| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 341001000 | DIGITAL PATTERN READING TYPE CONVERTER | 33 |
| 20120229305 | ENCODER HAVING DURABILITY AGAINST VIBRATION OR SHOCK - A reliable encoder capable of reducing vibration of a printed board when the encoder is subjected to vibration or shock, by means of a simple structure. The encoder has a housing, a rotating code plate arranged in the housing and configured to rotate in synchronization with an object to be measured, a printed board attached to the housing and positioned above the rotating code plate, wherein the encoder has a reinforcing member configured to contact a portion of the printed board where the displacement of the printed board is large while the printed board is resonated due to vibration or shock applied to the encoder. | 09-13-2012 |
| 341003000 | Plural types of codes on single carrier | 1 |
| 20080252490 | Merging A Codec With A Digital Media File and Playing A Digital Media File On A Playback Device - Merging a codec with a digital media file, including receiving, by a digital media provider from a playback device through a data communications network, a request for the digital media file, the digital media file comprising digital media content encoded by a codec, identifying, by the digital media provider, the codec by which the digital media content was encoded, inserting, by the digital media provider, the codec into the digital media file, distributing the digital media file with the inserted codec to the playback device through the data communications network. Playing a digital media file on a playback device, including receiving the digital media file in the playback device, extracting the codec from within the digital media file, installing, by the playback device, the codec for operation on the playback device, and decoding, by the playback device through the codec, the digital media content for playback on the playback device. | 10-16-2008 |
| 341004000 | According to nonlinear function | 1 |
| 20090135028 | Rotary encoding switch - In one embodiment of the present invention, a rotary encoding switch is disclosed such as used in the function setting for relays or similar. In one embodiment, a particularly secure function setting for relays or similar may be achieved by means of a rotary encoding switch with a number of switch stages with separations between the switch stages which are not constant. | 05-28-2009 |
| 341005000 | For X or Y coordinate determination (e.g., stylus-pad) | 9 |
| 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 of the stators and the positions of the actuators relative to the stators. The AD converter can achieve high resolution and/or high speed with lower power consumption. | 02-19-2009 |
| 20090207051 | PRESSURE SENSITIVE CONDUCTIVE SHEET, METHOD OF MANUFACTURING THE SAME, AND TOUCH PANEL USING THE SAME - A pressure sensitive conductive sheet is provided by having a plurality of ferromagnetic conductive particles dispersed in a transparent elastic member joined together and linearly aligned with the thickness direction thereby forming a linear aggregate and then having the linear aggregate segmented into a plurality conductive elements, held linearly aligned with the thickness direction, with predetermined gaps formed therebetween. Further, a touch panel having good transparency and allowing stabilized operation is provided by interposing the pressure sensitive conductive sheet between an upper conductive layer on the lower face of an upper substrate and a lower conductive layer on the upper face of a lower substrate. | 08-20-2009 |
| 20090237274 | SYSTEM FOR DETERMINING POINTER POSITION, MOVEMENT, AND ANGLE - An a data input system includes an encoded pad having position encoding and a data input device adapted to image a portion of the encoded pad to determine position and orientation of the data input device relative to the encoded pad. The encoding pad includes a plurality of correlation windows. Each correlation window includes a primary encoding marker in form of vertical line segment and a set of secondary encoding markers in form of diagonal line segments, at least one diagonal line segment intersecting the vertical line segment at an intersection angle. Spacing of the diagonal line segments encodes the X-axis position of the input device relative to the encoding pad. Intersection angle encodes the Y-axis position of the input device relative to the encoding pad. Angle of the primary encoding marker vertical line segment within the frame of the captured image encodes the angular orientation of the input device relative to the axes of the encoded pad. | 09-24-2009 |
| 20100013675 | WRITING PAD WITH SYNCHRONIZED BACKGROUND AUDIO AND VIDEO AND HANDWRITING RECOGNITION - A stand alone low cost writing pad includes a rechargeable battery, a low capacity memory, a low power processor, a first pair of connectors and supports audio, video and digital ink capturing functionalities. The writing may be detached from and re-attached to a stand alone base unit using the first pair of connectors. The base unit includes another rechargeable battery, high capacity memory, high power processor and a second pair of connectors. First data bus of the writing pad and second data bus of the base unit respectively run into the first pair of connectors and the second pair of connectors thereby ensuring that a communication pathway is set up between the writing pad and base unit when the writing pad is attached to the base unit. The base unit receives the captured audio and digital ink from the writing pad via the communication pathway and the high power processor runs voice recognition and optical character recognition software on received data to generate a second data. The second data is displayed on the writing pad and/or stored in the high capacity memory for future use. | 01-21-2010 |
| 20100026527 | COORDINATE POSITION DETECTION DEVICE FOR TOUCH PANEL - A coordinate position detection device according to the present invention includes: charging circuits having both the capability of charging a coupling capacitance in a capacitive-coupling touch panel with a position-detection resistive film whose potential periodically varies between a positive potential and a negative potential and the capability of restoring the charged coupling capacitance to its state prior to charging; current-to-voltage conversion circuits converting into a voltage the total amount of charging currents of the coupling capacitance after the charging circuits supply the charging current to the coupling capacitance a plurality of times; and a computation device detecting the coordinate position of a touched area based on the outputs of the current-to-voltage conversion circuits. The coordinate position detection device is characterized in that the number of charging operations performed when the potential at the position-detection resistive film is positive is substantially equal to the number of charging operations performed when the potential at the position-detection resistive film is negative. With this configuration, it is possible to improve the accuracy with which the coordinate position of a touched area is detected even when the potential at the position-detection resistive film periodically varies. | 02-04-2010 |
| 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 microdots corresponding to lower order bits of the Reflected Gray Codes are formed as the outmost microdots in the data region; scanning the microdot matrix to fetch an image and recognizing a microdot group in the date region of each microdot block in the image; and decoding a corresponded coordinate of the image on the microdot matrix according to the microdot block to which the microdot group containing lower order bits of the Reflected Gray Codes belongs. | 09-16-2010 |
| 20110043383 | PATTERNING OF THIN FILM LAYERS - Simplified patterning of layers of a thin film is disclosed. In some embodiments, the patterning can include patterning a first conductive layer using a patterned dielectric layer as a mask and patterning a second conductive layer using a patterned passivation layer as another mask. In other embodiments, the patterning can include patterning a first conductive layer using a removable photosensitive layer as a mask, patterning a black mask layer using a removable photo mask, and patterning a second conductive layer using a patterned passivation layer as another mask. In still other embodiments, the patterning can include patterning a first conductive layer using a patterned black mask layer as a mask and patterning a second conductive layer using a patterned passivation layer as another mask. An exemplary device utilizing the thin film so patterned can include a touch sensor panel. | 02-24-2011 |
| 20110084857 | MULTI-TOUCH TOUCH DEVICE WITH MULTIPLE DRIVE FREQUENCIES AND MAXIMUM LIKELIHOOD ESTIMATION - A touch-sensitive device includes a touch panel, drive unit, and measurement unit. A touch applied to a given node of the panel changes a capacitive coupling between a given drive and sense electrode of the touch panel. The drive unit delivers first and second drive signals, having different first and second frequencies, to first and second drive electrodes respectively at the same or overlapping times. The measurement unit receives a first response signal from a sense electrode, and analyzes the signal using maximum likelihood estimation to determine the coupling capacitance between the first drive electrode and the sense electrode, and between the second drive electrode and the sense electrode. More drive electrodes, including in some cases all the drive electrodes, can be driven with unique drive frequencies, and more sense electrodes, including in some cases all the sense electrodes, can be sensed by the measurement unit. | 04-14-2011 |
