are a timing device for controlling machine tools, handling equipment or other servomechanical elements and a method of manufacture. The timing device comprises a timing control element...
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5663825 |
Stabilized step/stare scanning device
A method and apparatus for holding a line of sight in a scanning imaging system wherein there is continuous relative movement between the field of view of the system and an image plane. A descan...
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5451775 |
Apparatus for detecting galvonmeter mirror movement of optical disc tracking servo system
A mirror movement detecting device includes a pivotable mirror, a pivotable mirror support member, a pivotable mirror drive unit, a reflecting plate secured to the pivotable mirror, a photo-sensing...
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5363232 |
Device for controlling luminous energy
A spherical integrator has beam input and output apertures. The output aperture is opened at a position to which incident beam does not directly strike. The integrator has a curved inner surface...
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5322999 |
Method and apparatus for precision control of galvanometer patterning system
A method and apparatus for precise control of a galvanometer patterning system is provided in which a patterning beam (12) is deflected off of a galvanometer mirror (14) toward a work piece (10)....
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5247173 |
Device for the acquisition of the instantaneous angular position of moving means and opto-mechanical systems incorporating such a device
The present invention concerns device for the acquisition of the angular position of mobile means of the type including a luminous source emitting an incident beam in a known direction and a...
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5229603 |
Vibration detection apparatus
A vibration detection apparatus having an outer cylinder having a chamber in which a liquid is sealed, a movable member rotatably held about a predetermined rotating shaft, and detecting means for...
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5223710 |
Optical angular position sensing system for use with a galvanometer
An optical angular position sensing system determines the angular position of a primary, beam-directing mirror by sensing the position of a beam from a secondary light source reflected from a...
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5159192 |
Encoder and scanning system using a scale having a non-uniform pitch
A rotary encoder and a scanning system using the same for detecting rotation of a galvano scanner which comprises a rotary scale coupled to a rotating driver, a scale with slits formed at a...
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5136159 |
Angular displacement detecting device for floating body with integral magnetic path forming means
An angular displacement detecting device provided with a tubular casing having a chamber in which a liquid is sealed, a floating body disposed in the liquid and supported for rotation about a...
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5126561 |
Angle displacement detector for optical image stabilization device
In an angle displacement detector for an optical image stabilization device including a tubular casing which has a chamber containing a sealed-in liquid, a floating body which is disposed within...
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5117104 |
Angular displacement detecting device utilizing a tubular casing having a chamber wherein a fluoroliquid is sealed
An angular displacement detecting device is provided with a tubular casing having a chamber in which a liquid is sealed, a floating body disposed in the liquid sealed in the chamber and supported...
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5103090 |
Optical angle measuring method and apparatus particularly for machine tools using polygons with light reflecting facets
An optical angle measuring apparatus for measuring the angular displacement of a polygon with light reflecting facets, for use, e.g., in machine tools. The apparatus comprises an autocollimator for...
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5103089 |
Angular displacement detecting device
An angular displacement detecting device which is provided with a tubular casing having a chamber in which a liquid is sealed, a floating body having a magnetic characteristic, the floating body...
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5002348 |
Scanning beam optical signal processor
The present invention relates to a scanning beam optical processing system which combines Fourier optics with the ability to scan a stationary object plane. A scanning system moves a beam of light...
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4889407 |
Optical waveguide sensor and method of making same
An optical waveguide sensor for determining an analyte in a medium, which sensor comprises an optical waveguide having a portion to be brought into contact with said medium, said portion having a...
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4888491 |
Device for measuring angular deviation of flat plate
Herein disclosed is a device for accurately measuring an angular deviation of a flat plate such as a video disk and a digital audio disk. A light beam emitted from a light source is obliquely made...
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4883954 |
Method of measuring optical radiation energy reflected by a reflection area
The invention relates to a method of measuring the optical radiation energy reflected by a reflection place as a relative fraction of energy supplied by an optical transmitter via an optical line....
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4859846 |
Dual-mode resonant scanning system
A dual-mode resonant scanning system comprising an electronic control circuit and a dual-mode resonant mechanical scanner to produce an essentially triangular scan pattern. The dual-mode mechanical...
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4806707 |
3-Dimensional digitizer pen
An electronic pen for a digitizer capable of providing signals to a computer for pen movement in three dimensions relative to a planar tablet. There is a hollow, pen-shaped body member having a...
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4801791 |
Pendulous compensator vibratory motion damping system
A system for dampening vibratory motion of a pendulous compensator in a laser beam projector includes a beam splitter which diverts a portion of a laser beam deflected by a mirror mounted on a...
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4792931 |
Optical seismic detector
A detector for detecting the acceleration, the velocity or the displacement of a point is described. The detector includes a light source, at least two photoelectric elements spaced apart from each...
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4687920 |
Electronic circuit for determining the position of a light spot on a position-sensitive detector
An electronic circuit for determining the position of a light spot produced by a light source (4, 22) on a position-sensitive detector (4,22) having a center terminal (2) and two end terminals (3,...
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4659219 |
System for detecting the angular position of a mechanical device
The invention provides a system for detecting the angular position of a mechanical device. The invention consists in providing the image of a slit of predetermined width on a mirror firmly fixed to...
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4658134 |
Digital tape measure
A digital tape measure comprising a tape stored in a casing body being wound on a reel so as to be movable corresponding to a length of measuring object when drawn out and on which a detection mark...
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4399393 |
Accelerator control for electric vehicles
An accelerator control for field-controlled DC motors, or other applications requiring non-linear response to linear control input. The control uses a photodetector detecting light reflecting from...
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4348939 |
Mechanical-optoelectronic angle comparator for determination of the angular position of a weapon mounted by a combat vehicle relative to the line of sight
A mechanical optoelectric angle comparator for determining the angular position relative to the line of sight of a weapon mounted on a combat vehicle having a sighting device including an objective...
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