CH21315A - Advanced motor device for watches and clocks and marine chronometers - Google Patents
Advanced motor device for watches and clocks and marine chronometersInfo
- Publication number
- CH21315A CH21315A CH21315A CH21315DA CH21315A CH 21315 A CH21315 A CH 21315A CH 21315 A CH21315 A CH 21315A CH 21315D A CH21315D A CH 21315DA CH 21315 A CH21315 A CH 21315A
- Authority
- CH
- Switzerland
- Prior art keywords
- watches
- clocks
- motor device
- advanced motor
- chronometers
- Prior art date
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
- G04B1/00—Driving mechanisms
- G04B1/10—Driving mechanisms with mainspring
- G04B1/22—Compensation of changes in the motive power of the mainspring
- G04B1/225—Compensation of changes in the motive power of the mainspring with the aid of an interposed power-accumulator (secondary spring) which is always tensioned
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH21315T | 1900-02-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH21315A true CH21315A (en) | 1901-06-30 |
Family
ID=4226593
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH21315A CH21315A (en) | 1900-02-28 | 1900-02-28 | Advanced motor device for watches and clocks and marine chronometers |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH21315A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1528443A1 (en) * | 2003-10-28 | 2005-05-04 | Francois-Paul Journe | Constant force mechanism for a watch |
-
1900
- 1900-02-28 CH CH21315A patent/CH21315A/en unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1528443A1 (en) * | 2003-10-28 | 2005-05-04 | Francois-Paul Journe | Constant force mechanism for a watch |
US6948845B2 (en) | 2003-10-28 | 2005-09-27 | Journe Francois-Paul | Mechanical timepiece |
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