JPH02133607U - - Google Patents
Info
- Publication number
- JPH02133607U JPH02133607U JP4167689U JP4167689U JPH02133607U JP H02133607 U JPH02133607 U JP H02133607U JP 4167689 U JP4167689 U JP 4167689U JP 4167689 U JP4167689 U JP 4167689U JP H02133607 U JPH02133607 U JP H02133607U
- Authority
- JP
- Japan
- Prior art keywords
- origin
- origin detection
- electronic theodolite
- scale
- detection device
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Optical Transform (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989041676U JPH07884Y2 (ja) | 1989-04-11 | 1989-04-11 | 電子式セオドライトの原点検出装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989041676U JPH07884Y2 (ja) | 1989-04-11 | 1989-04-11 | 電子式セオドライトの原点検出装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02133607U true JPH02133607U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-11-06 |
| JPH07884Y2 JPH07884Y2 (ja) | 1995-01-11 |
Family
ID=31552549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989041676U Expired - Lifetime JPH07884Y2 (ja) | 1989-04-11 | 1989-04-11 | 電子式セオドライトの原点検出装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07884Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS585469A (ja) * | 1981-06-30 | 1983-01-12 | Nec Home Electronics Ltd | エンジン点火装置 |
| JPS58204314A (ja) * | 1982-05-24 | 1983-11-29 | Nippon Kogaku Kk <Nikon> | エンコ−ダ装置 |
| JPS607316A (ja) * | 1983-06-28 | 1985-01-16 | Asahi Optical Co Ltd | 角度測定装置 |
| JPS6019919U (ja) * | 1983-07-20 | 1985-02-12 | 旭光学工業株式会社 | 角度測定装置 |
| JPS6076215U (ja) * | 1983-11-01 | 1985-05-28 | 旭光学工業株式会社 | 角度測定装置 |
| JPS61112922A (ja) * | 1984-11-07 | 1986-05-30 | Toshiba Corp | 光学式エンコ−ダ |
-
1989
- 1989-04-11 JP JP1989041676U patent/JPH07884Y2/ja not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS585469A (ja) * | 1981-06-30 | 1983-01-12 | Nec Home Electronics Ltd | エンジン点火装置 |
| JPS58204314A (ja) * | 1982-05-24 | 1983-11-29 | Nippon Kogaku Kk <Nikon> | エンコ−ダ装置 |
| JPS607316A (ja) * | 1983-06-28 | 1985-01-16 | Asahi Optical Co Ltd | 角度測定装置 |
| JPS6019919U (ja) * | 1983-07-20 | 1985-02-12 | 旭光学工業株式会社 | 角度測定装置 |
| JPS6076215U (ja) * | 1983-11-01 | 1985-05-28 | 旭光学工業株式会社 | 角度測定装置 |
| JPS61112922A (ja) * | 1984-11-07 | 1986-05-30 | Toshiba Corp | 光学式エンコ−ダ |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07884Y2 (ja) | 1995-01-11 |