Time multiplexing chrominance information for compatible high-de

Details Time multiplexing chrominance information for compatible high-de Time multiplexing chrominance information for compatible high-de

1984-01-16

1986-12-16

Shepperd, John W.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 11, H04N 1106

Patent

active

046300996

ABSTRACT:
A television system having a fully compatible high-definition signal receivable at conventional resolution by conventional TV receivers and which is transmitted to the TV receivers by one TV channel carrying the conventional signal and a second TV channel carrying the high-frequency luminance and chrominance information. The high-frequency chrominance information is time compressed and transmitted during the horizontal retrace interval of the second TV channel. The baseband signal containing the high-frequency luminance components is derived from the lower sideband output of a product modulator whose inputs are taken from an anti-alias filtered (camera) source of wideband luminance information and a local oscillator. The phase of the local oscillator is transmitted to the TV receivers by a tone burst signal gated into the vertical retrace interval of the second channel. The high-frequency chrominance information comprises Q' and I' segments which are transmitted at alternate horizontal retrace intervals. The television receivers comprise memories which alternately store the transmitted Q' and I' segments. The storage of the received segments is done at a higher rate than the accessing of these segments thus a time expansion operation is performed by the memories. In addition, since the segments are alternately transmitted, a storage mechanism is provided so that a segment received on a previous horizontal horizontal line's active time for displaying both Q' and I' information.

