Parallel propagating embedded binary sequence for parameterizing two dimensional image domain code patterns in two dimensional address space
OF THE INVENTION While the invention is described in some detail hereinbelow with reference to certain illustrated embodiments, it is to be understood that it is not limited to those embodiments. On ... Read More
Inventors: Hecht, David L.;, Assignee: Xerox Corporation (Stamford, CT) |
Marking engine and method to optimize tone levels in a digital output system
In accordance with the present invention, a halftone cell configuration of a plurality of output pixels has optimal tone level gradations. The halftone cell comprises output pixel patterns correspondi... Read More
Inventors: Crean, Peter A.; Maltz, Martin S.;, Assignee: Xerox Corporation (Stamford, CT) |
Multi-level error diffusion apparatus and method of using same
A multi-level error diffusion system includes a processor that creates an m by n super pixel cell as an output pixel value for individual ones of a plurality of single input pixel values that are indi... Read More
Inventors: Doron, Amir;, Assignee: Hewlett-Packard Development Company, L.P. (Houston, TX) |
Image recording apparatus
To overcome the abovementioned drawbacks in conventional image-recording apparatus, it is an object of the present invention to provide image-recording apparatus, in which a processing time is shorten... Read More
Inventors: Sugaya, Toyoaki; Miyamoto, Fujio; Tsutsumi, Takashi; Maekawara, Minoru; Hiramoto, Kenichiro;, Assignee: Konica Corporation (JP) |
Audio and video telecommunication system with remote monitoring function and remote device control function
The prevent invention overcomes the deficiencies of the foregoing prior art systems by providing, as a first objective, a compact, simple, and economical video conversation/monitoring system which per... Read More
Inventors: Ishida, Kiyoshi; Torii, Nobuyoshi; Watanabe, Toshio; Yamada, Takehiko; Kidokoro, Masato; Ebihara, Toru; Nakao, Atsuko; Matsuda, Tokusou; Matsuyama, Nobuyuki; Aramaki, Tooru;, Assignee: Hitachi Ltd. (Tokyo, JP) |
Television receiver that controls display contrast based on the type of videos being displayed
It is, therefore, an object of the present invention to provide a television receiver capable of eliminating the problem described above by selecting whether the contrast control should be executed on... Read More
Inventors: Sumiyoshi, Hajime; Namikawa, Takeshi;, Assignee: Kabushiki Kaisha Toshiba (Kawasaki, JP) |
Apparatus and method for automatically adjusting frequency and phase of pixel sampling in a video display
In view of the foregoing deficiencies of prior art video displays, the present invention provides an apparatus and method for automatically adjusting the pixel sampling clock frequency and phase to ma... Read More
Inventors: Cappels, Sr., Richard D.;, Assignee: Apple Computer, Inc. (Cupertino, CA) |
Architecture with centralized single memory for the transfer of video images
The present invention relates to an architecture making it possible to store and transfer still or moving digital video images, the said architecture comprising at least one input circuit allowing acc... Read More
Inventors: Bourre, Thierry; Labranche, Patrick; Rebiai, Mohamed; Bruhat, Patrice;, Assignee: Thomson Broadcast Systems (Cergy-Saint-Christophe, FR) |
White balance controller for an image pick-up apparatus including an abnormality detector
It is therefore an object of the present invention is to provide a white balance controller for establishing a suitable range for white extraction by combining information about saturation of an objec... Read More
Inventors: Takagi, Yasushi; Imaide, Takuya;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
System for controlling the display of data related to the status of input data including prevention of status data updates if the speed at which data is input exceeds an established limit
What is claimed is: 1. A text editing device comprising input means for inputting character data, represent means for representing characters in response to the inputted data, input position designate... Read More
Inventors: Toshiyuki, Sakai;, Assignee: Brother Kogyo Kabushiki Kaisha (Aichi, JP) |
Method and apparatus for three-dimensional testing of printed circuitboards
The object of the present invention is to provide methods with which the structures of printed circuit boards can be automatically checked in the microscopic and macroscopic domains and without the di... Read More
Inventors: Doemens, Guenter; Schneider, Richard;, Assignee: Siemens Aktiengesellschaft (Berlin and Munich, DE) |
Method for shape detection and apparatus therefor
OF THE PREFERRED EMBODIMENTS Referring to FIGS. 1 to 3, the shape detection apparatus in an embodiment according to the present invention generally includes means (not shown) for projecting light bea... Read More
Inventors: Yoshimura, Kazunari; Nakamura, Kuninori;, Assignee: Matsushita Electric Works, Ltd. (Osaka, JP) |
Method for inspecting solder paste in printed circuit board manufacture
With the foregoing background in mind, it is an object of the invention to provide a reliable way of detecting faulty solder paste for connecting electronic components to printed circuit boards. Anoth... Read More
Inventors: Wasserman, Harold;, Assignee: Teradyne, Inc. (Boston, MA) |
Non contact measuring method for three dimensional micro pattern in measuring object
The present invention is directed to overcome the drawbacks and problems as set forth above. It is an object of the present invention to provide a non-contacting measuring method for three dimensional... Read More
Inventors: Pahk, Heui Jae; Cho, Sung Wook; Ahn, Woo Jung;, Assignee: Pahk; Heui Jae (Seoul, KR); Cho; Sung Wook (Incheon, KR) |
Wire and seal profile analyzer
This invention is a device for inspecting wires to determine selected characteristics of the wire such as an amount of insulation that has been removed, the condition of the exposed conductive portion... Read More
