FR926631A - Assemblies for frequency determining devices - Google Patents
Assemblies for frequency determining devicesInfo
- Publication number
- FR926631A FR926631A FR926631DA FR926631A FR 926631 A FR926631 A FR 926631A FR 926631D A FR926631D A FR 926631DA FR 926631 A FR926631 A FR 926631A
- Authority
- FR
- France
- Prior art keywords
- assemblies
- frequency determining
- determining devices
- devices
- frequency
- 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
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
- H03H9/02—Details
- H03H9/05—Holders; Supports
- H03H9/09—Elastic or damping supports
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US545847A US2399908A (en) | 1944-07-20 | 1944-07-20 | Frequency determining unit |
Publications (1)
Publication Number | Publication Date |
---|---|
FR926631A true FR926631A (en) | 1947-10-07 |
Family
ID=24177786
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR926631D Expired FR926631A (en) | 1944-07-20 | 1946-03-20 | Assemblies for frequency determining devices |
Country Status (5)
Country | Link |
---|---|
US (1) | US2399908A (en) |
BE (1) | BE460643A (en) |
CH (1) | CH256673A (en) |
FR (1) | FR926631A (en) |
GB (1) | GB596012A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2482451A (en) * | 1945-06-07 | 1949-09-20 | Reeves Hoffman Corp | Piezoelectric crystal holder |
US2497966A (en) * | 1946-01-26 | 1950-02-21 | Reeves Hoffman Corp | Crystal holder |
DE1766158B1 (en) * | 1968-04-11 | 1972-05-25 | Matsushita Electric Ind Co Ltd | PIEZOELECTRIC CERAMIC RESONATOR UNIT |
-
0
- BE BE460643D patent/BE460643A/xx unknown
-
1944
- 1944-07-20 US US545847A patent/US2399908A/en not_active Expired - Lifetime
-
1945
- 1945-07-13 GB GB17956/45A patent/GB596012A/en not_active Expired
- 1945-07-20 CH CH256673D patent/CH256673A/en unknown
-
1946
- 1946-03-20 FR FR926631D patent/FR926631A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE460643A (en) | |
US2399908A (en) | 1946-05-07 |
GB596012A (en) | 1947-12-24 |
CH256673A (en) | 1948-08-31 |
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