JPH02120854U - - Google Patents
Info
- Publication number
- JPH02120854U JPH02120854U JP2851489U JP2851489U JPH02120854U JP H02120854 U JPH02120854 U JP H02120854U JP 2851489 U JP2851489 U JP 2851489U JP 2851489 U JP2851489 U JP 2851489U JP H02120854 U JPH02120854 U JP H02120854U
- Authority
- JP
- Japan
- Prior art keywords
- semiconductor substrate
- rotating
- light
- wave signal
- optical encoder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004065 semiconductor Substances 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 4
- 238000009792 diffusion process Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 108091008695 photoreceptors Proteins 0.000 claims description 3
Landscapes
- Optical Transform (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2851489U JPH02120854U (fr) | 1989-03-15 | 1989-03-15 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2851489U JPH02120854U (fr) | 1989-03-15 | 1989-03-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH02120854U true JPH02120854U (fr) | 1990-09-28 |
Family
ID=31251943
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2851489U Pending JPH02120854U (fr) | 1989-03-15 | 1989-03-15 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH02120854U (fr) |
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1989
- 1989-03-15 JP JP2851489U patent/JPH02120854U/ja active Pending