IT567576A - - Google Patents
Info
- Publication number
- IT567576A IT567576A IT567576DA IT567576A IT 567576 A IT567576 A IT 567576A IT 567576D A IT567576D A IT 567576DA IT 567576 A IT567576 A IT 567576A
- Authority
- IT
- Italy
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/24—Constructional features of resonators of material which is not piezoelectric, electrostrictive, or magnetostrictive
-
- 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
- G04C3/10—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 electromagnetic means
- G04C3/101—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 electromagnetic means constructional details
- G04C3/107—Controlling frequency or amplitude of the oscillating system
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Electric Clocks (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US615329A US3070951A (en) | 1956-10-11 | 1956-10-11 | Frequency-adjustable tuning fork type vibrator for an electrically energized timepiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT567576A true IT567576A (xx) |
Family
ID=24464902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT567576D IT567576A (xx) | 1956-10-11 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3070951A (xx) |
| CA (1) | CA577140A (xx) |
| DE (1) | DE1049314B (xx) |
| FR (1) | FR1218410A (xx) |
| GB (1) | GB828357A (xx) |
| IT (1) | IT567576A (xx) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3202848A (en) * | 1961-01-19 | 1965-08-24 | Bulova Watch Co Inc | Tuning fork frequency adjuster |
| DE1254089B (de) * | 1962-10-31 | 1967-11-09 | United States Time Corp | Antriebsanordnung zum Antreiben eines Zahnrades eines zeithaltenden Geraetes |
| US3322016A (en) * | 1963-06-24 | 1967-05-30 | Jeco Kk | Added mass type circular tuning fork |
| US6617576B1 (en) | 2001-03-02 | 2003-09-09 | Monitor Instruments Company, Llc | Cycloidal mass spectrometer with time of flight characteristics and associated method |
| US6624410B1 (en) | 2002-02-25 | 2003-09-23 | Monitor Instruments Company, Llc | Cycloidal mass spectrometer |
| US6815674B1 (en) | 2003-06-03 | 2004-11-09 | Monitor Instruments Company, Llc | Mass spectrometer and related ionizer and methods |
| CN115838112B (zh) * | 2023-02-21 | 2023-05-02 | 中铁建工集团第二建设有限公司 | 一种建筑吊装装置及其使用方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1560056A (en) * | 1923-05-01 | 1925-11-03 | Western Electric Co | Source of waves of constant frequency |
| FR767359A (fr) * | 1933-04-10 | 1934-07-17 | Appareil horaire synchrone | |
| US2015410A (en) * | 1934-02-05 | 1935-09-24 | Continental Oil Co | Vibrating system |
| US2036917A (en) * | 1934-03-06 | 1936-04-07 | Favre-Bulle Maurice Philippe | Electric timepiece |
| US2411444A (en) * | 1942-07-13 | 1946-11-19 | Maistre Marcel | Balance wheel |
| US2433160A (en) * | 1945-09-06 | 1947-12-23 | Honeywell Regulator Co | Tuning fork construction |
-
0
- DE DENDAT1049314D patent/DE1049314B/de active Pending
- CA CA577140A patent/CA577140A/en not_active Expired
- IT IT567576D patent/IT567576A/it unknown
-
1956
- 1956-10-11 US US615329A patent/US3070951A/en not_active Expired - Lifetime
-
1957
- 1957-02-14 FR FR731735A patent/FR1218410A/fr not_active Expired
- 1957-03-20 GB GB9078/57A patent/GB828357A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1049314B (xx) | |
| FR1218410A (fr) | 1960-05-10 |
| GB828357A (en) | 1960-02-17 |
| US3070951A (en) | 1963-01-01 |
| CA577140A (en) | 1959-06-02 |