Optical switch

Details Optical switch Optical switch

1996-11-22

1998-02-24

Palmer, Phan T. H.

Optical waveguides

With optical coupler

Switch

385 16, 385 17, 385 18, G02B 626

Patent

active

057217947

ABSTRACT:
An optical switch comprises a pair of optical interrupters 31 and 32, a shutter 41 and a switch knob 61. The optical interrupters are composed of light-emitting elements 11 and 12 and optical fibers 21 and 22. The optical fiber of each optical interrupter is positioned coaxial to the light path of the light-emitting element and faces the light-emitting element with a predetermined space. The shutter 41 has at least one slit 42 to allow light passage and is provided slidable perpendicularly across the light path of the optical interrupters, and the switch knob 61 slides the shutter 41. The optical switch is turned on or off through the operation of the switch knob 61 as the slit 42 of the shutter 41 is positioned in the light paths of the optical interrupters, allowing the light to pass through the slit, or as the barrier portion of the shutter 41 is positioned in the light paths of the optical interrupters, blocking the light.

REFERENCES:
patent: 5440654 (1995-08-01), Lambert, Jr.
patent: 5548669 (1996-08-01), Anderson et al.

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