HK49677A - Alarm clock - Google Patents
Alarm clockInfo
- Publication number
- HK49677A HK49677A HK496/77A HK49677A HK49677A HK 49677 A HK49677 A HK 49677A HK 496/77 A HK496/77 A HK 496/77A HK 49677 A HK49677 A HK 49677A HK 49677 A HK49677 A HK 49677A
- Authority
- HK
- Hong Kong
- Prior art keywords
- alarm clock
- alarm
- clock
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C17/00—Indicating the time optically by electric means
- G04C17/0075—Indicating the time optically by electric means by drums or drum-like devices
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C21/00—Producing acoustic time signals by electrical means
- G04C21/16—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times
- G04C21/18—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times by mechanically unlocking an electromechanical vibrator, e.g. actuated by the leakage flux of the electric driving means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
- Electric Clocks (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US391781A US3875737A (en) | 1973-08-27 | 1973-08-27 | Alarm clock timer |
Publications (1)
Publication Number | Publication Date |
---|---|
HK49677A true HK49677A (en) | 1977-09-30 |
Family
ID=23547920
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK496/77A HK49677A (en) | 1973-08-27 | 1977-09-22 | Alarm clock |
HK402/79A HK40279A (en) | 1973-08-27 | 1979-06-21 | Alarm clock |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK402/79A HK40279A (en) | 1973-08-27 | 1979-06-21 | Alarm clock |
Country Status (7)
Country | Link |
---|---|
US (1) | US3875737A (xx) |
JP (1) | JPS5046366A (xx) |
CH (2) | CH37774A4 (xx) |
DE (1) | DE2400742A1 (xx) |
FR (1) | FR2242720B1 (xx) |
GB (2) | GB1455857A (xx) |
HK (2) | HK49677A (xx) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5248451U (xx) * | 1975-10-02 | 1977-04-06 | ||
US4057957A (en) * | 1976-04-08 | 1977-11-15 | Matsushita Electric Works, Ltd. | Alarm device of clocks |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US460751A (en) * | 1891-10-06 | Wilhelm madel | ||
US313656A (en) * | 1885-03-10 | Alarm-clock | ||
US2459107A (en) * | 1940-12-03 | 1949-01-11 | Casco Products Corp | Drum type indicator alarm clock |
US2583794A (en) * | 1949-06-14 | 1952-01-29 | Gen Electric | Twenty-four-hour alarm clock |
FR1026191A (fr) * | 1949-09-17 | 1953-04-24 | Junghans Geb Ag | Appareil pour la mesure du temps avec dispositif de déclenchement et en particulier, réveille-matin |
US2646659A (en) * | 1951-10-17 | 1953-07-28 | Bruce O Bower | Automatic alarm reset mechanism |
US2789410A (en) * | 1954-08-28 | 1957-04-23 | Tavannes Watch Co Sa | Alarm time-piece |
US2946182A (en) * | 1957-03-25 | 1960-07-26 | Gen Electric | Alarm clock control mechanism |
US3495396A (en) * | 1966-12-10 | 1970-02-17 | Sankyo Seiki Seisakusho Kk | Numerically indicating timekeeper and timer |
US3440814A (en) * | 1967-12-18 | 1969-04-29 | Gen Time Corp | Electric clock alarm system |
DE2004077C3 (de) * | 1970-01-30 | 1981-07-02 | Kieninger & Obergfell Fabrik für technische Laufwerke und Apparate, 7742 St. Georgen | Uhr mit Weckeinrichtung |
US3636699A (en) * | 1970-07-17 | 1972-01-25 | Gen Electric | Digital alarm clock |
-
1973
- 1973-08-27 US US391781A patent/US3875737A/en not_active Expired - Lifetime
- 1973-11-14 GB GB5294773A patent/GB1455857A/en not_active Expired
- 1973-11-14 GB GB2453376A patent/GB1455860A/en not_active Expired
-
1974
- 1974-01-08 DE DE2400742A patent/DE2400742A1/de not_active Withdrawn
- 1974-01-11 CH CH37774D patent/CH37774A4/xx unknown
- 1974-01-11 CH CH37774A patent/CH585430B5/xx not_active IP Right Cessation
- 1974-01-17 FR FR7401606A patent/FR2242720B1/fr not_active Expired
- 1974-06-26 JP JP49073785A patent/JPS5046366A/ja active Pending
-
1977
- 1977-09-22 HK HK496/77A patent/HK49677A/xx unknown
-
1979
- 1979-06-21 HK HK402/79A patent/HK40279A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE2400742A1 (de) | 1975-03-06 |
US3875737A (en) | 1975-04-08 |
FR2242720A1 (xx) | 1975-03-28 |
HK40279A (en) | 1979-06-29 |
CH37774A4 (xx) | 1976-08-13 |
GB1455860A (en) | 1976-11-17 |
GB1455857A (en) | 1976-11-17 |
FR2242720B1 (xx) | 1977-09-23 |
JPS5046366A (xx) | 1975-04-25 |
CH585430B5 (xx) | 1977-02-28 |
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