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| Patent # | Description |
|---|---|
| US-5,870,513 |
Bidirectional cable network with a mixing tap for suppressing
undesirable noise in signals from a remote end of... Noise energy and other undesirable signals are suppressed in a return frequency band of a return path of a bidirection cable network. Data signals in a third... |
| US-5,870,512 |
Optimized interferometrically modulated array source An improved interferometric modulator permits the reduction in size of optical transmitters. In one embodiment, the optical modulator includes amplifiers or... |
| US-5,870,511 |
Fiber optic temperature sensor A fiber optic temperature sensor uses a light source which transmits light through an optical fiber to a sensor head at the opposite end of the optical fiber... |
| US-5,870,510 |
Parallel propagating embedded binary sequences for parameterizing two
dimensional image domain code patterns in... A code pattern such as a self-clocking glyph code pattern is parameterized in at least three dimensions by parallel propagating, unique numeric sequences. |
| US-5,870,509 |
Texture coordinate alignment system and method A texture coordinate alignment system and method are described for use in a texture mapping system. Correction is made for quantization error in texture... |
| US-5,870,508 |
Automically aligning image data in an image processing apparatus An automatic image data aligning technique for an image processing apparatus, such as a facsimile machine including the steps of assigning coordinates... |
| US-5,870,507 |
Rigidity checking method and apparatus with the result freed from the
influence of picture resolutions A rigidity checking method and apparatus is presented. A composite feature vector is first generated by combining three pairs of coordinates obtained for a... |
| US-5,870,505 |
Method and apparatus for pixel level luminance adjustment A method for adjusting the luminance IM.sub.HI of pixels in a high resolution image includes first forming a low resolution image of the original by grouping... |
| US-5,870,504 |
High speed outline smoothing method and apparatus including the
operation of shifting bits of the current,... OCR processing involves: acquisition of images from image capturing devices; determination of location/size/style for each character; normalization; smoothing... |
| US-5,870,503 |
Image processing apparatus using error diffusion technique An 8-bit input image data value has its range adjusted by an image range conversion lookup table and is converted into a 4-bit dither image data value f2 with a... |
| US-5,870,502 |
System and method for a multiresolution transform of digital image
information Digital image data is encoded and compressed by a technique which combines the advantages of both wavelet and fractal encoding. The technique produces an encoded... |
| US-5,870,501 |
Method and apparatus for encoding a contour image in a video signal A contour image coding method divides a video frame into a multiplicity of blocks and detects contour blocks and determines a plurality of vertices on each... |
| US-5,870,500 |
Method for processing data in matrix arrays in a motion estimation system A method of processing data in matrix arrays in a motion estimation system is characterized in that each array (803, 804) performing a calculation of distortion... |
| US-5,870,499 |
Method and apparatus for data hiding in images A method of hiding a pattern in a host image increases and decreases parameter values at randomly selected host image locations assigned to respective first and... |
| US-5,870,498 |
Method of processing image data for transmission, and use of this process Image data representing successive original images is prepared for transmission by comparing the characteristics of an image data portion associated with each... |
| US-5,870,497 |
Decoder for compressed video signals A decoder for compressed video signals comprises a central processing unit (CPU), a dynamic random access memory (DRAM) controller, a variable length code (VLC)... |
| US-5,870,495 |
Fuzzy method and device for the recognition of geometric shapes in images A method for recognizing geometric shapes in an image using fuzzy logic. The method includes determining an edge in the image and a gradient of the edge. The... |
| US-5,870,494 |
Method for determining orientation of contour line segment in local area
and for determining straight line and... A method for determining an orientation of a line segment in a contour in a local area of a binary contour image. The number of pixels having a predetermined... |
| US-5,870,493 |
Top down preprocessor for a machine vision system An image recognition and classification system includes a preprocessor in which a "top-down" method is used to extract features from an image; an associative... |
| US-5,870,492 |
Hand-written character entry apparatus An inscribed character is recognized with a device including a memory for storing signals representing the shapes of plural inscribed characters, a sensor for... |
| US-5,870,491 |
Image processing apparatus which controls processing conditions of an
image signal on detected features of the... In an image processing system an input image signal is processed to output a processed image signal. A first parameter relating to a first kind of ... |
| US-5,870,490 |
Apparatus for extracting pattern features An apparatus is presented for extracting configurational features of an object formed by a number of surfaces with a two-dimensional laser pattern. Changes in... |
| US-5,870,489 |
Ball detection method and apparatus for wire-bonded parts A method and apparatus for determining the position, size and/or shape of a ball formed on a pad of a semiconductor chip when a wire is bonded between the pad... |
| US-5,870,488 |
Method and apparatus for prealigning wafers in a wafer sorting system A wafer sorting system utilizing optical character recognition and optical "gate sensors" to determine the orientation of the wafers for prealigning. It is... |
| US-5,870,487 |
Method and apparatus for discriminting and counting documents A method and device for discriminating documents by comparing a scanned pattern retrieved from a first side of a test document with one or more stored master... |
