DE176770C - - Google Patents

Info

Publication number
DE176770C
DE176770C DENDAT176770D DE176770DC DE176770C DE 176770 C DE176770 C DE 176770C DE NDAT176770 D DENDAT176770 D DE NDAT176770D DE 176770D C DE176770D C DE 176770DC DE 176770 C DE176770 C DE 176770C
Authority
DE
Germany
Prior art keywords
key
bar
marking
keyhole
control clock
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.)
Active
Application number
DENDAT176770D
Other languages
German (de)
English (en)
Publication of DE176770C publication Critical patent/DE176770C/de
Active legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME 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
    • G07C1/00Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
    • G07C1/20Checking timed patrols, e.g. of watchman

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Casings For Electric Apparatus (AREA)
DENDAT176770D Active DE176770C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE176770C true DE176770C (enrdf_load_stackoverflow)

Family

ID=441311

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT176770D Active DE176770C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE176770C (enrdf_load_stackoverflow)

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