Opti-mechanical displacement microindicator

Details Opti-mechanical displacement microindicator Opti-mechanical displacement microindicator

1974-11-14

1976-10-26

Queisser, Richard C.

Signals and indicators

Navigation devices

116DIG34, F16B 3102, G01D 2100

Patent

active

039876993

ABSTRACT:
An indicator for optically indicating small displacements or changes in displacement of one member relative to another member, comprising a self-contained container encapsulating a light absorbing indicator fluid, a window in the container for viewing the indicator fluid, an opposite wall portion, and a flexible portion in between the window portion and the wall portion, allowing relative movement therebetween so that an external member, fixed to one of the portions may deform the container and change the thickness of the fluid seen through the window in response to changes in displacement between the first two members.

REFERENCES:
patent: 3133468 (1964-05-01), Cumming
patent: 3850133 (1974-11-01), Johnson

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