Picture display device allowing separate selection and discernin

Details Picture display device allowing separate selection and discernin Picture display device allowing separate selection and discernin

1989-05-12

1990-08-14

Peng, John K.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358 22, 358181, 340734, H04N 5272, H04N 5268, H04N 974

Patent

active

049491792

ABSTRACT:
A plurality of main-screen function changeover switches (each formed in a shape corresponding to a shape of the main-screen during a picture-in-picture mode of operation) are for selecting a main-screen program from inputs from a plurality of picture reproducing means, and a plurality of sub-screen function changeover switches (each formed in a shape corresponding to a shape of the sub-screen during a picture-in-picture mode of operation) are for selecting a sub-screen program from inputs from a plurality of picture reproducing means, with the plurality of main-screen function changeover switches and the plurality of sub-screen function changeover switches being paired with one another to mimic the main-screen/sub-screen layout format, with each pair allowing selection of a program being produced by a different reproduction means. It is possible concurrently to discern and select the source of a main-screen program and sub-screen program by viewing individual indicators associated with each individual switch of the plurality of main- and sub-screen function changeover switches.

REFERENCES:
patent: 4392156 (1983-07-01), Duca et al.
patent: 4405946 (1983-09-01), Knight
patent: 4668999 (1987-05-01), De La Cierva, Sr. et al.
patent: 4694343 (1987-09-01), Flora
patent: 4845564 (1989-07-01), Hakamada et al.

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