Optical module

Details Optical module Optical module

2007-11-13

2007-11-13

Epps, Georgia (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

Reexamination Certificate

active

11516051

ABSTRACT:
An optical module has a convex lens interposed between a mirror and a light-emitting element array, and whose effective diameter is larger than the distance between the respective optical axes of mutually most-distant two light-emitting elements of the light-emitting element array. The convex lens causes incident optical signals from light-emitting elements of the light-emitting element array to respectively form parallel light, and causes their respective optical axes to cross each other on or adjacent to the surface of the mirror, to emit plural optical signals reflected off the mirror, and make the respective optical axes of the emitted optical signals parallel to each other to collect the parallel optical signals into monitoring light-receiving elements respectively.

REFERENCES:
patent: 5997185 (1999-12-01), Kropp
patent: 6741777 (2004-05-01), Jewell et al.
patent: 7030365 (2006-04-01), Langland
patent: 2006/0131487 (2006-06-01), Mathis et al.
patent: 2006/0249661 (2006-11-01), Ishigami et al.
patent: 2002-107582 (2002-04-01), None

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