GB8419890D0 - Electronic level - Google Patents

Electronic level

Info

Publication number
GB8419890D0
GB8419890D0 GB848419890A GB8419890A GB8419890D0 GB 8419890 D0 GB8419890 D0 GB 8419890D0 GB 848419890 A GB848419890 A GB 848419890A GB 8419890 A GB8419890 A GB 8419890A GB 8419890 D0 GB8419890 D0 GB 8419890D0
Authority
GB
United Kingdom
Prior art keywords
electronic level
electronic
level
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.)
Withdrawn
Application number
GB848419890A
Other versions
GB2158230A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rowland R W
Original Assignee
Rowland R W
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rowland R W filed Critical Rowland R W
Publication of GB8419890D0 publication Critical patent/GB8419890D0/en
Publication of GB2158230A publication Critical patent/GB2158230A/en
Withdrawn legal-status Critical Current

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
    • 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
    • G01C9/12—Measuring inclination, e.g. by clinometers, by levels by using a single pendulum plumb lines G01C15/10

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Optical Transform (AREA)
GB08419890A 1984-03-08 1984-08-03 Electronic level Withdrawn GB2158230A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB848406034A GB8406034D0 (en) 1984-03-08 1984-03-08 Electronic level

Publications (2)

Publication Number Publication Date
GB8419890D0 true GB8419890D0 (en) 1984-09-05
GB2158230A GB2158230A (en) 1985-11-06

Family

ID=10557757

Family Applications (2)

Application Number Title Priority Date Filing Date
GB848406034A Pending GB8406034D0 (en) 1984-03-08 1984-03-08 Electronic level
GB08419890A Withdrawn GB2158230A (en) 1984-03-08 1984-08-03 Electronic level

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB848406034A Pending GB8406034D0 (en) 1984-03-08 1984-03-08 Electronic level

Country Status (1)

Country Link
GB (2) GB8406034D0 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU1573788A (en) * 1987-02-17 1988-09-14 World Inventions Incorporated Electronic level
IT1205656B (en) * 1987-05-20 1989-03-31 Ezio Terragni DEVICE FOR DETERMINING THE INCLINATION OF A PLAN COMPARED TO A THEORETICAL HORIZONTAL PLAN
US4827624A (en) * 1987-07-30 1989-05-09 Zircon International, Inc. Electronic level
US5031329A (en) * 1990-02-14 1991-07-16 Smallidge Bernard W Digital level with plumb
GB9227004D0 (en) * 1992-12-24 1993-02-17 Richards Clive S Angle indicating device
IL160860A0 (en) * 2004-03-14 2004-08-31 Kapro Intelligent Tools Ltd Digital spirit level
GB2454720A (en) * 2007-11-16 2009-05-20 Norman Watts Optical levelling device with pendulum and opposing light emitting diodes and detectors
US11353325B2 (en) * 2019-02-20 2022-06-07 Milwaukee Electric Tool Corporation Level with digital display
DE102021205075A1 (en) * 2021-05-19 2022-11-24 Robert Bosch Gesellschaft mit beschränkter Haftung Digital spirit level

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB336609A (en) * 1929-07-13 1930-10-13 E R Watts & Son Ltd The use of a spirit level bubble for control of apparatus and/or mechanism
GB570102A (en) * 1943-02-23 1945-06-22 Vickers Armstrongs Ltd Improvements in apparatus for the gravitational control of photo-electric cells
GB2072838A (en) * 1980-03-31 1981-10-07 Honeywell Inc Tilt detecting apparatus
GB2121961B (en) * 1982-06-09 1985-10-02 Jeco Kk Angle change detector
US4459759A (en) * 1982-08-04 1984-07-17 Sundstrand Data Control, Inc. Angular rate and position transducer for borehole survey instrument

Also Published As

Publication number Publication date
GB8406034D0 (en) 1984-04-11
GB2158230A (en) 1985-11-06

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)