| 20140368362 | METHOD FOR DETERMINING INCLINE ANGLE OF ELECTROMAGNETIC POINTER - A method for determining an incline angle of an electromagnetic pointer is provided. The electromagnetic pointer is positioned on or above a digitizer which has a plurality of loop antennas. The method comprises steps of: locating a peak-value loop antenna which has a maximum inductive signal value; scanning plural loop antennas that are near to the peak-value loop antenna so as to obtain a signal distribution; simulating at least two signal curves by using signal values sensed by the peak-value loop antenna and the neighboring loop antennas; calculating a rate of change between every two signal curves; and determining an incline angle of the electromagnetic pointer by looking up a conversion table with the calculated rate of change. The present invention only needs to scan five to seven loop antennas to determine the incline angle, thereby increasing the efficiency of incline angle determination. | 12-18-2014 |
| 341006000 | With directional discrimination | 1 |
| 20140125503 | QUADRATURE SIGNAL DECODING USING A DRIVER - A system and method for decoding quadrature signals includes a quadrature signal generator, a quadrature signal decoder, a key matrix and a driver. The quadrature signal generator generates quadrature signals on rotation. The quadrature signal decoder is configured to convert the quadrature signals into non-overlapping signals. The key matrix is configured to receive the non-overlapping signals. The driver is configured to scan the key matrix to decode the non-overlapping signals to generate an event update corresponding to a direction of rotation of the quadrature signal generator. | 05-08-2014 |
| 341011000 | Incremental | 4 |
| 20090184848 | ROTARY ENCODER AND METHOD OF MANUFACTURING THE SAME - A rotary encoder includes a case made of insulating resin, a rotatable operation shaft, a slidable brush fixed to the operation shaft, and a signal contact embedded in a surface of the case. The slidable brush has a contacting section sliding on a surface of the case on a predetermined circumference according to a rotation of the operation shaft. The signal contact has an upper surface flush with the surface of the case, a first side surface connected to the upper surface at a first corner having a right angle, a second side surface connected to the upper surface at a second corner having a right angle, and a lower surface opposite to the upper surface. The first and side surfaces are positioned on the predetermined circumference. The lower surface has a width smaller than a width of the upper surface. This rotary encoder has a small size and outputs a signal precisely. | 07-23-2009 |
| 20090278711 | Sensor Arrangement for the Precise Detection of Relative Movements Between An Encoder and A Sensor - A sensor arrangement and a method for the precise detection of relative movements between an encoder and a sensor, including an encoder, which has an incremental scale having a plurality of scale subdivisions (λ), and a sensor which is magnetically coupled to the encoder via an air gap and includes at least two magnetic field sensor elements (SE | 11-12-2009 |
| 20110316722 | Incremental Coder and Method for Determining a Value of Variation of Stable Positions of the Coder - An incremental coder in which stable positions of the coder are defined by multiples of an increment of the coder. The coder computes a difference between a binary word obtained for a current stable position and a binary word obtained for a previous stable position, and computes the value of variation of stable positions by determining the integer part of the division of the difference by the number of increments between two stable positions. | 12-29-2011 |
| 20140028478 | CORRECTION VALUE DERIVATION APPARATUS, DISPLACEMENT AMOUNT DERIVATION APPARATUS, CONTROL APPARATUS, AND CORRECTION VALUE DERIVATION METHOD - This invention improves detection precision by reducing a detection error of a change in position of a target. A correction value derivation apparatus for deriving a correction value used in correction of a displacement amount derived based on an encoder signal indicating a change in position of a movable portion as a target, comprises: a displacement amount derivation unit configured to derive a detected displacement amount of the movable portion based on the encoder signal; a displacement velocity derivation unit configured to derive a detected displacement velocity based on the detected displacement amount derived by the displacement amount derivation unit; an average displacement velocity calculation unit configured to calculate an average displacement velocity over a predetermined displacement range; and a correction value derivation unit configured to derive the correction value based on the detected displacement velocity and the average displacement velocity. | 01-30-2014 |
