FR1209552A - Improvements made to chronometric devices for measuring a predetermined period, in particular parking meters - Google Patents

Improvements made to chronometric devices for measuring a predetermined period, in particular parking meters

Info

Publication number
FR1209552A
FR1209552A FR1209552DA FR1209552A FR 1209552 A FR1209552 A FR 1209552A FR 1209552D A FR1209552D A FR 1209552DA FR 1209552 A FR1209552 A FR 1209552A
Authority
FR
France
Prior art keywords
measuring
predetermined period
improvements made
parking meters
particular parking
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
Other languages
French (fr)
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.)
FR SAMIA SOC
Original Assignee
FR SAMIA SOC
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 FR SAMIA SOC filed Critical FR SAMIA SOC
Application granted granted Critical
Publication of FR1209552A publication Critical patent/FR1209552A/en
Expired 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1209552D 1958-08-14 1958-08-14 Improvements made to chronometric devices for measuring a predetermined period, in particular parking meters Expired FR1209552A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1209552T 1958-08-14

Publications (1)

Publication Number Publication Date
FR1209552A true FR1209552A (en) 1960-03-02

Family

ID=9674793

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1209552D Expired FR1209552A (en) 1958-08-14 1958-08-14 Improvements made to chronometric devices for measuring a predetermined period, in particular parking meters

Country Status (1)

Country Link
FR (1) FR1209552A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989000721A1 (en) * 1987-07-16 1989-01-26 Lawrence, Neil Timing device
FR2646253A1 (en) * 1989-04-24 1990-10-26 Sciard Alain Device for resetting a sandglass whilst operating.
AU621546B2 (en) * 1987-07-16 1992-03-19 Lawrence, Neil Timing device
US6260996B1 (en) * 2000-01-27 2001-07-17 Richard K. Coleman, Jr. Hourglass with bypass duct
CN105203376A (en) * 2015-09-24 2015-12-30 上海化工研究院 Rotary and repeated type extracting and enriching device for microcomponents in sample

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989000721A1 (en) * 1987-07-16 1989-01-26 Lawrence, Neil Timing device
US5068839A (en) * 1987-07-16 1991-11-26 Neil Lawrence Resettable sandglass-type timing device which provides selective timing periods
AU621546B2 (en) * 1987-07-16 1992-03-19 Lawrence, Neil Timing device
FR2646253A1 (en) * 1989-04-24 1990-10-26 Sciard Alain Device for resetting a sandglass whilst operating.
US6260996B1 (en) * 2000-01-27 2001-07-17 Richard K. Coleman, Jr. Hourglass with bypass duct
CN105203376A (en) * 2015-09-24 2015-12-30 上海化工研究院 Rotary and repeated type extracting and enriching device for microcomponents in sample
CN105203376B (en) * 2015-09-24 2018-06-08 上海化工研究院有限公司 Microcomponent Extraction and enrichment device in a kind of rotation repetitive sample

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