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7668983 System for designing data structures  
Systems and methods for designing data structures are provided. In one embodiment, an asynchronous first-in-first-out (FIFO) data structure may include, for example, a FIFO memory having a depth d...
7612689 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...
7535382 High speed quadrature counter  
A high speed quadrature counter for use with a displacement measuring device is disclosed. The counter provides high speed counting by partitioning the tracking counter into a small fast tracking...
7289041 Absolute position chain encoder  
An absolute position encoder for identifying which of a plurality of loci a moveable member occupies comprises a plurality of data tracks in which binary data is encoded to form a series of n-bit...
7145480 Data processing apparatus and method for performing in parallel a data processing operation on data elements  
A data processing apparatus and method are provided for performing in parallel a data processing operation on data elements. The data processing apparatus comprises a register data store having a...
7119718 Encoding techniques for a capacitance-based sensor  
One embodiment of the present invention comprises a sensor with a face having several tracks spaced apart from one another. One of these tracks has a first electrode and a second electrode...
7023363 Position encoding using impedance comparison  
An encoder system includes an encoding medium having a plurality of encoder target portions alternating with a plurality of encoder window portions. A sensor is movable in relation to the encoding...
6946979 Encoder having electrode pattern with pairs of non-conductive portions and multiple sliders that contact the electrode pattern  
An encoder includes a rotary member having a predetermined electrode pattern and a fixed member having multiple channel contacts which are opposed to the electrode. The rotary member has stable...
6943705 Method and apparatus for providing an integrated membrane switch and capacitive sensor  
A circuit assembly for providing a switch sensor and a capacitive sensor. The circuit assembly has a first pattern of conductive material in a first plane and a second pattern of conductive...
6683545 Multiturn rotary encoder with detector devices on a shared side of a printed circuit board  
In a multiturn rotary encoder, a first code disk is arranged with an input shaft for detecting the angular position of the input shaft within one rotation. To detect the number of rotations of the...
6661354 Potentiometer with embedded signal circuitry  
A potentiometer and logic circuitry attached to a common substrate. In one aspect the potentiometer and logic circuitry is an integrated potentiometer mounted on an upper surface of a circuit board...
6542088 Multiturn rotary encoder with multiple code carriers coupled by a reduction gear  
A multi-turn rotary encoder that includes a first code carrier connected with an input shaft, a scanning device that scans the first code carrier and generates an absolute position of the input...
6462677 Encoder with embedded signal circuitry  
An integrated digital electronic encoder that converts mechanical movement of a device input into a signal that can be applied to particular purposes is described. The encoder and associated signal...
6353399 Robust encoding scheme for a shift motor encoder assembly and a system using the same  
This invention describes encoding methodology for the encoder assembly 18 which senses position of a shift motor 14 in a shift system 10. The basic motivation is robust operation of the shift...
6324023 Position detector and lens barrel  
A position detecting device comprises: a plurality of magnetoresistive elements which, with a predetermined spacing, are disposed so as to oppose a magnetic recording medium magnetized so as to...
6198411 Method of determining the first sector on a recording medium  
A method of determining a first sector within a zone on a recording medium. The recording medium has several zones, each zone having several subtracks, each subtrack having several sectors. Each...
6069572 Apparatus and method to encode position information data on a recording medium  
The invention provides for encoding position information for zone number, subtrack number and sector number, with less number of bits. The invention also provides for redundant position information...
5880683 Absolute digital position encoder  
A method and apparatus to convert absolute angular or linear position to digital information utilizes a ternary coding scheme. The code is arranged along a single track. Sensors placed at...
5751230 Digital input and control device  
An absolute position encoder converts absolute mechanical position to a digital output value. A single-track, rotary embodiment of the encoder includes several conductive pick-up segments that are...
5574445 Digital absolute position encoders  
A digital absolute position encoder is provided for determining absolute position of a first member with respect to a second member. The absolute position is determined within a resolution cell of...
5519393 Absolute digital position encoder with multiple sensors per track  
A method and apparatus to convert absolute angular or linear position to digital information utilizes a ternary coding scheme. The code is arranged along a single track. Sensors placed at...
5049879 Position encoder utilizer special gray code  
A position encoder includes a plurality of encoded elements or disks, each of which has indicia representative of a bit of a five bit digital word of a Gray code. Each disk is mechanically coupled...
5029304 Sensor with absolute digital output utilizing Hall Effect devices  
A sensor for determining position or dimensions of an object comprises an array of detectors and an actuating medium of the detectors configured to cause the detectors to output an absolute Gray...
4983900 Linear encoder with plural detectors for use with one or more main scales  
A linear encoder has a plurality short main scales arranged separately in their longitudinal direction and plural sliders situated in parallel with the longitudinal direction so as to more along...
4901072 Position detector utilizing gray code format  
A position detector is provided with an encoded element having indicia representative of a bit pattern of a pair of bits of a Gray code and a pair of sensors responsive to this indicia. The encoded...
4730110 Shaft position encoder  
A multi-turn shaft position encoder employs a plurality of encoder discs with successive speed reductions of 1:2n and the generation of n+1 bits of binary data representative of the angular...