Inventors: Ngo, Kiet;, Assignee: OES, Inc. (London, CA) |
Apparatus method for testing opening state for hole in semiconductor device
The present invention is accomplished to solve the above-mentioned problems. Therefore, an object of the present invention is to provide a method for testing an opening state of a hole in a process of... Read More
Inventors: Nakamura, Toyokazu;, Assignee: NEC Corporation (Tokyo, JP) |
Noise reduction system for color television signal
According to one feature of this invention, there is provided a noise reduction system for a color television video signal comprising a memory for storing a first one frame portion of said video signa... Read More
Inventors: Ito, Yutaka; Yajima, Kazuo; Iwanaga, Yoshiteru; Takahashi, Hiroshi; Inaba, Masao;, Assignee: Tokyo Broadcasting System Inc. (Tokyo, JP); Nippon Electric Co., Ltd. (Tokyo, JP) |
Frequency converter for a digital chrominance modulator
It is an object of the present invention to provide a frequency converter circuit for converting color signals converted from Hi-Vision RGB signals into a carrier chrominance signal in accordance with... Read More
Inventors: Shioda, Takehiko;, Assignee: Pioneer Electronic Corporation (Tokyo, JP) |
Method and apparatus for video signal interpolation and progressive scan conversion
FIG. 1 shows scanned pixels in the vertical-temporal (v, t) plane. The small circles mark the pixels of the interlace input signal, for example 625/50/2:1 (i.e., 625 lines per frame, 50 fields per se... Read More
Inventors: Correa, Carlos; Stolte, John;, Assignee: Deutsche Thomson-Brandt GmbH (Villingen-Schwenningen, DE) |
Method for electronic image dynamic range and contrast modification
Image luminance first is separated into high and low frequency components. The low frequency component is processed through mathematical operators, processing elements, whose variable values can be se... Read More
Inventors: Hickman, Charles B.;, Assignee: |
Video signal processing apparatus for videotape recorder/reproducer capable of effecting vertical (and horizontal) emphasis and deemphasis on chrominance signals
In view of the aforesaid problems of the conventional video tape recorder/reproducer, it is an object of the present invention to provide a video signal processing apparatus having a simple circuit ar... Read More
Inventors: Sakamoto, Etsurou; Takashima, Masatoshi;, Assignee: Sony Corporation (Tokyo, JP) |
Multi-format digital image pickup apparatus
OF THE PREFERRED EMBODIMENTS FIG. 1 is a diagram of an image pickup apparatus according to the first embodiment of the present invention. The image pickup apparatus includes means to designate a lens... Read More
Inventors: Iura, Noriyuki; Imaide, Takuya; Kinugasa, Toshiro;, Assignee: Hitaci, Ltd. (Tokyo, JP) |
Image pickup apparatus
The present invention has been made to solve the above-mentioned problems, and has as its first object to provide an image pickup apparatus, which can precisely and stably set a distance measurement f... Read More
Inventors: Tanaka, Taeko; Kaneda, Kitahiro;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
Visible light and near infrared imaging device
What is claimed is: 1. An imaging device comprising: an addressing means; an array of optoelectronic semiconductor elements selectively connected to the addressing means; a multiplexer connected to th... Read More
Inventors: McCormack, Kent; Robinson, James E.; Knight, Jr., William M.; Dudley, Dana;, Assignee: Texas Instruments Incorporated (Dallas, TX) |
Noise reduction system for color television signal
What is claimed is: 1. A noise reduction system for reducing noise contained in a television video signal, said system comprising: memory means for storing the video signal for a period substantially ... Read More
Inventors: Takahashi, Hiroshi;, Assignee: Nippon Electric Co., Ltd. (Tokyo, JP) |
Video level control
According to the present invention there is provided a digital video coder comprising a video input for receiving analogue video signals from a camera; an analog-to-digital converter connected to the ... Read More
Inventors: Azam, Mohammad S.; Carr, Michael D.;, Assignee: British Telecommunications plc (London, GB2) |
Ghost cancelling system that cancels ghosts from video signals with a transversal filter
Accordingly, it is an object of the present invention to provide an improved ghost cancelling system which reduces the flickering low band fluctuation caused by the noise signals which are added to th... Read More
Inventors: Iga, Hiroyuki;, Assignee: Kabushiki Kaisha Toshiba (Kawasaki, JP) |
Appliance and method of using same having a send capability for stored data
OF THE PREFERRED EMBODIMENT While the invention is susceptible to various modifications and alternative forms, a specific embodiment thereof is shown by way of example in the drawings and will herein... Read More
Inventors: Dow, James C.; Dalton, Dan L.; Rudd, Michael L.; Ruffatto, Karin C.; Smith, Kevin N.; Formosa, Daniel; Nieves, Sandra; Hamburger, Paul; DeVries, Michael J.; Shepard, Nancy;, Assignee: Hewlett-Packard Company (Palo Alto, CA) |
Noise suppression circuit for a video signal
What is claimed is: 1. A noise suppression circuit for a video signal, comprising a delay circuit having a time delay of substantially one field period and a combining circuit in which an output signa... Read More
Inventors: Raven, Johannes G.;, Assignee: U.S. Philips Corporation (New York, NY) |
Dual band progressive television system with noise reduction
The video noise reduction system 10 of FIG. 1 reduces noise of luminance signals by subjecting high frequency luminance signal components to coring and subjecting low frequency luminance signal compo... Read More
Inventors: Christopher, Todd J.;, Assignee: Thomson Consumer Electronics, Inc. (Indianapolis, IN) |
Image Analysis 
