Electro-optic welding lens assembly using multiple liquid crysta

Details Electro-optic welding lens assembly using multiple liquid crysta Electro-optic welding lens assembly using multiple liquid crysta

1976-05-27

1977-08-02

Bauer, Edward S.

2 8, 350150, G02F 113

Patent

active

040392546

ABSTRACT:
A liquid crystal welding lens assembly for use as the eyepiece of a welding helmet in which the light transmission of the lens assembly is no greater than 0.01% during the existence of a welding arc. This is achieved with the use of at least two liquid crystal light shutters and three polarizers alternately arranged in tandem.

REFERENCES:
patent: 3873804 (1975-03-01), Gordon
patent: 3881808 (1975-05-01), Gurtler et al.
patent: 3937561 (1976-02-01), Peterson et al.

Affiliated with

Also associated with

Rating

Electro-optic welding lens assembly using multiple liquid crysta does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Electro-optic welding lens assembly using multiple liquid crysta, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electro-optic welding lens assembly using multiple liquid crysta will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2296342