CH243725A - Device with a mechanical oscillating system that can be set into oscillation by electrical means. - Google Patents
Device with a mechanical oscillating system that can be set into oscillation by electrical means.Info
- Publication number
- CH243725A CH243725A CH243725DA CH243725A CH 243725 A CH243725 A CH 243725A CH 243725D A CH243725D A CH 243725DA CH 243725 A CH243725 A CH 243725A
- Authority
- CH
- Switzerland
- Prior art keywords
- oscillation
- electrical means
- oscillating system
- mechanical oscillating
- mechanical
- Prior art date
Links
- 230000010355 oscillation Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/48—Coupling means therefor
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Jigging Conveyors (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH602145X | 1944-12-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH243725A true CH243725A (en) | 1946-07-31 |
Family
ID=4522814
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH243725D CH243725A (en) | 1944-12-13 | 1944-12-13 | Device with a mechanical oscillating system that can be set into oscillation by electrical means. |
Country Status (3)
Country | Link |
---|---|
US (1) | US2594749A (en) |
CH (1) | CH243725A (en) |
GB (1) | GB602145A (en) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3011111A (en) * | 1961-11-28 | Electro-mechanical oscillators | ||
US2786941A (en) * | 1952-01-29 | 1957-03-26 | Matthias Hohner Ag | Oscillating circuit for audio frequency generators |
US2753173A (en) * | 1952-09-17 | 1956-07-03 | Sperry Rand Corp | Turn rate measuring instrument |
US2852725A (en) * | 1954-11-05 | 1958-09-16 | Clifford Cecil Frank | Electrically-maintained vibratory oscillator |
US2939971A (en) * | 1956-10-22 | 1960-06-07 | Gyrex Corp | Mechanical vibratory unit |
US3127775A (en) * | 1960-10-28 | 1964-04-07 | Gyrex Corp | Vibratory rate gyroscope |
US3150337A (en) * | 1961-02-27 | 1964-09-22 | Armec Corp | Electro-mechanical resonant device |
FR1363530A (en) * | 1963-06-12 | 1964-06-12 | Hatot Leon Ets | Improvements to medium and low frequency electromechanical oscillators |
CH1135065A4 (en) * | 1965-08-12 | 1969-08-29 | ||
CH481412A (en) * | 1966-09-26 | 1969-07-31 | Straumann Inst Ag | Oscillators for timing devices |
DE1613176B2 (en) * | 1967-02-03 | 1972-02-17 | Kienzle Uhrenfabriken Gmbh, 7220 Schwenningen | CONSTANT SPEED MOTOR AS FREQUENCY STANDARD OF A TIME HOLDING ELECTRIC DEVICE |
FR96012E (en) * | 1967-02-03 | 1972-05-19 | ||
JPS4818198Y1 (en) * | 1969-01-23 | 1973-05-24 | ||
US4162876A (en) * | 1976-01-28 | 1979-07-31 | Erwin Kolfertz | Electromagnetically driven diaphragm pump |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1882395A (en) * | 1927-12-31 | 1932-10-11 | George W Pierce | Frequency indicator |
US1781513A (en) * | 1928-05-15 | 1930-11-11 | Ets Edouard Belin | Electrical tuning fork |
US1909414A (en) * | 1928-06-16 | 1933-05-16 | American Telephone & Telegraph | Tuning fork generator |
US1838502A (en) * | 1930-10-30 | 1931-12-29 | J C Deagan Inc | Vibrant bar for musical instruments |
US2008263A (en) * | 1931-11-11 | 1935-07-16 | Rca Corp | Frequency control means |
US1912343A (en) * | 1932-01-23 | 1933-05-30 | Western Union Telegraph Co | Tuning fork temperature compensation and frequency adjustment |
US2175237A (en) * | 1935-07-02 | 1939-10-10 | James Van Fleet | Vibratory electric motor |
US2259131A (en) * | 1939-05-05 | 1941-10-14 | Gen Electric | Vibrator |
US2247960A (en) * | 1939-07-07 | 1941-07-01 | Bell Telephone Labor Inc | Tuning fork |
-
1944
- 1944-12-13 CH CH243725D patent/CH243725A/en unknown
-
1945
- 1945-12-10 US US634040A patent/US2594749A/en not_active Expired - Lifetime
- 1945-12-13 GB GB33819/45A patent/GB602145A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB602145A (en) | 1948-05-20 |
US2594749A (en) | 1952-04-29 |
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