GB2198862B - Time measurement equipment - Google Patents

Time measurement equipment

Info

Publication number
GB2198862B
GB2198862B GB8628035A GB8628035A GB2198862B GB 2198862 B GB2198862 B GB 2198862B GB 8628035 A GB8628035 A GB 8628035A GB 8628035 A GB8628035 A GB 8628035A GB 2198862 B GB2198862 B GB 2198862B
Authority
GB
United Kingdom
Prior art keywords
time measurement
measurement equipment
equipment
time
measurement
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 - Lifetime
Application number
GB8628035A
Other versions
GB8628035D0 (en
GB2198862A (en
Inventor
Shigeo Sato
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
Publication of GB8628035D0 publication Critical patent/GB8628035D0/en
Publication of GB2198862A publication Critical patent/GB2198862A/en
Application granted granted Critical
Publication of GB2198862B publication Critical patent/GB2198862B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F1/00—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timers
    • G04F1/04—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timers by movement or acceleration due to gravity
    • G04F1/06—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timers by movement or acceleration due to gravity by flowing-away of a prefixed quantity of fine-granular or liquid materials, e.g. sand-glass, water-clock
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B1/00—Driving mechanisms
    • G04B1/26—Driving mechanisms driven by liquids or gases; Liquid or gaseous drives for mechanically-controlled secondary clocks
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F1/00—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Level Indicators Using A Float (AREA)
  • Measuring Volume Flow (AREA)
  • Devices For Medical Bathing And Washing (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Bathtub Accessories (AREA)
GB8628035A 1985-11-24 1986-11-24 Time measurement equipment Expired - Lifetime GB2198862B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP26454585A JP2512701B2 (en) 1985-11-24 1985-11-24 Air clock

Publications (3)

Publication Number Publication Date
GB8628035D0 GB8628035D0 (en) 1986-12-31
GB2198862A GB2198862A (en) 1988-06-22
GB2198862B true GB2198862B (en) 1990-03-28

Family

ID=17404755

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8628035A Expired - Lifetime GB2198862B (en) 1985-11-24 1986-11-24 Time measurement equipment

Country Status (4)

Country Link
JP (1) JP2512701B2 (en)
DE (1) DE3639602A1 (en)
FR (1) FR2608796A1 (en)
GB (1) GB2198862B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2448736B (en) * 2007-04-26 2009-04-22 Simon Cathcart Teeth cleaning timer

Also Published As

Publication number Publication date
DE3639602A1 (en) 1988-05-26
FR2608796A1 (en) 1988-06-24
GB8628035D0 (en) 1986-12-31
JPS62123389A (en) 1987-06-04
JP2512701B2 (en) 1996-07-03
GB2198862A (en) 1988-06-22

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Legal Events

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