Digital pulse generator phase-locked to color television video signals and means and method for thereby compensating for tape velocity timing errors
What is claimed is: 1. Method of compensating velocity errors in color television signals reproduced from oblique recording tracks on a magnetic tape, comprising, during reproduction of said signals, ... Read More
Inventors: Heitmann, Jurgen;, Assignee: Robert Bosch GmbH (Stuttgart, DE) |
Copy timing control circuit for double-deck video cassette recorder
The present invention generally aims to provide a copy timing control circuit capable of concurrently controlling a copy operation timing of one video deck by application of control signals supplied f... Read More
Inventors: Cho, Nam Y.;, Assignee: SamSung Electronics Co., Ltd. (Suwon, KR) |
Multiplex magnetic recording and reproduction system
It is an object of the present invention to provide a magnetic recording and reproduction system capable of multiplex audio signal recording without interfering with the video signal and having a comp... Read More
Inventors: Miura, Kuniaki; Okada, Yoshinori; Fukushima, Isao; Tamura, Teizo;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Method for recording and/or reproducing video and audio signals on a magnetic tape and a rotary cylinder arrangement therefor
The present invention has been developed in order to remove the above-described drawbacks inherent to the conventional and preproposed methods of recording video and audio signals on a magnetic tape. ... Read More
Inventors: Higurashi, Seiji;, Assignee: Victor Company of Japan, Ltd. (JP) |
Magnetic recording method and magnetic head
In accordance with the present invention, a magnetic recording method is provided in which desired information is recorded on a main track of a magnetic disk using a magnetic head. Subsequently, other... Read More
Inventors: Matsumoto, Takashi; Sato, Masamichi; Yoshida, Satoshi; Kato, Yoshiaki;, Assignee: Fuji Photo Film Co., Ltd. (Kanagawa, JP) |
Dual video signal simultaneous recording apparatus for a VCR
Therefore, an object of the present invention is to provide a dual video signal simultaneous recording apparatus which is capable of recording simultaneously two different source video signals on one ... Read More
Inventors: Park, Kwang S.;, Assignee: Goldstar Co., Ltd. (Seoul, KR) |
Reproduction apparatus having means for initializing flag memories during slow motion and freeze reproduction
We claim: 1. A method of reproducing recorded data which has been recorded on a recording medium, comprising the steps of: detecting the recorded data from the recording medium; generating a flag indi... Read More
Inventors: Koya, Toshiaki; Suesada, Kunio;, Assignee: Matsushita Electric Industrial Co., Ltd. (Osaka, JP) |
Digital signal recording system for recording digital signals on video tape
It is an object of the present invention to provide a digital signal recording system which increases picture data compression while maintaining a high quality picture. Therefore, in order to accompli... Read More
Inventors: Hwang, Seong-ha; Lee, Seong-do;, Assignee: Samsung Electronics Co., Ltd. (Kyunggi, KR) |
Method and apparatus for simultaneously recording two independent video signals
It is an object of the present invention to provide an improved method for recording and reproducing a color video signal which can remove the above-mentioned defects inherent in the prior-art method.... Read More
Inventors: Eguchi, Takeo;, Assignee: Sony Corporation (Tokyo, JP) |
Apparatus for enhancing collimation and improving collection efficiency from high aspect ratio linear energy sources
The present invention provides a coupling means for a high aspect ratio linear junction laser diode or other linear energy source which satisfies the aforementioned needs. A very small cylindrical or ... Read More
Inventors: Wallace, Robert E.;, Assignee: Varo Inc. (Garland, TX) |
Video signal recording and/or reproducing apparatus
Accordingly, it is a generally object of the present invention to provide a novel and useful video signal recording and/or reproducing apparatus in which the problems described heretofore are eliminat... Read More
Inventors: Matsuo, Yasutoshi;, Assignee: Victor Company of Japan, Ltd. (Yokohama, JP) |
Video tape recorder for recording/reproducing two-channel component color video signals
An object of the present invention is to provide a two-channel video tape recorder capable of recording and reproducing video signals in not only a standard mode but also in a long play mode. Another ... Read More
Inventors: Morioka, Yoshihiro; Kobayashi, Masaaki;, Assignee: Matsushita Electric Industrial Co., Ltd. (Osaka, JP) |
Apparatus for minimizing signal degradation during the copying of video signals from one recording medium to another recording medium
Accordingly, it is an object of the present invention to provide a dubbing apparatus which is capable of revising recording information at the time of dubbing, as necessary, thereby overcoming the dra... Read More
Inventors: Sato, Kouichi;, Assignee: Asahi Kogaku Kogyo Kabushiki Kaisha (Tokyo, JP) |
Facsimile data processing apparatus
Accordingly, it is an object of the present invention to provide a facsimile data processing apparatus in which the conversion time from image data into transmission code is reduced. Another object of... Read More
Inventors: Okimoto, Satoshi; Ohara, Kiyotaka; Seki, Takao; Kato, Hifumi;, Assignee: Brother Kogyo Kabushiki Kaisha (Nagoya, JP) |
System for detecting the position of a read-write head on a disk recording medium having servo sectors with three or more servo patterns
It is an object of the present invention to provide a disk recording medium of the embedded servo-system suitable for high-speed seek operation with a minimized increase of servo sector regions. It is... Read More
