FR719953A - Improvements to recording devices - Google Patents

Improvements to recording devices

Info

Publication number
FR719953A
FR719953A FR719953DA FR719953A FR 719953 A FR719953 A FR 719953A FR 719953D A FR719953D A FR 719953DA FR 719953 A FR719953 A FR 719953A
Authority
FR
France
Prior art keywords
recording devices
recording
devices
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)
Inventor
James Russell Mckenzie Tisdale
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
Application granted granted Critical
Publication of FR719953A publication Critical patent/FR719953A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P1/00—Details of instruments
    • G01P1/12—Recording devices
    • G01P1/122—Speed recorders
    • G01P1/125—Speed recorders with recording discs

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
FR719953D 1931-07-10 1931-07-10 Improvements to recording devices Expired FR719953A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR719953T 1931-07-10
US554006A US1910191A (en) 1931-07-10 1931-07-30 Recording device

Publications (1)

Publication Number Publication Date
FR719953A true FR719953A (en) 1932-02-18

Family

ID=24211675

Family Applications (1)

Application Number Title Priority Date Filing Date
FR719953D Expired FR719953A (en) 1931-07-10 1931-07-10 Improvements to recording devices

Country Status (2)

Country Link
US (1) US1910191A (en)
FR (1) FR719953A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2549150A (en) * 1945-01-10 1951-04-17 Charles C Morrison Printing device for producing graphs, prints, or the like
US4533962A (en) * 1982-08-05 1985-08-06 Decker Ronald R Vehicle performance detection and recording apparatus

Also Published As

Publication number Publication date
US1910191A (en) 1933-05-23

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