4691191 Device for signal processing and target plate for such a device  
In an analogue-to-digital converter based on the principle of deflection of an electron beam striking a target plate, the number of diodes in the target plate is doubled. The target plate is...
4623831 Rotor position sensing apparatus for motors  
A pulse encoder (2) is provided for generating a position code IP corresponding to the rotational position of a rotor of a motor (1), as well as rotation pulses AP, BP each of which is produced...
4621256 Apparatus for measuring rate of angular displacement  
A shaft angle encoder comprises a code disc (21) mountable coaxially upon a rotary shaft (20) whose angular position is to be continuously measured. Coarse-bit angular position data are encoded...
4558304 Incremental encoder synchronous decode circuit  
A synchronous decode circuit for an incremental encoder is disclosed which comprises analog-to-digital converters for converting in phase and quadrature encoder signals to transistor-to-transistor...
4492029 Inclinometer  
An inclinometer comprising a sector weight pivotally supported on a main body which may become inclined, the weight being relatively rotatable with respect to the main body and constantly hanging...
4445110 Absolute optical encoder system  
An optical code disc includes a fine track which provides a high resolution signal, at least one V scan natural binary track synchronized to the fine track by lead and lag detectors, and Gray code...
4422065 Method for readout form multiscale encoders and a multiturn absolute angle-code converter  
Method for readout from multiscale encoders wherein the fine readout digits information signals formed in Gray code by means of light flux modulation from the fine readout code mask graduations are...
4345240 Throttle opening sensor  
A signal generator is provided which produces a signal indicative of a throttle position of an engine on a vehicle. A plurality of split electrodes are formed on a printed electrical circuit...
4315252 Apparatus for detecting the relative position of two movable bodies  
Apparatus is disclosed for detecting the relative position or displacement between two movable bodies, wherein a reader or sensor mounted on one of the two bodies reads a code pattern on the other...
4221328 Data read-out system and apparatus useful for angular measurements  
Data acquired from a source such as a coded disc is processed so as to be free of ambiguities associated with boundary transitions where the data source produces groups of bits which have least...
4173752 Gray code reader  
An analog to digital convertor for converting mechanical motion to an electric digital signal which includes a code plate carrying gray codes for measuring displacement, codes for parity bits and...
3951271 Robot control device  
A control means for a robot transfer device in which there are provided control heads including positional sensing devices connected so as to sense the movement of the robot device in each plane,...
3929398 High speed optical wavelength detection system  
Light whose wavelength is to be measured is applied to a device utilizing a light processing means which serves to transmit light to a detector array in a manner determined by its wavelength. The...
3891143 Encoding apparatus having an improved code permitting error reading and error detection  
An improved encoding arrangement which permits error free reading of a coded index carrier and detection of any errors in such readings in which the index carrier is coded in such a manner that the...
3878532 High-frequency analogue to digital conversion apparatus  
Apparatus is described for operation at high frequencies to convert analogue signals into corresponding digital signals. The high-frequency apparatus includes means such as an electron gun for...
3846789 REMOTE-READING REGISTER WITH ERROR DETECTING CAPABILITY  
A remote-reading register includes an optical encoding mechanism for encoding the angular position of each shaft in a six bit digital code. The mechanism comprises a six bit slotted gray code disc...
3833901 MAGNETIC COMPASS HAVING REMOTE DIGITAL READOUT  
A magnetic compass having a code disk disposed for rotation in accordance with compass position and which is electro-optically sensed to provide electrical output indications of compass position. A...
3824587 DUAL MODE ANGLE ENCODER  
An angle encoder for selectively providing from a single rotatable code element an output indication of the angular position of the rotatable element and of angular deviation and sense with respect...
3772503 COURSE DIFFERENCE LOGIC FOR USE WITH DIGITAL MAGNETIC COMPASS  
Logic circuitry for use with a digital compass for providing an output indication of the difference between an actual and an intended course. Digital signals provided by a digital compass are...
3731301 METHODS OF DETECTING ROTATION SPEED  
Apparatus, preferably fluidic, for providing a control signal indicative of any deviation of the speed of movement of a jet engine or other moving object from a desired speed, comprising a code...
3729728 CAPACITIVE SWITCHING DEVICE  
A capacitive switching device including a driven element with at least one active, conductive driven sector connected to a source of alternating voltage, a receptor element with at least one...
3683368 DIGITAL ENCODING TRANSDUCER  
A digital encoding transducer for measuring the angular position of a plurality of rotatable shafts which form a part of a gear type register or counter. A digital encoding transducer which...
3680079 APPARATUS FOR PROVIDING CONVERSION BETWEEN ANALOG AND DIGITAL VALUES  
This invention relates to an encoder or converter which provides a conversion between analog and digital values of a functional relationship between two independent variables. For example, the...
3675235 READ-OUT CIRCUITS FOR ELECTRICAL POSITION-ENCODERS  
A read-out circuit for a digital position encoder which reads directly in, say, a reflected binary code, and which is required to read in, say, a decimalized binary code. The direct read-out...
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