Method of controlling first items that require prior CRT display

Details Method of controlling first items that require prior CRT display Method of controlling first items that require prior CRT display

1992-04-29

1994-02-08

Powell, Mark R.

Television

Basic receiver with additional function

For display of additional information

348734, 348725, H04N 544, H04N 5445

Patent

active

052852857

ABSTRACT:
Items related to the quality of an on-screen image such as brightness, sharpness, chroma, etc. and items related to the audio quality such as bass, treble, balance, etc. in a CRT display, such as a television receiver, are subject to adjustment by a user. These items are originally classified into those in a first class and those in a second class in accordance with the nature of a respective item, that is, whether a user must know the current analog value of the item before he or she adjusts it. When an instruction is input through user's manipulation to adjust the analog value of an item to be controlled, the system determines whether the item belongs to the first class or the second class. If it belongs to the first class, the system first confirms that the item and its actual analog value are displayed on a screen, then permits adjustment of the analog value in response to the instruction, and then displays a new analog value. If it belongs to the second class, the system permits immediate adjustment of its analog value and displays a new analog value.

REFERENCES:
patent: 4270145 (1981-05-01), Farina
patent: 4340908 (1982-07-01), Wakabayashi
patent: 4626892 (1986-12-01), Nortrup
patent: 4907082 (1990-03-01), Richards
patent: 5103313 (1992-04-01), Chan

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