05528304 is referenced by 274 patents and cites 12 patents.

A television receiver has a main, or regular, display; a picture-in-picture display; and an on-screen menu display for adjusting various television operating parameters, including those which are channel or source related, such as channel labeling, source labeling and on-screen program guide operation. When a channel or source related menu is displayed for operation on channel or source related functions, the channel or source operated upon is displayed in the picture-in-picture display and the main display may be blanked to present a more legible background for the menu.

Title
Picture-in-picture feedback for channel related features
Application Number
8/278784
Publication Number
5528304
Application Date
July 22, 1994
Publication Date
June 18, 1996
Inventor
Kevin J Gaughan
Arlington Heights
IL, US
Sol M Cherrick
Chicago
IL, US
Agent
Roland W Norris
Assignee
Zenith Electronics
IL, US
IPC
H04N 5/445
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