GB625533A - Improvements in piezoelectric crystal apparatus - Google Patents
Improvements in piezoelectric crystal apparatusInfo
- Publication number
- GB625533A GB625533A GB21774/47A GB2177447A GB625533A GB 625533 A GB625533 A GB 625533A GB 21774/47 A GB21774/47 A GB 21774/47A GB 2177447 A GB2177447 A GB 2177447A GB 625533 A GB625533 A GB 625533A
- Authority
- GB
- United Kingdom
- Prior art keywords
- frame
- electrode
- crystal
- spring
- hinged
- 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
- 239000013078 crystal Substances 0.000 title abstract 7
- 239000011810 insulating material Substances 0.000 abstract 1
- MOFOBJHOKRNACT-UHFFFAOYSA-N nickel silver Chemical compound [Ni].[Ag] MOFOBJHOKRNACT-UHFFFAOYSA-N 0.000 abstract 1
- 239000010956 nickel silver Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/05—Holders or supports
- H03H9/09—Elastic or damping supports
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
- H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
- H03H3/02—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks
- H03H3/04—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks for obtaining desired frequency or temperature coefficient
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US409370A US2319357A (en) | 1941-09-03 | 1941-09-03 | Variable air-gap crystal holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB625533A true GB625533A (en) | 1949-06-29 |
Family
ID=23620184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB21774/47A Expired GB625533A (en) | 1941-09-03 | 1947-08-07 | Improvements in piezoelectric crystal apparatus |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2319357A (enrdf_load_stackoverflow) |
| FR (1) | FR948694A (enrdf_load_stackoverflow) |
| GB (1) | GB625533A (enrdf_load_stackoverflow) |
| NL (1) | NL65447C (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2427825A (en) * | 1943-11-06 | 1947-09-23 | Rca Corp | Art of mounting piezoelectric crystals |
-
0
- NL NL65447D patent/NL65447C/xx active
-
1941
- 1941-09-03 US US409370A patent/US2319357A/en not_active Expired - Lifetime
-
1947
- 1947-07-01 FR FR948694D patent/FR948694A/fr not_active Expired
- 1947-08-07 GB GB21774/47A patent/GB625533A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2319357A (en) | 1943-05-18 |
| NL65447C (enrdf_load_stackoverflow) | |
| FR948694A (fr) | 1949-08-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES195463U (es) | Una disposicion de cristal piezoelectrico. | |
| GB625533A (en) | Improvements in piezoelectric crystal apparatus | |
| GB955334A (en) | Improvements in or relating to electrode dies for heat sealing thermoplastic materials | |
| GB534767A (en) | Improvements in or relating to piezo electric crystal mountings | |
| ES323708A1 (es) | Un sistema que constituye un electrodo emisor para precipitadores electricos. | |
| US2329321A (en) | Piezoelectric device | |
| GB836630A (en) | Improvements in or relating to mounting arrangements for piezo-electric crystals | |
| US2076060A (en) | Piezoelectric crystal holder | |
| US2392993A (en) | Pressure mounted quartz oscillator | |
| US1908320A (en) | Piezo-electric crystal holder | |
| GB533731A (en) | Supporting means for piezoelectric plates | |
| GB498340A (en) | Improvements in or relating to piezo-electric crystal holders | |
| GB560536A (en) | Improvements relating to piezo-electric crystal holders | |
| GB596719A (en) | Improvements in or relating to piezo-electric crystal holders | |
| GB533946A (en) | Improvements in holders for piezo-electric crystals | |
| GB544668A (en) | Improvements in piezo-electric crystal arrangements | |
| GB279595A (en) | Improvements in mounting piezo-electric crystals | |
| ES79415U (es) | Interruptor eléctrico perfeccionado | |
| GB532782A (en) | Improvements in holders for electro-mechanical resonators | |
| GB548492A (en) | Improvements relating to electromagnetic relays | |
| GB544834A (en) | Piezoelectric crystal apparatus | |
| GB621702A (en) | Improvements in or relating to the mounting of electrical components | |
| GB578955A (en) | Improvements in the mounting of piezo-electric crystals | |
| ES38274U (es) | Espejo retrovisor perfeccionado de orientación múltiple | |
| FR2272390A1 (en) | Transportable polariscope for stress determination - uses linearly polarised light source and polarised inspection glasses |