FR2219457B3 - - Google Patents
Info
- Publication number
- FR2219457B3 FR2219457B3 FR7405697A FR7405697A FR2219457B3 FR 2219457 B3 FR2219457 B3 FR 2219457B3 FR 7405697 A FR7405697 A FR 7405697A FR 7405697 A FR7405697 A FR 7405697A FR 2219457 B3 FR2219457 B3 FR 2219457B3
- Authority
- FR
- France
- 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
-
- 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
- G04G13/021—Details
- G04G13/023—Adjusting the duration or amplitude of signals
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Clocks (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732308942 DE2308942C3 (en) | 1973-02-23 | 1973-02-23 | Switch-off device for an alarm clock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2219457A1 FR2219457A1 (en) | 1974-09-20 |
| FR2219457B3 true FR2219457B3 (en) | 1976-11-26 |
Family
ID=5872825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7405697A Expired FR2219457B3 (en) | 1973-02-23 | 1974-02-20 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE2308942C3 (en) |
| FR (1) | FR2219457B3 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1551095A (en) * | 1975-09-29 | 1979-08-22 | Seikosha Kk | Alarm timepiece |
-
1973
- 1973-02-23 DE DE19732308942 patent/DE2308942C3/en not_active Expired
-
1974
- 1974-02-20 FR FR7405697A patent/FR2219457B3/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2219457A1 (en) | 1974-09-20 |
| DE2308942A1 (en) | 1974-08-29 |
| DE2308942B2 (en) | 1976-05-26 |
| DE2308942C3 (en) | 1980-11-20 |