Apparatus for receiving character multiplex broadcasting

Details Apparatus for receiving character multiplex broadcasting Apparatus for receiving character multiplex broadcasting

1989-05-19

1991-04-23

Shepperd, John W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358183, H04N 7087

Patent

active

050104063

ABSTRACT:
A character multiplex broadcasting receiving apparatus is provided for reducing and displaying a plurality of character figure images including header information and text information. In the invention, to simultaneously display a plurality of character figure images, division signals are formed from a horizontal pulse, a vertical pulse, and a clock pulse (chrominance subcarrier frequency f.sub.sc .times.4) to designate areas on the CRT. Either and animation image (television image) or a character image to display character figure information is designated for each divided picture plane and a plurality of character figure images are simultaneously displayed.

REFERENCES:
patent: 3532806 (1970-10-01), Wicklund
patent: 4228433 (1980-10-01), Matsumoto
patent: 4891705 (1990-01-01), Suzuki et al.
patent: 4954882 (1990-09-01), Kamemoto
"Display Refresh Mechanism Employing Multisegmental Buffer"; Cummins et al.; IBM Technical Disclosure Bulletin; vol. 18, No. 10, Mar. 1976, pp. 3392-3396.
"Character Display System for a High Resolution CRT Display", Sonoda; IBM Technical Disclosure Bulletin; vol. 25, No. 7A; Dec. 1982, pp. 3175-3176.

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