| US-5,870,486 |
Method of inferring sensor attitude through multi-feature tracking A method for inferring precise sensor attitude information in a tracking sensor system begins with storing at a first time a reference image in a memory... |
| US-5,870,485 |
Computer visual display monitor with integral stereo speaker and
directional microphone and method for construction A high resolution computer visual display monitor employing a cathode ray tube (CRT) having a vertical aperture grill intended for personal computer systems and... |
| US-5,870,484 |
Loudspeaker array with signal dependent radiation pattern This invention features a sound reproduction system in which both signals of a stereo pair of signals are radiated with a directional radiation pattern having a... |
| US-5,870,483 |
Sound insulating cap for sound level meters A sound-insulating cap is designed for conventional microphones without EMI protection. In an environment where EMI is likely to affect the performance of a... |
| US-5,870,482 |
Miniature silicon condenser microphone Multiple embodiments of a solid state condenser transducer, and methods of manufacture, are disclosed. The transducer comprises a semi-conductor substrate... |
| US-5,870,481 |
Method and apparatus for localization enhancement in hearing aids A method and apparatus to enhance or improve the sound localization properties of hearing aids determines the interaural level differences required for... |
| US-5,870,480 |
Multichannel active matrix encoder and decoder with maximum lateral
separation A sound reproduction system for converting stereo signals on two input channels, which may have been directionally encoded from a four or five channel original... |
| US-5,870,479 |
Device for processing data packets The invention relates to a device (1) for processing data packets, comprising identification means (14) for identifying a data packet, processing means (11, 12)... |
| US-5,870,478 |
Modular exponentiation calculation apparatus and method In the modular exponentiation calculation apparatus of the present invention, a computer calculates a modular exponentiation C=M .sup.E modN (M,N: integral... |
| US-5,870,477 |
Enciphering/deciphering device and method, and encryption/decryption
communication system A plaintext file 41 is enciphered using a file key 44, to generate ciphertext 42. The file key 44 is enciphered using a secret key 47 and a management key 48,... |
| US-5,870,476 |
Process for pledging data for a secure data exchange protocol The process comprises a "pledging" step in which a debtor party transmits to a creditor party a data item which is the image of a pledged data item, and a... |
| US-5,870,475 |
Facilitating secure communications in a distribution network In a hybrid fiber-coax distribution network, communications between a central station and particular end stations are encrypted using a working key (WK) of a... |
| US-5,870,474 |
Method and apparatus for providing conditional access in
connection-oriented, interactive networks with a... A control system provides secure transmission of programs, including at least one of video, audio, and data, between a service provider and a customer's set top... |
| US-5,870,473 |
Electronic transfer system and method A system and method relating to secure communications in a communication network is disclosed. The invention uses sessions having limited duration to enable... |
| US-5,870,472 |
Dynamic relocation of the service data channel A method and apparatus for preventing unauthorized descrambling of cable programming includes selective relocation of the service data channel within the... |
| US-5,870,471 |
Authentication algorithms for video images A method of authenticating a video image created by a camera (V) or similar video device. The image is formed into a first 2-dimensional pixel array (A1) with... |
| US-5,870,470 |
Method and apparatus for encrypting long blocks using a short-block
encryption procedure A system for encrypting a plaintext block using a block encryption algorithm having a block size smaller than that of the plaintext block. The plaintext block is... |
| US-5,870,469 |
Method for testing the intactness of stored data in a processing
facility for sheet material such as bank notes... For testing the intactness of stored data, intact data corresponding to the data to be tested from a component of the processing facility in a certain operating... |
| US-5,870,468 |
Enhanced data privacy for portable computers A method and an apparatus for protecting selected files in a portable computer system. With this invention a user selects a set of riles on a hard disk of the... |
| US-5,870,467 |
Method and apparatus for data input/output management suitable for
protection of electronic writing data A data input/output management scheme suitable for protection of electronic writing data. Whether the data entered into the program is a protected data or not is... |
| US-5,870,466 |
T1 channel bank control process and apparatus A technique for powering telephone lines using an unbalance current source and current sink; and a technique for improving attenuation/frequency distribution and... |
| US-5,870,465 |
Telephony adapter system for providing a user with a virtual presence to
an office A telecommunications system which employs commodity simultaneous voice and data (SVD) modems to provide a user with a virtual presence to an office. A first... |
| US-5,870,464 |
Intelligent information routing system and method An intelligent information router system comprising a telephony controller coupled to a private branch exchange through a link interface. The telephony... |
| US-5,870,463 |
Answering telephone using three-party call service A method and apparatus for directly connecting an incoming telephone call to a user's telephone located at an external location when the user is not present with... |
| US-5,870,462 |
Method and system for controlling the operation of a telephone exchange
from a subscriber connection A method and a system for controlling the operation of a telephone exchange from a subscriber connection. A direct communication connection is established... |
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