| 341013000 | Optical | 9 |
| 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 light beam from the markings, and outputting a pair of periodic signals having a 90-degree phase difference between the members of the pair; an analog-to-digital converter arranged to convert pairs of periodic signals from the detectors into pairs of digital signals; a digital signal processor configured to process the pairs of digital signals from the analog-to-digital converter; a binarization unit arranged to binarize the pairs of periodic signals from the detectors; and a counter arranged to count the pairs of periodic signals binarized by the binarization unit. The digital signal processor determines the rotation angle of the disc based on the pairs of digital signals from the analog-to-digital converter and count results from the counter. | 09-04-2008 |
| 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 voltage generating circuit is configured to generate a reference voltage set to the center amplitude of an encoder signal when the output of the encoder is an encoder signal having periodicity of at least one phase. The changing unit is configured to change the reference voltage generated in the reference voltage generating circuit. | 04-16-2009 |
| 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 reflectance than that of the light-absorbing layer with respect to light falling within a wavelength range and formed into a grating on the light-absorbing layer. | 10-29-2009 |
| 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) determining whether the first position code or the second position code is present in the image; and (iii) determining the location of the pen. If the first position code is detected in the image, then the location is interpreted as handwritten input on the surface. Alternatively, if the second position code is detected in the image, then the location is used to determine if the pen is in a particular zone of the surface and a predetermined function associated with the zone is performed. | 01-07-2010 |
| 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 light receiving unit output N-points light and dark signals (N is an integer of 3 or more), and where phases of the N-points light and dark signals are detected by a least-squares method to fit a sinusoidal function with fixed period to N-points digital signals digitized from the N-points light and dark signals, an N-points light and dark signal period P is set at an integral multiple of a data-point interval w of the N-points digital signals, and an overall length M of the light receiving elements is set at an integral multiple of the N-points light and dark signal period P. Thereby, position detecting errors occurring due to a stain of the scale and/or a defect in the grating can be reduced by simple computing. | 08-18-2011 |
| 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 scale track pattern increases the range-to-resolution ratio of the encoder without the use of additional scale tracks that would increase the width of the encoder components. The long-range signal may be encoded in the dual-modulation scale track pattern either by varying certain dimensions of pattern elements included in the scale track or by superimposing a layer including an optical density variation along on the track on pattern elements of similar areas. In either case, the net offset and/or amplitude levels of the associated signals are modified along the scale track. These modified offset and/or amplitude levels provide the basis for the long-range absolute signal. | 12-15-2011 |
| 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 plurality of photodetectors. After receiving the reflected light signals, the photodetectors generate a plurality of photocurrents. A plurality of active pixel circuits receive the photocurrents and transform the photocurrents to a plurality of reflective optical voltages. A plurality of differential amplifier circuits (DAC) compare the reflective optical voltages and the background voltages, and then output a plurality of DAC output voltages of the reflected light signals. Afterward, a processing module detects the DAC output voltages and uses an algorithm to calculate the top three of the DAC output voltages to determine the three-dimensional coordinate of the object. | 01-19-2012 |
| 20130127644 | SCALE OF PHOTOELECTRIC ENCODER AND MANUFACTURING METHOD OF THE SAME - A scale of a photoelectric encoder includes a base member which is conductive and has a light reflection surface, and light absorptive black gratings which are arranged at a prescribed pitch on the base member. | 05-23-2013 |
