Television – Basic receiver with additional function – For display of additional information
Patent
1992-09-10
1997-07-22
Metjahic, Safet
Television
Basic receiver with additional function
For display of additional information
348569, 348706, H04N 545, H04N 5445
Patent
active
056508271
ABSTRACT:
A display microcomputer displays a menu corresponding to several functions, such as picture-in-picture display and satellite broadcast reception on a mini-viewing screen that is part of the cathode-ray tube picture screen of a television receiver. A remote controller permits selection of different video and audio signal sources and, if the user selects sources that are incompatible or inconsistent, a system controller returns the menu to the condition prior to the incorrect selection. The system controller also controls a display microcomputer in such a way that items on the menu that are inhibited from selection are displayed in halftone. That is, if any inhibited item appears in the menu by a modification of the mode of operation, the display microcomputer is controlled so that the menu is returned to the condition prior to the selection and the inhibited item is displayed in halftone. For example, erroneous operation that would change the reproduced sound of a duplex sound channel while the user is watching a picture reproduced from a video tape recorder is prevented, because the set value for the duplex sound can not be varied by the user.
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Hayashi Toshihide
Tsumori Koki
Maioli Jay M.
Metjahic Safet
Sony Corporation
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