Cross-track distributor for video signals

Details Cross-track distributor for video signals Cross-track distributor for video signals

1980-05-06

1981-08-11

Pitts, Harold I.

Communications: electrical

Digital comparator systems

340166EL, H04Q 300

Patent

active

042837111

ABSTRACT:
Switching cross-points between input and output video lines each consist of a series connection of oppositely poled diodes to the common connection of which a resistor is connected through which forward current for both diodes is selectively provided through a random access memory (RAM) controlled from a remote location. In the switched-off condition the current drain is negligible, and in the switched-on condition it may be as little as 5 mmA. Low-capacitance diodes make possible the holding of cross-torque to very low levels.

REFERENCES:
patent: 3665220 (1972-05-01), Legler

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