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GB2177209B - Improved barograph - Google Patents

Improved barograph

Info

Publication number
GB2177209B
GB2177209B GB8517028A GB8517028A GB2177209B GB 2177209 B GB2177209 B GB 2177209B GB 8517028 A GB8517028 A GB 8517028A GB 8517028 A GB8517028 A GB 8517028A GB 2177209 B GB2177209 B GB 2177209B
Authority
GB
United Kingdom
Prior art keywords
barograph
improved
improved barograph
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
Application number
GB8517028A
Other versions
GB2177209A (en
GB8517028D0 (en
Inventor
Noel Thomas Justin Bevan
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB8517028A priority Critical patent/GB2177209B/en
Publication of GB8517028D0 publication Critical patent/GB8517028D0/en
Publication of GB2177209A publication Critical patent/GB2177209A/en
Application granted granted Critical
Publication of GB2177209B publication Critical patent/GB2177209B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D15/00—Component parts of recorders for measuring arrangements not specially adapted for a specific variable
    • G01D15/10—Heated recording elements acting on heatsensitive layers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/08—Means for indicating or recording, e.g. for remote indication

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
GB8517028A 1985-07-05 1985-07-05 Improved barograph Expired GB2177209B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8517028A GB2177209B (en) 1985-07-05 1985-07-05 Improved barograph

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8517028A GB2177209B (en) 1985-07-05 1985-07-05 Improved barograph

Publications (3)

Publication Number Publication Date
GB8517028D0 GB8517028D0 (en) 1985-08-14
GB2177209A GB2177209A (en) 1987-01-14
GB2177209B true GB2177209B (en) 1989-07-19

Family

ID=10581841

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8517028A Expired GB2177209B (en) 1985-07-05 1985-07-05 Improved barograph

Country Status (1)

Country Link
GB (1) GB2177209B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB471015A (en) * 1936-10-20 1937-08-27 Henry James Birchall Improvements in barographs
GB907894A (en) * 1959-10-30 1962-10-10 William Waller Cope Improvements in or relating to recording apparatus
GB1175474A (en) * 1967-04-14 1969-12-23 Blh Electronics Recorder Apparatus
GB1419367A (en) * 1973-08-11 1975-12-31 Schaerer Ag M Method and apparatus for recording pneumatic pressures
US4305080A (en) * 1979-07-18 1981-12-08 International Business Machines Corporation Compensating driver circuit for thermal print head
US4330786A (en) * 1979-06-18 1982-05-18 Mitsubishi Denki Kabushiki Kaisha Method of controlling thermally controlling a thermal printing head

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB471015A (en) * 1936-10-20 1937-08-27 Henry James Birchall Improvements in barographs
GB907894A (en) * 1959-10-30 1962-10-10 William Waller Cope Improvements in or relating to recording apparatus
GB1175474A (en) * 1967-04-14 1969-12-23 Blh Electronics Recorder Apparatus
GB1419367A (en) * 1973-08-11 1975-12-31 Schaerer Ag M Method and apparatus for recording pneumatic pressures
US4330786A (en) * 1979-06-18 1982-05-18 Mitsubishi Denki Kabushiki Kaisha Method of controlling thermally controlling a thermal printing head
US4305080A (en) * 1979-07-18 1981-12-08 International Business Machines Corporation Compensating driver circuit for thermal print head

Also Published As

Publication number Publication date
GB2177209A (en) 1987-01-14
GB8517028D0 (en) 1985-08-14

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee