FR728600A - Perfectionnements relatifs aux appareils enregistreurs - Google Patents

Perfectionnements relatifs aux appareils enregistreurs

Info

Publication number
FR728600A
FR728600A FR728600DA FR728600A FR 728600 A FR728600 A FR 728600A FR 728600D A FR728600D A FR 728600DA FR 728600 A FR728600 A FR 728600A
Authority
FR
France
Prior art keywords
recording devices
improvements relating
relating
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
English (en)
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.)
M L JEFFREY CORP
Original Assignee
M L JEFFREY CORP
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 M L JEFFREY CORP filed Critical M L JEFFREY CORP
Application granted granted Critical
Publication of FR728600A publication Critical patent/FR728600A/fr
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
    • G07C1/00—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
    • G07C1/02—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people not involving the registering, indicating or recording of other data
    • G07C1/08—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people not involving the registering, indicating or recording of other data wherein the time is indicated by marking an element, e.g. a card or tape, in position determined by the time

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR728600D 1931-12-07 1931-12-07 Perfectionnements relatifs aux appareils enregistreurs Expired FR728600A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR728600T 1931-12-07

Publications (1)

Publication Number Publication Date
FR728600A true FR728600A (fr) 1932-07-07

Family

ID=9111948

Family Applications (1)

Application Number Title Priority Date Filing Date
FR728600D Expired FR728600A (fr) 1931-12-07 1931-12-07 Perfectionnements relatifs aux appareils enregistreurs

Country Status (1)

Country Link
FR (1) FR728600A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1231936B (de) * 1957-10-30 1967-01-05 Du Pont Aufzeichnungsgeraet zum Aufzeichnen der Dauer und der Ursache von Stillstandszeiten kraftbetriebener Anlagen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1231936B (de) * 1957-10-30 1967-01-05 Du Pont Aufzeichnungsgeraet zum Aufzeichnen der Dauer und der Ursache von Stillstandszeiten kraftbetriebener Anlagen

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