FR2349160A1 - Battery-operated pendulum clock - has permanent magnet cooperating with inductive coil to maintain pendulum movement - Google Patents
Battery-operated pendulum clock - has permanent magnet cooperating with inductive coil to maintain pendulum movementInfo
- Publication number
- FR2349160A1 FR2349160A1 FR7713134A FR7713134A FR2349160A1 FR 2349160 A1 FR2349160 A1 FR 2349160A1 FR 7713134 A FR7713134 A FR 7713134A FR 7713134 A FR7713134 A FR 7713134A FR 2349160 A1 FR2349160 A1 FR 2349160A1
- Authority
- FR
- France
- Prior art keywords
- pendulum
- permanent magnet
- clock
- battery
- operated
- 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
- G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
- G04C3/02—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a pendulum
-
- 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
- G04B45/00—Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects
- G04B45/0038—Figures or parts thereof moved by the clockwork
- G04B45/0053—Figures or parts thereof moved by the clockwork with oscillating motion in hanging or standing clockworks such as imitation of a real pendulum
Abstract
The battery-operated pendulum clock has a permanent magnet, facing the upper part of the pendulum, cooperating with an inductive coilfixed to a conductive plate. The current through the coil provides a magnetic field which via the permanent magnet maintains the pendulum oscillations. The pendulum pref. comprises a balanced pendulum arm, with a weight at its lower end counter-balanced by the clock housing fixed to the other end of the pendulum arm. The conductive plate carrying the inductive coil is fixed to the rear of the clock housing above the oscillation axis of the pendulum, facing the permanent magnet which is fixed to the wall mounting supporting the clock.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19762617759 DE2617759A1 (en) | 1976-04-23 | 1976-04-23 | BATTERY MOVEMENT WITH A TWO-MASS PENDULUM |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2349160A1 true FR2349160A1 (en) | 1977-11-18 |
FR2349160B3 FR2349160B3 (en) | 1980-04-11 |
Family
ID=5976002
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7713134A Granted FR2349160A1 (en) | 1976-04-23 | 1977-04-22 | Battery-operated pendulum clock - has permanent magnet cooperating with inductive coil to maintain pendulum movement |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2617759A1 (en) |
FR (1) | FR2349160A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6093982U (en) * | 1983-12-01 | 1985-06-26 | 富士計器株式会社 | total swing clock |
DE102006006872A1 (en) * | 2006-02-15 | 2007-08-16 | Klaus Litkiewicz | Clock movement for a clock with moving eyes comprises an integrated electronic pendulum drive for driving a pendulum above the clock movement |
-
1976
- 1976-04-23 DE DE19762617759 patent/DE2617759A1/en not_active Withdrawn
-
1977
- 1977-04-22 FR FR7713134A patent/FR2349160A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2617759A1 (en) | 1977-11-10 |
FR2349160B3 (en) | 1980-04-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |