Floating driving circuit

Details Floating driving circuit Floating driving circuit

2006-06-12

2011-10-25

Ismail, Shawki (Department: 2819)

Electronic digital logic circuitry

Interface

Current driving

C326S086000, C326S087000, C327S108000, C327S109000

Reexamination Certificate

active

08044685

ABSTRACT:
A floating driving circuit according to the present invention comprises an input circuit to receive an input signal. A latch circuit receives a trigger signal for generating a latch signal. The latch signal is used to turn on/off a switch. A coupling capacitor is connected between the input circuit and the latch circuit to generate the trigger signal in response to the input signal. A diode is connected from a voltage source to a floating supply terminal of the latch circuit for charging a capacitor. The capacitor is coupled between the floating supply terminal and a floating ground terminal of the latch circuit to provide a supply voltage to the latch circuit. The latch circuit is controlled by the input signal via the coupling capacitor.

REFERENCES:
patent: 5381044 (1995-01-01), Zisa et al.
patent: 5638025 (1997-06-01), Johnson
patent: 5672992 (1997-09-01), Nadd
patent: 6344959 (2002-02-01), Milazzo
patent: 6646469 (2003-11-01), Yushan
patent: 6781422 (2004-08-01), Yang
patent: 6836173 (2004-12-01), Yang
patent: 7123508 (2006-10-01), Horch et al.

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