Method and system for communicating pulse width in a night...

Details Method and system for communicating pulse width in a night... Method and system for communicating pulse width in a night...

2007-11-27

2007-11-27

Vu, Bao Q. (Department: 2838)

Radiant energy

Infrared-to-visible imaging

C250S2140VT, C359S815000, C359S407000

Reexamination Certificate

active

11259462

ABSTRACT:
A night vision system including a power system having a low voltage unit coupled to a high voltage unit. The low voltage unit includes a low voltage controller and a low voltage table correlating step values to pulse widths, the low voltage controller obtaining a desired pulse width and accessing the table to obtain a step value. The high voltage unit including an opto-isolator for receiving the step value from the low voltage controller, a high voltage controller response to the step value accessing a high voltage table correlating step values to pulse width to obtain a pulse width, the high voltage controller generating a control pulse in response to the pulse width.

REFERENCES:
patent: 4924080 (1990-05-01), Caserta et al.
patent: 5883381 (1999-03-01), Saldana
patent: 6087660 (2000-07-01), Morris et al.
patent: 6140574 (2000-10-01), Snyder
patent: 6488390 (2002-12-01), Lebens et al.

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