Lamp shade moving mechanism for transparency scannings

Details Lamp shade moving mechanism for transparency scannings Lamp shade moving mechanism for transparency scannings

1994-06-07

1995-09-19

Shafer, Ricky D.

Optical: systems and elements

Light control by opaque element or medium movable in or...

Electro-mechanical

358474, 355 71, G02B 2602

Patent

active

054521203

ABSTRACT:
A lamp shade moving mechanism for transparency scanning includes a guiding rack, a sliding block, a driving motor and a belt. Grooves are formed on inside wall of two lateral sides of guiding rack to hold and lead sliding block. Driving motor and belt move sliding block to make a linear to-and-fro movement along guiding rack. A lamp shade is disposed on the sliding block, characterized by having simple components and capable of performing high speed scanning.

REFERENCES:
patent: 4908717 (1990-03-01), Natori

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