Night vision scope with improved voltage supply

Details Night vision scope with improved voltage supply Night vision scope with improved voltage supply

1990-10-03

1992-07-14

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

313532, H01J 3150

Patent

active

051305275

ABSTRACT:
A night vision scope which includes an improved voltage supply. A battery generates a voltage which is proportionally increased by a voltage step-up circuit to provide a voltage to an image intensifier and an infrared light source of the night vision scope. The voltage supply includes circuitry for limiting the voltage output of the voltage supply circuit if a battery is used which generates a voltage greater than that required by the elements of the night vision scope.

REFERENCES:
patent: 4629881 (1986-12-01), Fairbend et al.
patent: 4734573 (1988-03-01), Dill
patent: 4755725 (1988-07-01), Kastendieck et al.
Walker, A., "Eyes In The Dark Night Vision In A New Light," ICA, Jul., 1989, pp. 54-61.
Brochure entitled "Low Voltage Step-Up DC-DC Converters," by Maxim Technologies, pp. 1-6, Mar. 1989.
Brochure entitled "Low Voltage Step-Up Converters," by Maxim Technologies, pp. 1-8, Mar. 1989.

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