The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 05, 1988
Filed:
Feb. 27, 1987
William A Kastendieck, Wylie, TX (US);
Darrell E Lee, Richardson, TX (US);
Varo, Inc., Garland, TX (US);
Abstract
A circuit for automatically removing battery power from a night vision goggle (10) upon its detachment from a headgear (12) or when subjected to excessive light. A magnet (34) on the headgear (12) is magnetically coupled to a magnetic reed switch (36) fixed to the goggle (10). On detachment of the goggle (10) from the headgear (12), the reed switch (36) switches battery current to a goggle location monitor (75) for drilling on/off control logic (79) to remove power from an image intensifier tube (40). A high intensity light monitor (80) senses when the ambient light exceeds a predefined intensity, for a predetermined period of time, and also drives the control logic (79) to open a switch (86) in series with the battery (38) and the image intensifier tube (40). A low voltage monitor (82) provides a visual indication (84) of reduced battery voltages.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile