On-screen display apparatus and on-screen display method

Details On-screen display apparatus and on-screen display method On-screen display apparatus and on-screen display method

1995-09-28

1997-04-22

Hsia, Sherrie

Television

Basic receiver with additional function

For display of additional information

348589, 348511, H04N 550

Patent

active

056233167

ABSTRACT:
In an on screen display apparatus and an on-screen display method, the number of scanning lines of an input signal is detected. In accordance with the result of the detection, a vertical dot number of a character to be displayed is determined and font data is read from a memory device after adjusting a dot number of a blank portion of the font data. Hence, even if the number of the scanning lines changes, the number and positions of characters displayed in one screen remain constant.

REFERENCES:
patent: 5396297 (1995-03-01), Shindou
"Information/Acoustic/Visual IC", Fujitsu Semiconductor Device Data Book, (DB52-00931-1), pp. 929-939 (1993).
"Information/Acoustic/Visual IC", Fujitsu Semiconductor Device Data Book, (DB52-00931-1), pp. 951-984 (1993).

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