REFERENCES:
patent: 2686831 (1954-08-01), Dome
patent: 3617626 (1969-11-01), Bluth
patent: 4084181 (1978-04-01), Mita et al.
patent: 4296431 (1981-10-01), Holland
patent: 4300161 (1981-11-01), Haskell
patent: 4476484 (1984-10-01), Haskell
patent: 4485401 (1984-11-01), Tan et al.
patent: 4521803 (1985-06-01), Gittinger
patent: 4567508 (1986-01-01), Hulyer
patent: 4581640 (1986-04-01), Cole
"Signal Processing for Compatible HDTV--Systems, First Results," B. Wendland, Universitat Dortmund, HDTV Colloquim sponsored by Canadian Government, Ottawa, Canada, Oct. 18-21, 1982, pp. 2.3-1-2.3-10.
T. S. Rzeszewski, "A Compatible High-Definition Television System", Bell System Technical Journal, vol. 62, No. 7, Sep. 1983, pp. 2091-2111.
"Networking Aspects of High Definition Television," Arpad G. Toth, Bell--Northern Research, HDTV Colloqium sponsored by Canadian Government, Ottawa, Canada, Oct. 18-21, 1982, pp. 2.1-1-2.1-13.
B. P. Lathi, "Modern Digital and Analog Communications Systems", Hoh, Rinehart and Winston, 1983, p. 224.
"Compatibility Aspects of HDTV," Kerns, H. Powers, RCA Laboratories, HDTV Colloquium sponsored by Canadian Government, Ottawa, Canada, Oct. 18-21, 1982, pp. 1.6-1-1.6-1.7.
M. Schwartz, "Information, Transmission, Modulation, and Noise", McGraw-Hill, 1980, pp. 244-250.
Roddy & Coolen, Electronic Communications, 2nd Edition, Reston Publishing Co., pp. 572-610.
"Universal Weighted Power Function of Television Noise and its Application to High Definition TV System Design," T. Fujio, SMPTE Journal, Vol. 89, No. 9, Sep., 1980.
G. M. Miller, "Modern Electronic Communication", 2nd Edition, Prentice-Hall, pp. 220-259.
"Transmission Primaries and Signal Forms," by T. Fujio and K. Kupota, NHK Technical Monograph No. 32, Jun. 1982.
"Compatible Systems for High-Quality Television", SMPTE J., R. N. Jackson and M. J. J. C. Annegarn, vol. 92, No. 7, pp. 719-723, Jul. 1983.
"Extended Definition Television with High Picture Quality", SMPTE J., B. Wendland, vol. 92, No. 10, pp. 1028-1035, Oct. 1983.
"Towards the Implementation of a Compatible HDTV System in North America," by C. W. Rhodes, High Definition TV Colloquium Post Conference Proceedings 1982, Ottawa, Ontario, Canada, Oct. 18-21, 1982, p. 1.5.
"The Problems and Promises of High-Definition Television", IEEE Spectrum, R. K. Jurgen, vol. 20, No. 12, pp. 46-51, Dec. 1983.
"An Evolutionary Approach to High Definition Television", in Proc. 16th Annual SMPTE Television Conference (Tomorrow's Television), C. W. Rhodes, pp. 186-197, Feb. 1982.
"A Compatible High Fidelity TV Standard for Satellite Broadcasting", in Proc. 16th Annual SMPTE Television Conference (Tomorrow's Television), T. W. Robson, pp. 218-236, Feb. 1982.
"High Definition Television Systems: Desirable Standards, Signal Forms, and Transmission Systems", IEEE Trans. Comm., T. Fujio, vol. COM-29, No. 12, pp. 1882-1890, Dec. 1981.
"A Study of High-Definition TV System in the Future", T. Fujio, IEEE Trans. on Brdcstg. 12/78, vol. BC-24, No. 4, pp. 92-100.
"Present Situation of Japanese Satellite Broadcasting for Experimental Purpose", T. Ishida et al., IEEE Trans. on Brdcstg., 12/79, vol. BC-25, No. 4, pp. 105-112.
"A Universal Weighted Power Function of Television Noise & Its Application to High Definition TV System Design", T. Fujio, IEEE Trans. on Brdcstg., 6/80, vol. BC-26, No. 2, pp. 39-47.
"High-Definition Wide-Screen Television System for the Future-Present State of the Study of HD-TV Systems in Japan", T. Fujio, IEEE Trans. on Brdcstg., 12/80, vol. BC-26, No. 4, pp. 113-124.
"The Future of High-Definition Television: First Portion of a Report of the SMPTE Study Group on High-Definition Television", Donald G. Fink, SMPTE Journal, 2/80, vol. 89, No. 2, pp. 89-94.
"The Future of High-Definition Television: Conclusion of a Report of the SMPTE Study Group on High-Definition Television", Donald G. Fink, SMPTE Journal, 3/80, vol. 89, No. 3, pp. 153-161.
"High-Definition Television System-Signal Standard and Transmission", T. Fujio, et al., SMPTE Journal, 8/80, vol. 89, No. 8, pp. 579-584.
Fibre Optic Analogue Transmission Experiment for High-Definition Television Signals Using Semiconductor Laser Diodes, Electronics Letters, Jul. 3, 1980, vol. 16, No. 14, pp. 536-538.
"Research and Development on High-Definition Television in Japan", K. Hayashi, SMPTE Journal, Mar. 1981, vol. 90, No. 3, pp. 178-186.
"Magnetic Recording of a High-Definition Television Signal", H. Abe, A. Nagura, H. Katayama, and H. Shibaya, SMPTE Journal, vol. 90, No. 3, Mar. 1981, pp. 192-195.
"High-Definition Television System-Signal Standards and Transmission", T. Fujio, et al., IBC 80 International Broadcasting Convention, Brighton UK, Sep. 20-23, 1980, pp. 14-18.
"Development Options for Future Television Systems", Prof. B. Wendland, HDTV Committee Minutes sponsored by SMPTE.
"High-Definition Television and Compatibility with Existing Standards", C. P. Sandbank and M. E. B. Moffat, Tomorrow's Television Conference, Nashville, Tennessee, Feb. 5-6, 1982.
"High-Definition Television Studies on Compatible Basis with Present Standards", Seminar 1982 sponsored by Department of Communication at University of Dortmund, West Germany, submitted by Prof. B. Wendland.
"Transients in Color Television", P. W. Howells, Proceedings of I-R-E, Jan. 1954, pp. 212-220.
"Transition Effects in Compatible Color Television", J. B. Chatten, Proceedings of the I-R-E, Jan. 1954, pp. 221-227.
"Reproduction of Luminance Detail by NTSC Color Television Systems", D. C. Livingston, Proceedings of the I-R-E, Jan. 1954, pp. 228-234.
"Selected Papers from the Proceedings of the National Television System Committee and its Panels", edited by Donald J. Fink, Television Standards and Practice, 1943.
"Time Frequency Multiplexing (TFM) of Two NTSC Color TV Signals-Simulation Results", B. G. Haskell, Bell System Technical Journal, vol. 60, No. 5, May-Jun. 1981, pp. 643-660.
"The New Mark VIII Automatic Colour Cameria", W. T. Underhill, Principles of Video Processing, pp. 12-16.
"Time Compression Multiplexing of Multiple Television Signals in Satellite Channels Using Chirp Transform Processors", Kai Y. Eng, et al., No. 12, 12/81, pp. 1832-1840.

Affiliated with

Also associated with

Rating

Time multiplexing chrominance information for compatible high-de does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Time multiplexing chrominance information for compatible high-de, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Time multiplexing chrominance information for compatible high-de will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-248609