38

Holographic system for filing and retrieving patents

Year:
1981
Language:
english
File:
PDF, 680 KB
english, 1981
39

Pressure sensor using optical fibers

Year:
1990
Language:
english
File:
PDF, 519 KB
english, 1990
40

Liquid-level sensor with optical fibers

Year:
1992
Language:
english
File:
PDF, 575 KB
english, 1992