| 20130176149 | ENCODER SIGNAL PROCESSING CIRCUIT - An encoder signal processing circuit is connected to encoder heads outputting an encoder signal in accordance with a relative displacement with respect to a corresponding scale in such a way that signals can be transmitted to and received from the encoder heads, and processes encoder signals from the encoder heads. The circuit includes a processing unit and a processing decision unit. The processing unit generates displacement information from the encoder signal. The processing decision unit decides at least one of content of processing for the encoder heads and content of processing on encoder signals read from the encoder heads after starting to read an encoder signal from one of the encoder heads. | 07-11-2013 |
| 341015000 | Magnetic, inductive or capacitive | 6 |
| 20090195415 | Magnetic encoder - A magnetic encoder for use in a wheel bearing that forms a pulse train by means of a magnetic force and generates a code. The magnetic encoder is obtained by radially magnetizing a magnetic rubber ring with alternate S poles and N poles, said magnetic rubber ring is formed by vulcanizing and adhering a magnetic rubber base, in which unvulcanized rubber and rare earth magnetic powder are mixed, to a reinforcement ring. | 08-06-2009 |
| 20090267804 | CYLINDRICAL COVER ATTACHED ENCODER APPARATUS - A cylindrical cover-attached encoder apparatus, including a magnetic metal-based body having a cylindrical shape, a magnetic rubber-based encoder having a cylindrical shape and formed around the outer peripheral surface of said magnetic metal-based cylindrical body, and a nonmagnetic material-based cover having a cylindrical shape and adapted to be mounted on said magnetic rubber-based encoder for covering the outer peripheral surface of the cylindrical portion of said magnetic rubber-based encoder. | 10-29-2009 |
| 20100045489 | Rotary Electrostatic Encoder - A rotary electrostatic encoder comprising a disk-shaped fixed plate having a first transmission electrode, a second transmission electrode, and four reception electrodes; a disk-shaped rotating plate having a first induction electrode superposed on and facing the first transmission electrode, and a second induction electrode positioned on the inside of the first induction electrode and superposed on and facing the second transmission electrode, a portion of the second induction electrode being a protruding eccentric circular part; transmission means for applying a transmission signal between the first transmission electrode and the second transmission electrode; and signal processing means for generating an output signal relating to the absolute rotational displacement of the rotating plate on the basis of two signal components generated from the four reception electrodes. | 02-25-2010 |
| 20100295709 | TOUCH SENSOR WITH SLIDING STRUCTURE - A touch sensor with a sliding structure is disclosed. The touch sensor includes a first touch detecting plate, a second touch detecting plate, and a capacitance-to-digital converter. The first touch detecting plate includes a first tilt portion, and the second touch detecting plate includes a second tilt portion, wherein a bevel edge of the second tilt portion is parallel to a bevel edge of the first tilt portion. The first touch detecting plate and the second touch detecting plate form a parallelogram slide detecting area. The first touch detecting plate transmits a first detected capacitance, and the second touch detecting plate transmits a second detected capacitance. The capacitance-to-digital converter generates a sliding state detected value according to the first detected capacitance and the second detected capacitance. | 11-25-2010 |
| 20110006923 | CYLINDRICAL COVER-ATTACHED ENCODER APPARATUS - A cylindrical cover-attached encoder apparatus, including a magnetic metal-based body having a cylindrical shape, a magnetic rubber-based encoder having a cylindrical shape and formed around the outer peripheral surface of said magnetic metal-based cylindrical body, and a nonmagnetic material-based cover having a cylindrical shape and adapted to be mounted on said magnetic rubber-based encoder for covering the outer peripheral surface of the cylindrical portion of said magnetic rubber-based encoder. | 01-13-2011 |
| 20160134299 | ANGLE ENCODER AND A METHOD OF MEASURING AN ANGLE USING SAME - An angle encoder is disclosed. The angle encoder has first and second components rotatable with respect to each other, and an encoder pattern comprising codewords for indicating the angle between the first and second components. The encoder pattern comprises a set of base encoder channels coded with a conventional Gray code, and a set of Booster channels for improving the resolution of angle measurement. | 05-12-2016 |
| 341016000 | Brush and contacts or conductive pattern | 1 |
| 20130106624 | Encoder Without Stopping Structure | 05-02-2013 |
