Title:
PHOTO CONTROL ELEMENT
Document Type and Number:
Japanese Patent JPS53123946
Kind Code:
A
Abstract:
PURPOSE: To eliminate mechanical mechanisms and perform optical scanning and light modulation of high speed at high reliability by providing electrodes which generate elastic surface waves to the thin-film optical guide provided to a substrate and emitting light by a diffraction grating formed by the elastic surface waves.
Inventors:
SEGAWA HIDEO
Application Number:
JP3803777A
Publication Date:
October 28, 1978
Filing Date:
April 05, 1977
Export Citation:
Assignee:
RICOH KK
International Classes:
G02B6/12; G02F1/11; G02F1/33; H04R17/00; (IPC1-7): G02B5/14; G02F1/11; G02F1/33; H04R17/00