JP4745733B2 - 電子レベル - Google Patents
電子レベル Download PDFInfo
- Publication number
- JP4745733B2 JP4745733B2 JP2005189799A JP2005189799A JP4745733B2 JP 4745733 B2 JP4745733 B2 JP 4745733B2 JP 2005189799 A JP2005189799 A JP 2005189799A JP 2005189799 A JP2005189799 A JP 2005189799A JP 4745733 B2 JP4745733 B2 JP 4745733B2
- Authority
- JP
- Japan
- Prior art keywords
- electronic level
- compensator
- light emitting
- linear sensor
- tilt angle
- 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.)
- Expired - Fee Related
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- Length Measuring Devices By Optical Means (AREA)
- Measurement Of Optical Distance (AREA)
Description
前記望遠鏡光学系内で前記コンペンセータの前方に、前記視準軸から離して前記視準軸と平行に後方へ向けて光線を出射する発光部を配置し、前記発光部の前記リニアセンサ上での結像位置から前記電子レベルの傾斜角を算出する演算処理部と、前記電子レベルの傾斜角が前記コンペンセータで視準軸を水平に補正可能な範囲の限界に達したときに警報を発する警報器とを設けたことを特徴とする。
12 コンペンセータ
15 CCDリニアセンサ
16 演算処理部
Claims (1)
- 視準軸を水平に保つコンペンセータと、標尺が結像するリニアセンサとを有する望遠鏡光学系を備える電子レベルにおいて、
前記望遠鏡光学系内で前記コンペンセータの前方に、前記視準軸から離して前記視準軸と平行に後方へ向けて光線を出射する発光部を配置し、前記発光部の前記リニアセンサ上での結像位置から前記電子レベルの傾斜角を算出する演算処理部と、前記電子レベルの傾斜角が前記コンペンセータで視準軸を水平に補正可能な範囲の限界に達したときに警報を発する警報器とを設けたことを特徴とする電子レベル。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005189799A JP4745733B2 (ja) | 2005-06-29 | 2005-06-29 | 電子レベル |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005189799A JP4745733B2 (ja) | 2005-06-29 | 2005-06-29 | 電子レベル |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007010410A JP2007010410A (ja) | 2007-01-18 |
JP4745733B2 true JP4745733B2 (ja) | 2011-08-10 |
Family
ID=37749135
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005189799A Expired - Fee Related JP4745733B2 (ja) | 2005-06-29 | 2005-06-29 | 電子レベル |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4745733B2 (ja) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5162754A (en) * | 1974-11-29 | 1976-05-31 | Sokkisha | Jidosuijungino sadokakuninsochi |
JPS5357863U (ja) * | 1976-10-15 | 1978-05-17 | ||
JPS6027311U (ja) * | 1983-07-30 | 1985-02-23 | 旭精密株式会社 | 測量機械の傾き誤差自動補正装置における警告装置 |
JP3429038B2 (ja) * | 1993-12-03 | 2003-07-22 | 株式会社トプコン | 測量機 |
JP3460074B2 (ja) * | 1995-11-24 | 2003-10-27 | 株式会社トプコン | 電子レベルの水平位誤差補正機構 |
JP3796535B2 (ja) * | 1997-10-21 | 2006-07-12 | 株式会社ソキア | 電子レベル |
-
2005
- 2005-06-29 JP JP2005189799A patent/JP4745733B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2007010410A (ja) | 2007-01-18 |
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