FR1220783A - Telephone timing device - Google Patents

Telephone timing device

Info

Publication number
FR1220783A
FR1220783A FR39370A FR69039370A FR1220783A FR 1220783 A FR1220783 A FR 1220783A FR 39370 A FR39370 A FR 39370A FR 69039370 A FR69039370 A FR 69039370A FR 1220783 A FR1220783 A FR 1220783A
Authority
FR
France
Prior art keywords
timing device
telephone timing
telephone
timing
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
FR39370A
Other languages
French (fr)
Inventor
Rene Berger
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 filed Critical
Priority to FR39370A priority Critical patent/FR1220783A/en
Application granted granted Critical
Publication of FR1220783A publication Critical patent/FR1220783A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/06—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator running only during the time interval to be measured, e.g. stop-watch

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR39370A 1959-04-30 1959-04-30 Telephone timing device Expired FR1220783A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR39370A FR1220783A (en) 1959-04-30 1959-04-30 Telephone timing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR39370A FR1220783A (en) 1959-04-30 1959-04-30 Telephone timing device

Publications (1)

Publication Number Publication Date
FR1220783A true FR1220783A (en) 1960-05-27

Family

ID=8593145

Family Applications (1)

Application Number Title Priority Date Filing Date
FR39370A Expired FR1220783A (en) 1959-04-30 1959-04-30 Telephone timing device

Country Status (1)

Country Link
FR (1) FR1220783A (en)

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