Picture-in-picture television receiver control

Details Picture-in-picture television receiver control Picture-in-picture television receiver control

1988-12-21

1990-09-25

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

3581921, H04N 5262

Patent

active

049597191

ABSTRACT:
A television system with picture-in-picture capability in which a common control element can be used to control both the main picture and the picture-in-picture on the screen together with an indicating means displayable on the screens indicate which picture the common control element is capable of controlling at any time.

REFERENCES:
patent: 4620229 (1986-10-01), Amano et al.
patent: 4725888 (1988-02-01), Hakamada
patent: 4729027 (1988-03-01), Hakamada et al.
patent: 4746983 (1988-04-01), Hakamada
patent: 4761688 (1988-08-01), Hakamada
patent: 4774582 (1988-09-01), Hakamada et al.
patent: 4777531 (1988-10-01), Hakamada et al.
patent: 4821102 (1989-04-01), Ichikawa et al.
patent: 4845564 (1989-07-01), Hakamada et al.

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