Apparatus for converting tele text data for display on a 16:9 as

Details Apparatus for converting tele text data for display on a 16:9 as Apparatus for converting tele text data for display on a 16:9 as

1993-12-30

1995-10-17

Kostak, Victor R.

Television

Format conversion

Conversion between standards with different aspect ratios

348468, 348556, 348564, H04N 701

Patent

active

054595215

ABSTRACT:
A teletext signal processing apparatus displays a teletext signal on a display screen at a predetermined aspect ratio. The teletext signal is stored in a memory and is written to and read from the memory at variable speeds. A control circuit commands the memory to operate and adjusts the reading speed with respect to the writing speed, so as to display the teletext signal at the specified aspect ratio.

REFERENCES:
patent: 4928182 (1990-05-01), Guerinot et al.
patent: 5170256 (1992-12-01), Tabata
Katsumata, et al. (1992) "Development of Picture Converting System Applying An NTSC Signal to A Wide Aspect Display," IEEE Transactions on Cosumer Electronics 38:303-311.
Patent Abstract of Japan, vol. 14, No. 408 (E-097), Sep. 4, 1990 & JP-A-02 152 381 (Sony Corp.) Jun. 12, 1990.
Kinghorn, J. R., (1992) "Enhanced On-Screen Displays for Simpler TV Control," IEEE Transactions on Cosumer Electronics 38:725-733.

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