Inventors: Sugaya, Toshihiro;, Assignee: Tokyo Shibaura Denki Kabushiki Kaisha (Kawasaki, JP) |
Automatic radio frequency signal level control apparatus for a video cassette recorder
It is an object of the present invention to provide an automatic RF signal level control apparatus for a VCR which can compensate for the level difference between RF channel signals recorded or reprod... Read More
Inventors: Bhang, Joon W.;, Assignee: Goldstar Co., Ltd. (Seoul, KR) |
Universal signal processor and method of processing
Generally speaking, in accordance with the invention, a method for decoding and reconstructing a scrambled video signal is provided in which a scrambled video signal is received and the location of at... Read More
Inventors: Guralnick, Brian; Paterno, Greg;, Assignee: Jarque; Greg (Holbrook, NY) |
Method for preventing error speading while recording compressed image data
Accordingly, it is an object of the present invention to provide a compressed image data recording system, free from the aforementioned defects of the prior art, which is capable of preventing an erro... Read More
Inventors: Itoi, Satoshi;, Assignee: NEC Corporation (JP) |
Continuous speed control system for video tape recorder
OF THE ILLUSTRATED EMBODIMENT Video tape editing control systems for cassette helical scan video tape recorders are known. Such systems are capable, for example, of providing tape-to-tape editing by ... Read More
Inventors: Beeson, Gary H.; Bates, George W.;, Assignee: Convergence Corporation (Irvine, CA) |
Apparatus for threading magnetic tape from a single reel cartridge in a rotary head tape transport
According to the present invention, there is provided in a rotary head magnetic tape recorder, apparatus for threading magnetic tape from a single reel magnetic tape cartridge, which is reliable, cost... Read More
Inventors: Grant, Frederic F.; Piarulli, Vincent J.;, Assignee: Datatape Incorporated (Pasadena, CA) |
Method and apparatus for processing a video signal so as to prohibit the making of acceptable videotape recordings
It is an object of this invention to provide a method and apparatus for modifying a color video signal so that a conventional television receiver produces a normal color picture from the modified sign... Read More
Inventors: Ryan, John O.;, Assignee: Macrovision Corporation (Mountain View, CA) |
Video copy protection process enhancement to introduce horizontal and vertical picture distortions
In accordance with the present invention, the above-described prior art "basic" copy protection process is enhanced by further modifying the video signal in several ways to ensure that the necessary p... Read More
Inventors: Wonfor, Peter J.; Knox, Alistair J.; Corcoran, Jeremy J.; Ryan, John O.; Quan, Ronald;, Assignee: Macrovision Corporation (Sunnyvale, CA) |
Image information recording and reproducing system with aspect ration discrimination
It is, therefore, an object of the present invention to provide an image information processing apparatus and an image information processing system each of which makes it possible to solve the proble... Read More
Inventors: Makino, Jun; Takahashi, Koji;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
Data recording method in which pilot signal period coincides with cumulative bit disparities of insert data
It is hence a primary object of the present invention to present a method for superposing a pilot signal for tracking at the time of production so as not to disturb the judgement of whether a bit is 1... Read More
Inventors: Kawakami, Yasunori; Iketani, Akira; Ichikawa, Kei; Goto, Makoto; Isaka, Haruo;, Assignee: Matsushita Electric Industrial Co., Ltd. (Osaka, JP) |
Magnetic writing head for magneto-optical recording with thick protective coating
According to the invention, the magnetic head is produced on a silicon substrate, which makes it possible to use microelectronics technology and in particular a collective production, whilst bringing ... Read More
Inventors: Albertini, Jean Baptiste; Fedeli, Jean-Marc;, Assignee: Commissariat a l'Energie Atomique (Paris, FR) |
Method and apparatus for scrambling and descrambling of video signal with edge fill
OF THE INVENTION Scrambler Operation Throughout the description following, specified parameters ("eight-bit", "ten-bit", "0-909 counters" etc.) refer to the preferred embodiment of the invention in t... Read More
Inventors: Ryan, John O.; Quan, Ronald; Holzgrafe, James R.; Wonfor, Peter J.;, Assignee: Macrovision Corporation (Sunnyvale, CA) |
Storage retrieval system with pivoted holder frames
It is an object of the present invention to provide an improved article retrieval and storage system. Another object is to further the principles in the above-discussed copending applications. Yet ano... Read More
Inventors: Kochanneck, Uwe;, Assignee: |
Floppy disk storage-ejection system
Having described my invention in such terms as to enable those skilled in the art to understand and practice it and having identified the presently perferred embodiments and best mode thereof, I claim... Read More
Inventors: Florence, Robert A.;, Assignee: |
Device for storing and retrieving cassettes
The present invention provides a new and improved device for storing and retrieving cassettes which overcomes the limitations of the above described conventional device. More specifically the present ... Read More
Inventors: Teranishi, Shunichi;, Assignee: Aisin Sekik Kabushiki Kaisha (Aichi, JP) |
Stacker, especially for an offset plate transporter
It is therefore the primary object of the present invention to provide a stacker of the type mentioned above which is especially suited to stacking rigid printing plates, and in particular, rigid offs... Read More
Inventors: Maier, Willy;, Assignee: Daverio AG (Zurich, CH) |