CH506372A4 - - Google Patents
Info
- Publication number
- CH506372A4 CH506372A4 CH506372A CH506372A CH506372A4 CH 506372 A4 CH506372 A4 CH 506372A4 CH 506372 A CH506372 A CH 506372A CH 506372 A CH506372 A CH 506372A CH 506372 A4 CH506372 A4 CH 506372A4
- Authority
- CH
- Switzerland
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G11/00—Producing optical signals at preselected times
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G13/00—Producing acoustic time signals
- G04G13/02—Producing acoustic time signals at preselected times, e.g. alarm clocks
- G04G13/026—Producing acoustic time signals at preselected times, e.g. alarm clocks acting at a number of different times
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Clocks (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712117756 DE2117756C2 (de) | 1971-04-10 | Digitales Zeitanzeigegerät |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CH506372A4 true CH506372A4 (en:Method) | 1973-12-28 |
| CH551041A CH551041A (en:Method) | 1974-06-28 |
Family
ID=5804550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH506372A CH551041A (en:Method) | 1971-04-10 | 1972-04-06 |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH551041A (en:Method) |
-
1972
- 1972-04-06 CH CH506372A patent/CH551041A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH551041A (en:Method) | 1974-06-28 |
| DE2117756A1 (en:Method) | 1972-09-21 |
| DE2117756B2 (de) | 1972-09-21 |