IT1078067B - Orologio a movimento arrestabile per l'insegnamento delle scienze naturali - Google Patents

Orologio a movimento arrestabile per l'insegnamento delle scienze naturali

Info

Publication number
IT1078067B
IT1078067B IT20400/77A IT2040077A IT1078067B IT 1078067 B IT1078067 B IT 1078067B IT 20400/77 A IT20400/77 A IT 20400/77A IT 2040077 A IT2040077 A IT 2040077A IT 1078067 B IT1078067 B IT 1078067B
Authority
IT
Italy
Prior art keywords
teaching
stopping movement
natural sciences
movement clock
clock
Prior art date
Application number
IT20400/77A
Other languages
English (en)
Original Assignee
Leybold Heraeus & Co Kg Gmbh
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
Priority claimed from DE19767604548 external-priority patent/DE7604548U/de
Application filed by Leybold Heraeus & Co Kg Gmbh filed Critical Leybold Heraeus & Co Kg Gmbh
Application granted granted Critical
Publication of IT1078067B publication Critical patent/IT1078067B/it

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F10/00—Apparatus for measuring unknown time intervals by electric means
    • G04F10/04—Apparatus for measuring unknown time intervals by electric means by counting pulses or half-cycles of an ac
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/0082—Visual time or date indication means by building-up characters using a combination of indicating elements and by selecting desired characters out of a number of characters or by selecting indicating elements the positions of which represents the time, i.e. combinations of G04G9/02 and G04G9/08
    • G04G9/0088—Visual time or date indication means by building-up characters using a combination of indicating elements and by selecting desired characters out of a number of characters or by selecting indicating elements the positions of which represents the time, i.e. combinations of G04G9/02 and G04G9/08 by controlling light sources, e.g. electroluminescent diodes
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/02—Visual time or date indication means by selecting desired characters out of a number of characters or by selecting indicating elements the position of which represent the time, e.g. by using multiplexing techniques
    • G04G9/04—Visual time or date indication means by selecting desired characters out of a number of characters or by selecting indicating elements the position of which represent the time, e.g. by using multiplexing techniques by controlling light sources, e.g. electroluminescent diodes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
IT20400/77A 1976-02-17 1977-02-17 Orologio a movimento arrestabile per l'insegnamento delle scienze naturali IT1078067B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19767604548 DE7604548U (de) 1976-02-17 Stoppuhr für den naturwissenschaftlichen Unterricht

Publications (1)

Publication Number Publication Date
IT1078067B true IT1078067B (it) 1985-05-08

Family

ID=6662111

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20400/77A IT1078067B (it) 1976-02-17 1977-02-17 Orologio a movimento arrestabile per l'insegnamento delle scienze naturali

Country Status (3)

Country Link
FR (1) FR2341889A1 (it)
IT (1) IT1078067B (it)
SE (1) SE7701172L (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8621553U1 (de) * 1986-08-11 1987-06-04 Zang, Klaus Dieter, Prof.Dr.med., 6650 Homburg Elektrische Uhr
US4920524A (en) * 1988-08-22 1990-04-24 Kotob Mohammed N Multimode digital timepiece

Also Published As

Publication number Publication date
SE7701172L (sv) 1977-08-18
FR2341889A1 (fr) 1977-09-16
DE7604548U1 (it) 1976-02-17

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