JPS55129787A - Time announcement mechanism for clock - Google Patents
Time announcement mechanism for clockInfo
- Publication number
- JPS55129787A JPS55129787A JP3697979A JP3697979A JPS55129787A JP S55129787 A JPS55129787 A JP S55129787A JP 3697979 A JP3697979 A JP 3697979A JP 3697979 A JP3697979 A JP 3697979A JP S55129787 A JPS55129787 A JP S55129787A
- Authority
- JP
- Japan
- Prior art keywords
- announcement
- time
- clock
- locking lever
- contact
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C21/00—Producing acoustic time signals by electrical means
- G04C21/04—Indicating the time of the day
- G04C21/12—Indicating the time of the day by electro-acoustic means
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
Abstract
PURPOSE:To enable the alarm announcement time with high accuracy, by closing the contact unit only when the both of the hour cam wheel and one minute cam wheel can close the contact unit, so that the announcement operation of electric announciator can be made. CONSTITUTION:In synchronizing with the revolution of clock wheel train, the switching operation of the contact 10 is controlled at specified announcement time and the numbering mechanism is provided to the time announcement machainsm to obtain the time announcement in response to this announcement time. The number of time knocks is set corresponding to the announcement time by controlling the number of revolutions of motor. The locking lever 28 is borne flexible on the shaft 30 fixed to the clock bearing plate, and the projection 32 formed at one end is extended so that it can be suitable coupled with the rack gear 34a of the comb gear 34. This locking lever 28 is energized always toward the arrow B direction with the pring 35, and the depression section 36 of circular arc shape is provided so that it can be coupled with the moving contact plate 10a.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3697979A JPS55129787A (en) | 1979-03-30 | 1979-03-30 | Time announcement mechanism for clock |
US06/056,468 US4247933A (en) | 1978-07-20 | 1979-07-11 | Time striking device for timepiece |
DE2929091A DE2929091C3 (en) | 1978-07-20 | 1979-07-18 | Electric timing mechanism for a watch |
GB7925439A GB2031619B (en) | 1978-07-20 | 1979-07-20 | Chiming device for timepieces |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3697979A JPS55129787A (en) | 1979-03-30 | 1979-03-30 | Time announcement mechanism for clock |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55129787A true JPS55129787A (en) | 1980-10-07 |
JPS6212865B2 JPS6212865B2 (en) | 1987-03-20 |
Family
ID=12484863
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3697979A Granted JPS55129787A (en) | 1978-07-20 | 1979-03-30 | Time announcement mechanism for clock |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55129787A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS548971U (en) * | 1977-06-21 | 1979-01-20 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5179922A (en) * | 1975-01-07 | 1976-07-12 | Mitsui Constr | SUJIKAIKINCHOSOCHI |
-
1979
- 1979-03-30 JP JP3697979A patent/JPS55129787A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS548971U (en) * | 1977-06-21 | 1979-01-20 |
Also Published As
Publication number | Publication date |
---|---|
JPS6212865B2 (en) | 1987-03-20 |
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