System for converting the number of lines of a television signal

Details System for converting the number of lines of a television signal System for converting the number of lines of a television signal

1974-05-22

1976-07-20

Britton, Howard W.

Telegraphy

Systems

Simplex-reversing periodic

178DIG24, H04N 502

Patent

active

039707768

ABSTRACT:
A system for converting the number of lines of a television signal having interlaced frames each formed by signals of two adjacent fields, in which signals of each field of each frame are formed by sequentially weighting and combining line signals of the former and the latter of the two fields under the conditions that the order of lines is not reversed in the output frame and that the lines are not repeated in the same field.

REFERENCES:
patent: 3582543 (1971-06-01), Davies
patent: 3676585 (1972-07-01), Kaneko et al.
patent: 3810174 (1974-05-01), Heard
patent: 3830971 (1974-08-01), VAN DE Polder
Control System of Television Standard Conversion, Oki Rev (Japan) vol. 39, No. 1, Demizu et. al. pp. 47-62.
Full Screen TV Standards Converter, Davies, Wireless World Jan. 1969, pp. 8-10.

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