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Title: Long lifetime, low intensity light source for use in nighttime viewing of equipment maps and other writings

Abstract

A long-lifetime light source with sufficiently low intensity to be used for reading a map or other writing at nighttime, while not obscuring the user's normal night vision is disclosed. This light source includes a diode electrically connected in series with a small power source and a lens properly positioned to focus at least a portion of the light produced by the diode. 1 fig.

Inventors:
;
Issue Date:
OSTI Identifier:
7146145
Patent Number(s):
4409643 A
Application Number:
PPN: US 6-360966
Assignee:
PTO; EDB-94-125608
DOE Contract Number:  
W-7405-ENG-48
Resource Type:
Patent
Resource Relation:
Patent File Date: 23 Mar 1982
Country of Publication:
United States
Language:
English
Subject:
45 MILITARY TECHNOLOGY, WEAPONRY, AND NATIONAL DEFENSE; LIGHT SOURCES; DESIGN; MILITARY EQUIPMENT; NIGHT SKY; POWER SUPPLIES; SEMICONDUCTOR DIODES; SERVICE LIFE; USES; ELECTRONIC EQUIPMENT; EQUIPMENT; LIFETIME; RADIATION SOURCES; SEMICONDUCTOR DEVICES; SKY; 450000* - Military Technology, Weaponry, & National Defense

Citation Formats

Frank, A M, and Edwards, W R. Long lifetime, low intensity light source for use in nighttime viewing of equipment maps and other writings. United States: N. p., 1983. Web.
Frank, A M, & Edwards, W R. Long lifetime, low intensity light source for use in nighttime viewing of equipment maps and other writings. United States.
Frank, A M, and Edwards, W R. Tue . "Long lifetime, low intensity light source for use in nighttime viewing of equipment maps and other writings". United States.
@article{osti_7146145,
title = {Long lifetime, low intensity light source for use in nighttime viewing of equipment maps and other writings},
author = {Frank, A M and Edwards, W R},
abstractNote = {A long-lifetime light source with sufficiently low intensity to be used for reading a map or other writing at nighttime, while not obscuring the user's normal night vision is disclosed. This light source includes a diode electrically connected in series with a small power source and a lens properly positioned to focus at least a portion of the light produced by the diode. 1 fig.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1983},
month = {10}
}