GB2254140B - Electronic spirit level - Google Patents
Electronic spirit levelInfo
- Publication number
- GB2254140B GB2254140B GB9106313A GB9106313A GB2254140B GB 2254140 B GB2254140 B GB 2254140B GB 9106313 A GB9106313 A GB 9106313A GB 9106313 A GB9106313 A GB 9106313A GB 2254140 B GB2254140 B GB 2254140B
- Authority
- GB
- United Kingdom
- Prior art keywords
- spirit level
- electronic spirit
- electronic
- level
- spirit
- 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
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
- G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
- G01C9/24—Measuring inclination, e.g. by clinometers, by levels by using liquids in closed containers partially filled with liquid so as to leave a gas bubble
-
- 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
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63D—BOWLING GAMES, e.g. SKITTLES, BOCCE OR BOWLS; INSTALLATIONS THEREFOR; BAGATELLE OR SIMILAR GAMES; BILLIARDS
- A63D15/00—Billiards, e.g. carom billiards or pocket billiards; Billiard tables
- A63D2015/001—Billiards, e.g. carom billiards or pocket billiards; Billiard tables with inclination indicating means
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9106313A GB2254140B (en) | 1991-03-25 | 1991-03-25 | Electronic spirit level |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9106313A GB2254140B (en) | 1991-03-25 | 1991-03-25 | Electronic spirit level |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9106313D0 GB9106313D0 (en) | 1991-05-08 |
GB2254140A GB2254140A (en) | 1992-09-30 |
GB2254140B true GB2254140B (en) | 1995-01-25 |
Family
ID=10692168
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9106313A Expired - Fee Related GB2254140B (en) | 1991-03-25 | 1991-03-25 | Electronic spirit level |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2254140B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2371863A (en) * | 2000-11-27 | 2002-08-07 | James Horwill | Illuminated spirit level |
GB2417778A (en) * | 2004-09-03 | 2006-03-08 | Alan John Latham | A sound and vision levelling device |
GB0606924D0 (en) * | 2006-04-07 | 2006-05-17 | Sparrow Paul A | Coloured-illuminated sonic level, set square and angle finder |
GB2550370A (en) * | 2016-05-17 | 2017-11-22 | King Thomas | Level indicating device |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1425812A (en) * | 1972-07-24 | 1976-02-18 | Gooley C L | Orientation indicating apparatus |
EP0130738A2 (en) * | 1983-06-22 | 1985-01-09 | Eureka Developments Limited | Electronic levelling device |
EP0168150A1 (en) * | 1984-06-13 | 1986-01-15 | Technical Designs Incorporated | Electronic inclination sensing device |
GB2192057A (en) * | 1986-06-25 | 1987-12-31 | Philip Male | Electronic tilt-sensitive device |
EP0349074A1 (en) * | 1988-07-01 | 1990-01-03 | Bodewes-Tunhau, Sopha | Inclination gauge |
GB2234812A (en) * | 1989-06-28 | 1991-02-13 | Ronald Wilson | Level sensor |
-
1991
- 1991-03-25 GB GB9106313A patent/GB2254140B/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1425812A (en) * | 1972-07-24 | 1976-02-18 | Gooley C L | Orientation indicating apparatus |
EP0130738A2 (en) * | 1983-06-22 | 1985-01-09 | Eureka Developments Limited | Electronic levelling device |
EP0168150A1 (en) * | 1984-06-13 | 1986-01-15 | Technical Designs Incorporated | Electronic inclination sensing device |
GB2192057A (en) * | 1986-06-25 | 1987-12-31 | Philip Male | Electronic tilt-sensitive device |
EP0349074A1 (en) * | 1988-07-01 | 1990-01-03 | Bodewes-Tunhau, Sopha | Inclination gauge |
GB2234812A (en) * | 1989-06-28 | 1991-02-13 | Ronald Wilson | Level sensor |
Also Published As
Publication number | Publication date |
---|---|
GB2254140A (en) | 1992-09-30 |
GB9106313D0 (en) | 1991-05-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20080325 |