Class 341/13 - Optical

Subclass of Class 341 - Coded data generation or conversion
Definition: Subject matter where the digital pattern carrier is read
No. of applications: 29
Last issue date: 01/19/2012

Application No.	Application Title	Issue Date
20120013486	Optical Three-Dimensional Coordinate Sensor System and Method Thereof The present invention relates an optical three-dimensional coordinate sensor system and method thereof. A plurality of light-emitting modules produce a plurality of light signals, and then a plurality of reflected light signals reflected by an object are received by a p...	01/19/2012
20110304482	ABSOLUTE OPTICAL ENCODER WITH LONG RANGE INTENSITY MODULATION ON SCALE An encoder configuration comprises a dual-modulation scale track pattern that provides a first intensity modulation component for producing periodic signals, and a second intensity modulation component for producing a long-range absolute signal. The dual-modulation scal...	12/15/2011
20110199240	PHOTOELECTRIC ENCODER A photoelectric encoder includes: a scale having a grating formed with a predetermined period Ps; and a detector head being movable relative to the scale and including a light source and a light receiving unit. In a configuration where light receiving elements in the li...	08/18/2011
20100246007	COMPOSITION INCLUDING AN ITEM AND AN ENCODED OPTICAL SUBSTRATE AND A METHOD FOR IDENTIFYING AN ITEM A method and apparatus for drug product tracking (or other pharmaceutical, health care or cosmetics products, and/or the packages or containers they are supplied with) using diffraction grating-based encoded optical identification elements 8 includes an optical s...	09/30/2010
20100231420	ENCODING AND DECODING METHOD FOR MICRODOT MATRIX An encoding and decoding method for a microdot matrix includes the steps of: forming a plurality of microdots by encoding based on Reflected Gray Codes in a data region included in each of a plurality of microdot blocks included in a microdot matrix, wherein the microdo...	09/16/2010
20100001884	METHOD OF RECORDING INFORMATION USING FIRST AND SECOND POSITION CODES A method for recording information from a surface of a substrate. The substrate is provided with a first position code and a second position code. The method comprises: (i) obtaining an image of the surface of the substrate using an optically imaging pen; (ii) determini...	01/07/2010
20090267803	Scale for photoelectric encoder A scale for a photoelectric encoder effectively protects the base of the scale from corrosion, rust, and flaws. The scale includes a base, a light-absorbing layer including a DLC layer formed on at least one surface of the base, and light-reflecting layers with a higher...	10/29/2009
20090224054	Encoding and Decoding Method for Microdot Matrix In a data region of each microdot block on a microdot matrix, a coordinate of each the microdot block on the microdot matrix is encoded into a plurality of microdots included by the data region according to an encoding method based on Reflected Gray codes. With the aid ...	09/10/2009
20090096638	ENCODER An encoder includes an encoder scale having an optical pattern of a prescribed cycle, and an encoder head configured to be displaced relative to the encoder scale. The encoder head includes a reference voltage generating circuit and a changing unit. The reference voltag...	04/16/2009
20090045985	ANALOG TO DIGITAL CONVERTER USING ARRANGEMENT OF STATORS AND AD CONVERTING METHOD An Analog to Digital (AD) converter and an AD converting method are provided. The AD converter includes one or more stators, and one or more actuators that move according to an input voltage. The digital output of the AD converter is determined based on an arrangement o...	02/19/2009
20080211694	ROTATION-ANGLE DETECTING APPARATUS A rotation-angle detecting apparatus detects a rotation angle of a rotating disc having radial markings, includes a plurality of detectors arranged at opposite sides of the axis of rotation of the disc and facing the markings, each of the detectors operable to detect a ...	09/04/2008
20080111062	Coding element with integrated limit switch An optical encoder. The optical encoder includes a coding element, an emitter, and a detector. The coding element has a track with a track pattern. The track pattern includes a plurality of optically distinguishable sections. The plurality of optically distinguishable s...	05/15/2008
20080074292	COMPRESSIVE SAMPLING AND SIGNAL INFERENCE A transmission mask or coded aperture is used in spectroscopy to compressively sample an optical signal. The locations of transmissive and opaque elements of the mask are determined by a transmission function. The optical signal transmitted by the mask is detected at ea...	03/27/2008
20080074291	COMPRESSIVE SAMPLING AND SIGNAL INFERENCE A transmission mask or coded aperture is used in spectroscopy to compressively sample an optical signal. The locations of transmissive and opaque elements of the mask are determined by a transmission function. The optical signal transmitted by the mask is detected at ea...	03/27/2008
