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
- 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 = {Tue Oct 11 00:00:00 EDT 1983},
month = {Tue Oct 11 00:00:00 EDT 1983}
}
Search for the full text at the U.S. Patent and Trademark Office
Note: You will be redirected to the USPTO site, which may require a pop-up blocker to be deactivated to view the patent. If so, you will need to manually turn off your browser's pop-up blocker, typically found within the browser settings. (See DOE Patents FAQs for more information.)
Save to My Library
You must Sign In or Create an Account in order to save documents to your library.