HK57080A - Electronic alarm timepiece - Google Patents
Electronic alarm timepieceInfo
- Publication number
- HK57080A HK57080A HK57080A HK57080A HK57080A HK 57080 A HK57080 A HK 57080A HK 57080 A HK57080 A HK 57080A HK 57080 A HK57080 A HK 57080A HK 57080 A HK57080 A HK 57080A
- Authority
- HK
- Hong Kong
- Prior art keywords
- electronic alarm
- alarm timepiece
- timepiece
- electronic
- alarm
- Prior art date
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 |
|---|---|---|---|
| JP50129582A JPS605916B2 (en) | 1975-10-28 | 1975-10-28 | alarm electronic clock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HK57080A true HK57080A (en) | 1980-10-16 |
Family
ID=15013010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HK57080A HK57080A (en) | 1975-10-28 | 1980-10-09 | Electronic alarm timepiece |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS605916B2 (en) |
| BR (1) | BR7607176A (en) |
| CA (1) | CA1072747A (en) |
| DE (1) | DE2649184A1 (en) |
| FR (1) | FR2330051A1 (en) |
| GB (1) | GB1556222A (en) |
| HK (1) | HK57080A (en) |
| IT (1) | IT1073766B (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5544359B2 (en) * | 1972-09-22 | 1980-11-12 |
-
1975
- 1975-10-28 JP JP50129582A patent/JPS605916B2/en not_active Expired
-
1976
- 1976-10-25 IT IT5187676A patent/IT1073766B/en active
- 1976-10-25 FR FR7632077A patent/FR2330051A1/en not_active Withdrawn
- 1976-10-26 GB GB4444276A patent/GB1556222A/en not_active Expired
- 1976-10-26 BR BR7607176A patent/BR7607176A/en unknown
- 1976-10-28 CA CA264,362A patent/CA1072747A/en not_active Expired
- 1976-10-28 DE DE19762649184 patent/DE2649184A1/en not_active Ceased
-
1980
- 1980-10-09 HK HK57080A patent/HK57080A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2649184A1 (en) | 1977-05-12 |
| JPS5253466A (en) | 1977-04-30 |
| IT1073766B (en) | 1985-04-17 |
| CA1072747A (en) | 1980-03-04 |
| FR2330051A1 (en) | 1977-05-27 |
| BR7607176A (en) | 1977-09-13 |
| GB1556222A (en) | 1979-11-21 |
| JPS605916B2 (en) | 1985-02-14 |
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