20070182593	CIRCUIT MODULE INTEGRATING A LIGHT DRIVER AND AN OPTICAL SENSOR A circuit module integrating a light driver and an optical scanner is capable of sensing an image of a document and driving a light source. The circuit module comprises a printed circuit board, an optical sensor and a light driver. Both the optical sensor and the light ...	08/09/2007
20070030176	DIGITAL CONTROL SYSTEM FOR AN ELECTRO-OPTICAL DEVICE A method and firmware for digitally controlling an electro-optical device include steps of receiving as input a first analog signal representative of a measured parameter from an electro-optical device generated by the electro-optical device in response to a second anal...	02/08/2007
20060290534	Rotary encoder A rotary encoder exhibits a shaft, which can be coupled in torque-proof fashion to a rotating object to be measured. The shaft is connected at a true angle of rotation to a material measure and is divided axially into a drive section (10), which can be coupled to...	12/28/2006
20060284740	Actuating unit for a piezo-electrically controlled fuel injection valve An actuator unit which is suitable for actuating a fuel injection valve of an injection system for internal combustion engines includes a piezoelectric actuator and a hollow body embodied as a spring. The service life of the actuator unit can be improved by designing th...	12/21/2006
20060114127	CROSS-TALK LINEARITY CONNECTION An array of photoconductive elements comprises an array of radiation detectors; an electrical lead connected to the array of radiation detectors; at least one amplifier receptive of an output signal of the array of radiation detectors; a summation device receptive of an...	06/01/2006
20060103552	Optical disk apparatus In an optical disk apparatus, the polarity of synchronization information is adaptively set to thereby improve the quality of data recording and reproduction. When inserting and recording synchronization information, an encoder of an optical disk apparatus temporarily s...	05/18/2006
20060087455	Apparatus and method for improving resolution of optical encoder The invention provides an interpolation apparatus for improving the resolution of an optical encoder. The optical encoder outputs an encoding signal, and the encoding signal corresponds to a first resolution. The interpolation apparatus comprises a comparing circuit and...	04/27/2006
20060061489	Encoder for a motor controller An encoder in a motor system measures radial movement and translational movement of a disk with a single integrated sensor disposed on a microprocessor chip. The encoder measures position information and eccentric movement of the disk by the integrated sensor. The measu...	03/23/2006
20060049964	DUAL OPTICAL ANGULAR ENCODER To monitor the reliability of the information provided by a dual optical angular encoder, comprising two pairs of cells for detecting marks borne by a disc, at a given instant, the sequences of at least four successive states taken by the two groups of cells before this...	03/09/2006
20060038705	Compressive sampling and signal inference A transmission mask or cooled aperture is used in spectroscopy to compressively sample an optical signal. The locations of transmissive and opaque elements of the mask are determined by a transmission function. The optical signal transmitted by the mask is detected at e...	02/23/2006
20060017589	Digital-to-analog converting circuit, electroopitcal device, and electronic apparatus Aspects of the invention can provide a digital-to-analog converting circuit capable of, after converting digital data into an analog current, correcting the current value based on digital current correction data without any complex processing. The exemplary digital-to-a...	01/26/2006
20050253054	Encoder runout error correction circuit A novel encoder system adapted for use in print architecture at least includes: a codewheel coupled to a rotating print architecture element; a first encoder sensor mounted at a first position relative to the periphery of the codewheel, the first encoder adapted to outp...	11/17/2005
20050219066	ALL-OPTICAL LINEAR FEEDBACK SHIFT REGISTER An all-optical linear feedback circuit for use, for example, as a maximal length pseudo random bit sequence generator includes an all-optical logic circuit that is capable of generating 2^N−1 bit maximal length pseudo random bit sequences on an optical chann...	10/06/2005
20050128107	PHOTOCONDUCTIVE ENCODER WHEEL A photoconductive encoder structure has a grating cogwheel made of light-pervious materials, a sensor and two luminescence elements perpendicular to each other. An incident surface of the grating cogwheel surrounds a protruding surface, and protruding wheel parts divide...	06/16/2005
20050104749	Encoder An encoder includes comparators CP4 and CP5 which are provided in such a manner as to correspond to phase A and B reprectively and detect a state where the output voltages deviate from their normal ranges. Transistors TR4 and TR5 which operat...	05/19/2005

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Class 341/13 - Optical