GB1309222A - Control apparatus for an electric timepiece - Google Patents
Control apparatus for an electric timepieceInfo
- Publication number
- GB1309222A GB1309222A GB171171A GB171171A GB1309222A GB 1309222 A GB1309222 A GB 1309222A GB 171171 A GB171171 A GB 171171A GB 171171 A GB171171 A GB 171171A GB 1309222 A GB1309222 A GB 1309222A
- Authority
- GB
- United Kingdom
- Prior art keywords
- reed
- electric
- piezo
- crystal
- crystals
- 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.)
- Expired
Links
- 235000014676 Phragmites communis Nutrition 0.000 abstract 11
- 239000013078 crystal Substances 0.000 abstract 7
- 239000000696 magnetic material Substances 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- 101000653791 Bos taurus Protein S100-A12 Proteins 0.000 abstract 1
- 244000089486 Phragmites australis subsp australis Species 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 230000010355 oscillation Effects 0.000 abstract 1
- 239000004033 plastic Substances 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
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
- G04C3/08—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 mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically
- G04C3/12—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 mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by piezoelectric means; driven by magneto-strictive means
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C11/00—Synchronisation of independently-driven clocks
- G04C11/002—Synchronisation of independently-driven clocks by changing the driving speed
-
- 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
- G04C3/16—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating an electro-dynamic continuously rotating motor
- G04C3/165—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating an electro-dynamic continuously rotating motor comprising a mechanical regulating device influencing the electromotor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH61770A CH524184A (de) | 1970-01-16 | 1970-01-16 | Einrichtung zum Antrieb eines zeithaltenden elektrischen Geräts, insbesondere einer Kleinuhr |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1309222A true GB1309222A (en) | 1973-03-07 |
Family
ID=4191168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB171171A Expired GB1309222A (en) | 1970-01-16 | 1971-01-13 | Control apparatus for an electric timepiece |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3726080A (enExample) |
| CH (2) | CH61770A4 (enExample) |
| DE (1) | DE2064181A1 (enExample) |
| FR (1) | FR2076130B1 (enExample) |
| GB (1) | GB1309222A (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH685660B5 (fr) * | 1992-09-09 | 1996-03-15 | Asulab Sa | Piece d'horlogerie pourvue de moyens d'entraînement formes par un moteur piezo-electrique. |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1151427A (fr) * | 1955-06-18 | 1958-01-30 | Durowe Deutsche Uhren Rohwerke | Système oscillant commandé sans contacts |
| US3129370A (en) * | 1960-12-20 | 1964-04-14 | United Aircraft Corp | Induction speed governor |
| CH421832A (fr) * | 1962-12-19 | 1966-06-15 | Toko Radio Coil Kenkyusho Kk | Vibreur électrique à flexion, destiné à actionner le rouage d'une pièce d'horlogerie |
| CH460649A (fr) * | 1964-03-04 | 1968-03-29 | Ceppi Georges | Dispositif d'entraînement du rouage d'une pièce d'horlogerie |
| US3470433A (en) * | 1965-08-12 | 1969-09-30 | Kienzle Uhrenfabriken Gmbh | Constant speed clock motor |
| FR1505391A (fr) * | 1966-06-28 | 1967-12-15 | Hatot Leon Ets | Perfectionnements aux vibreurs à flexion et aux oscillateurs électromécaniques comportant de tels vibreurs |
-
1970
- 1970-01-16 CH CH61770D patent/CH61770A4/xx unknown
- 1970-01-16 CH CH61770A patent/CH524184A/de not_active IP Right Cessation
- 1970-12-29 DE DE19702064181 patent/DE2064181A1/de active Pending
-
1971
- 1971-01-11 FR FR717100661A patent/FR2076130B1/fr not_active Expired
- 1971-01-13 GB GB171171A patent/GB1309222A/en not_active Expired
- 1971-01-14 US US00106360A patent/US3726080A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CH61770A4 (enExample) | 1972-02-29 |
| CH524184A (de) | 1972-02-29 |
| FR2076130A1 (enExample) | 1971-10-15 |
| FR2076130B1 (enExample) | 1974-03-01 |
| US3726080A (en) | 1973-04-10 |
| DE2064181A1 (de) | 1971-07-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |