Electro-optic light shutter and frame assembly with integrated switching mechanism
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United States of America Patent
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Dec 27, 1994
Grant Date -
N/A
app pub date -
Feb 5, 1993
filing date -
Feb 5, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A frame assembly for a light shutter including a frame structure for enclosing an electro-optic shutter assembly, the frame structure having a front surface which can be positioned opposite a cover lens, and a switch for controlling an operation mode of the electro-optic shutter assembly, the switch being mounted on the front surface whereby pressure applied to the cover lens activates the switch. The frame assembly can be inserted and used in a welding helmet or other protective eyewear having a standard sized lens aperture.
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