Title:
REFLECTION TYPE ENCODER HAVING VARIOUS KINDS OF EMITTER-DETECTOR CONSTITUTION
Document Type and Number:
Japanese Patent JP2007121296
Kind Code:
A
Abstract:
To provide an optical encoder affected hardly by defective alignment of an emitter.
The present invention discloses the optical encoder having one or more out of some features disclosed by this patent specification and a drawing. The features of the optical encoder according to the present invention includes the symmetric-shaped (for example, circular-shaped) emitter, a baffle between the emitter and a detector, a sealant of two dome structure or one dome structure, the plurality of detectors, and a plurality (at least three) of data channels.
Inventors:
CHIN YEE LOONG
FOO SIANG LEONG
WONG WENG FEI
SAIDAN SAIFUL BAHARI
TAN CHENG WHY
YEAP WEE JIN
FOO SIANG LEONG
WONG WENG FEI
SAIDAN SAIFUL BAHARI
TAN CHENG WHY
YEAP WEE JIN
Application Number:
JP2006287490A
Publication Date:
May 17, 2007
Filing Date:
October 23, 2006
Export Citation:
Assignee:
AVAGO TECH ECBU IP SG PTE LTD
International Classes:
G01D5/30
Domestic Patent References:
| JPS62245981A | 1987-10-27 | |||
| JPH06221874A | 1994-08-12 | |||
| JP2005134391A | 2005-05-26 | |||
| JP2005156549A | 2005-06-16 |
Attorney, Agent or Firm:
Satoshi Furuya
Takahiko Mizobe
Kiyoharu Nishiyama
Takahiko Mizobe
Kiyoharu Nishiyama
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