FR708223A - Improvements to recording devices for the control of operations - Google Patents

Improvements to recording devices for the control of operations

Info

Publication number
FR708223A
FR708223A FR708223DA FR708223A FR 708223 A FR708223 A FR 708223A FR 708223D A FR708223D A FR 708223DA FR 708223 A FR708223 A FR 708223A
Authority
FR
France
Prior art keywords
operations
control
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
Jean Joseph Robert Guichard
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 FR708223A publication Critical patent/FR708223A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C3/00—Registering or indicating the condition or the working of machines or other apparatus, other than vehicles
    • G07C3/08—Registering or indicating the production of the machine either with or without registering working or idle time
    • G07C3/12—Registering or indicating the production of the machine either with or without registering working or idle time in graphical form

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR708223D 1930-01-29 1930-12-22 Improvements to recording devices for the control of operations Expired FR708223A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE708223X 1930-01-29

Publications (1)

Publication Number Publication Date
FR708223A true FR708223A (en) 1931-07-21

Family

ID=3878558

Family Applications (1)

Application Number Title Priority Date Filing Date
FR708223D Expired FR708223A (en) 1930-01-29 1930-12-22 Improvements to recording devices for the control of operations

Country Status (1)

Country Link
FR (1) FR708223A (en)

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