FR2274081A1 - MECHANICAL DIGITAL WATCH - Google Patents
MECHANICAL DIGITAL WATCHInfo
- Publication number
- FR2274081A1 FR2274081A1 FR7518085A FR7518085A FR2274081A1 FR 2274081 A1 FR2274081 A1 FR 2274081A1 FR 7518085 A FR7518085 A FR 7518085A FR 7518085 A FR7518085 A FR 7518085A FR 2274081 A1 FR2274081 A1 FR 2274081A1
- Authority
- FR
- France
- Prior art keywords
- hour
- disc
- minutes
- digital watch
- numerals
- 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
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B19/00—Indicating the time by visual means
- G04B19/20—Indicating by numbered bands, drums, discs, or sheets
- G04B19/202—Indicating by numbered bands, drums, discs, or sheets by means of turning discs
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
- Transmission Devices (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Control Of Electric Motors In General (AREA)
- Control Of Stepping Motors (AREA)
Abstract
A mechanical digital watch comprises a continuously rotating minute disc having the numerals 0 through 59 positioned consecutively about the periphery thereof and an hour disc having the hour numerals thereon which is driven by a cannon pinion through a Geneva drive pinion arrangement. The hour disc is stationary during approximately 54 minutes of each hour and rapidly shifts to the next digit between 3 minutes before each hour to 3 minutes past each hour. The time indicating discs are in gear engagement with each other which prevents them from falling out of synchronism with each other under shock.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00477731A US3854280A (en) | 1974-06-10 | 1974-06-10 | Mechanical digital watch |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2274081A1 true FR2274081A1 (en) | 1976-01-02 |
FR2274081B3 FR2274081B3 (en) | 1978-02-03 |
Family
ID=23897125
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7518085A Granted FR2274081A1 (en) | 1974-06-10 | 1975-06-10 | MECHANICAL DIGITAL WATCH |
Country Status (5)
Country | Link |
---|---|
US (1) | US3854280A (en) |
JP (1) | JPS518968A (en) |
CH (1) | CH613083B (en) |
DE (1) | DE2524414A1 (en) |
FR (1) | FR2274081A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3239217A1 (en) * | 1982-10-22 | 1984-04-26 | Wolfram 8019 Untereichhofen Müller | Dial rotation timepiece |
EP0218926A1 (en) * | 1985-09-27 | 1987-04-22 | Eta SA Fabriques d'Ebauches | Intermittent driving device for a time piece |
WO2019243943A1 (en) * | 2018-06-20 | 2019-12-26 | Patek Philippe Sa Geneve | Digital display for a timepiece |
CN114609881A (en) * | 2020-12-08 | 2022-06-10 | 蒙特雷布勒盖股份有限公司 | Timepiece display device on multiple levels |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4376996A (en) * | 1981-04-27 | 1983-03-15 | Timex Corporation | Thin stepping motor watch |
JPS5989394A (en) * | 1982-11-15 | 1984-05-23 | Hitachi Ltd | Lubricant composition for metal processing |
GB9601332D0 (en) * | 1996-01-23 | 1996-03-27 | Oudani Limani | New ways to tell the time |
EP1406131A1 (en) * | 2002-10-01 | 2004-04-07 | Manufacture Roger Dubuis S.A. | Mechanical device for the display of hours and minutes |
DE102009019335B4 (en) * | 2009-04-30 | 2011-01-13 | Lange Uhren Gmbh | Clock |
DE102014117436B3 (en) * | 2014-11-27 | 2015-11-05 | Lange Uhren Gmbh | Indexing means |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2633696A (en) * | 1944-11-22 | 1953-04-07 | Casco Products Corp | Cyclometer clock |
US3045418A (en) * | 1960-06-07 | 1962-07-24 | Ed Heuer & Co Sa | Time meter |
US3685283A (en) * | 1970-11-13 | 1972-08-22 | Joseph Bamat | Digital watch |
-
1974
- 1974-06-10 US US00477731A patent/US3854280A/en not_active Expired - Lifetime
-
1975
- 1975-06-03 DE DE19752524414 patent/DE2524414A1/en not_active Withdrawn
- 1975-06-03 CH CH714275A patent/CH613083B/en unknown
- 1975-06-10 FR FR7518085A patent/FR2274081A1/en active Granted
- 1975-06-10 JP JP50070122A patent/JPS518968A/ja active Pending
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3239217A1 (en) * | 1982-10-22 | 1984-04-26 | Wolfram 8019 Untereichhofen Müller | Dial rotation timepiece |
EP0218926A1 (en) * | 1985-09-27 | 1987-04-22 | Eta SA Fabriques d'Ebauches | Intermittent driving device for a time piece |
US4676659A (en) * | 1985-09-27 | 1987-06-30 | Eta Sa Fabriques D'ebauches | Intermittent driving arrangement for a time indicator |
CH661171GA3 (en) * | 1985-09-27 | 1987-07-15 | ||
WO2019243943A1 (en) * | 2018-06-20 | 2019-12-26 | Patek Philippe Sa Geneve | Digital display for a timepiece |
CN114609881A (en) * | 2020-12-08 | 2022-06-10 | 蒙特雷布勒盖股份有限公司 | Timepiece display device on multiple levels |
EP4012508A1 (en) * | 2020-12-08 | 2022-06-15 | Montres Breguet S.A. | Device for timepiece display on several levels |
CN114609881B (en) * | 2020-12-08 | 2024-03-19 | 蒙特雷布勒盖股份有限公司 | Timepiece display device on multiple levels |
Also Published As
Publication number | Publication date |
---|---|
US3854280A (en) | 1974-12-17 |
DE2524414A1 (en) | 1975-12-18 |
JPS518968A (en) | 1976-01-24 |
CH613083GA3 (en) | 1979-09-14 |
CH613083B (en) | |
FR2274081B3 (en) | 1978-02-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |