Self-directing bus amplifier and method

Details Self-directing bus amplifier and method Self-directing bus amplifier and method

2007-10-30

2007-10-30

Ye, Lin (Department: 2622)

Television

Image signal processing circuitry specific to television

Switching

C348S211110, C348S707000, C330S051000, C370S402000, C370S362000

Reexamination Certificate

active

10775610

ABSTRACT:
A self-directing bus amplifier and method is disclosed, which includes an input biased at a given voltage level and a tri-state amplifier with a first input terminal coupled to the biased input and an output coupled to an output bus. A field effect transistor with a gate terminal coupled to the biased input and a source terminal coupled to ground potential with a drain terminal coupled to an inhibiting input of the tri-state amplifier. The drain terminal of the field effect transistor is biased, such that when a signal is present on the input the field effect transistor turns OFF, which enables the tri-state amplifier so that the signal is passed through to the output bus.

REFERENCES:
patent: 5086427 (1992-02-01), Whittaker et al.
patent: 5418935 (1995-05-01), Whittaker et al.
patent: 6556075 (2003-04-01), Jordan
patent: 7068073 (2006-06-01), Benson
patent: 2004/0228475 (2004-11-01), Scott et al.
patent: 2006/0012411 (2006-01-01), De Langen

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