JPS57166511A - Leveling instrument - Google Patents
Leveling instrumentInfo
- Publication number
- JPS57166511A JPS57166511A JP5204281A JP5204281A JPS57166511A JP S57166511 A JPS57166511 A JP S57166511A JP 5204281 A JP5204281 A JP 5204281A JP 5204281 A JP5204281 A JP 5204281A JP S57166511 A JPS57166511 A JP S57166511A
- Authority
- JP
- Japan
- Prior art keywords
- air bubble
- glass tube
- top surface
- conductive liquid
- resistance wires
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/02—Details
- G01C9/06—Electric or photoelectric indication or reading means
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5204281A JPS57166511A (en) | 1981-04-07 | 1981-04-07 | Leveling instrument |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5204281A JPS57166511A (en) | 1981-04-07 | 1981-04-07 | Leveling instrument |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57166511A true JPS57166511A (en) | 1982-10-14 |
Family
ID=12903753
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5204281A Pending JPS57166511A (en) | 1981-04-07 | 1981-04-07 | Leveling instrument |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57166511A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS642106U (ja) * | 1987-06-24 | 1989-01-09 | ||
EP0687891A1 (en) | 1994-06-13 | 1995-12-20 | Daishowa Seiki Co., Ltd. | Level detector |
-
1981
- 1981-04-07 JP JP5204281A patent/JPS57166511A/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS642106U (ja) * | 1987-06-24 | 1989-01-09 | ||
EP0687891A1 (en) | 1994-06-13 | 1995-12-20 | Daishowa Seiki Co., Ltd. | Level detector |
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