DE7604548U1 - - Google Patents
Info
- Publication number
- DE7604548U1 DE7604548U1 DE7604548U DE7604548U DE7604548U1 DE 7604548 U1 DE7604548 U1 DE 7604548U1 DE 7604548 U DE7604548 U DE 7604548U DE 7604548 U DE7604548 U DE 7604548U DE 7604548 U1 DE7604548 U1 DE 7604548U1
- Authority
- DE
- Germany
- 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
Links
Classifications
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- 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
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- 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)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19767604548 DE7604548U (de) | 1976-02-17 | Stoppuhr für den naturwissenschaftlichen Unterricht | |
| SE7701172A SE7701172L (sv) | 1976-02-17 | 1977-02-03 | Stoppur for naturvetenskaplig undervisning |
| FR7704254A FR2341889A1 (fr) | 1976-02-17 | 1977-02-15 | Chronographe pour l'enseignement scientifique |
| IT20400/77A IT1078067B (it) | 1976-02-17 | 1977-02-17 | Orologio a movimento arrestabile per l'insegnamento delle scienze naturali |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19767604548 DE7604548U (de) | 1976-02-17 | Stoppuhr für den naturwissenschaftlichen Unterricht |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE7604548U1 true DE7604548U1 (enExample) | 1976-02-17 |
| DE7604548U DE7604548U (de) | 1977-05-05 |
Family
ID=
Also Published As
| Publication number | Publication date |
|---|---|
| SE7701172L (sv) | 1977-08-18 |
| FR2341889A1 (fr) | 1977-09-16 |
| IT1078067B (it) | 1985-05-08 |