GB658899A - Improvements in or relating to mounting arrangements for piezo-electric crystal plates - Google Patents
Improvements in or relating to mounting arrangements for piezo-electric crystal platesInfo
- Publication number
- GB658899A GB658899A GB1078949A GB1078949A GB658899A GB 658899 A GB658899 A GB 658899A GB 1078949 A GB1078949 A GB 1078949A GB 1078949 A GB1078949 A GB 1078949A GB 658899 A GB658899 A GB 658899A
- Authority
- GB
- United Kingdom
- Prior art keywords
- piezo
- electric crystal
- joined
- disc
- plates
- 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
- H03H9/10—Mounting in enclosures
- H03H9/1007—Mounting in enclosures for bulk acoustic wave [BAW] devices
Abstract
658,899. Piezo-electric crystal mountings MARCONI'S WIRELESS TELEGRAPH CO.' Ltd. April 22, 1949, No. 10789. [Class 40 (viii)] A set of piezo-electric crystal plates C1, C2, C3 are loosely supported by the engagement of their lower electrode-free corners in slots formed between fingers F in a V-shaped metal sheet S, carried on a mica disc D1. The upper edges of the plates are located by a mica disc D3, which is joined by supporting rods R to disc D1 and to a third mica disc D2. Electrode coatings such as LC1 comprise a central part joined by a neck to one corner of the plate. The several neck parts are brought to different corners to facilitate spacing the leads W which are connected to the rods R and taken out at T, through the envelope E. In a modification, the supporting slots do not reach the edge of sheet S so that the fingers F are joined at their outer ends by a marginal strip which is bent up parallel to the edges of the crystals, Fig. 5 (not shown).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1078949A GB658899A (en) | 1949-04-22 | 1949-04-22 | Improvements in or relating to mounting arrangements for piezo-electric crystal plates |
| FR992029D FR992029A (en) | 1949-04-22 | 1949-08-08 | Improvements to piezoelectric quartz supports |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1078949A GB658899A (en) | 1949-04-22 | 1949-04-22 | Improvements in or relating to mounting arrangements for piezo-electric crystal plates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB658899A true GB658899A (en) | 1951-10-17 |
Family
ID=9974286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1078949A Expired GB658899A (en) | 1949-04-22 | 1949-04-22 | Improvements in or relating to mounting arrangements for piezo-electric crystal plates |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR992029A (en) |
| GB (1) | GB658899A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2820911A (en) * | 1952-02-14 | 1958-01-21 | Klingsporn Kurt | Piezoelectric crystal resonator support |
| DE970658C (en) * | 1952-02-14 | 1958-10-16 | Kristall Verarbeitung Neckarbi | Holder for oscillating crystals |
-
1949
- 1949-04-22 GB GB1078949A patent/GB658899A/en not_active Expired
- 1949-08-08 FR FR992029D patent/FR992029A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2820911A (en) * | 1952-02-14 | 1958-01-21 | Klingsporn Kurt | Piezoelectric crystal resonator support |
| DE970658C (en) * | 1952-02-14 | 1958-10-16 | Kristall Verarbeitung Neckarbi | Holder for oscillating crystals |
Also Published As
| Publication number | Publication date |
|---|---|
| FR992029A (en) | 1951-10-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB548517A (en) | Piezoelectric crystal apparatus | |
| GB411851A (en) | Improvements in and relating to sound or like air wave echo apparatus | |
| JPS5323589A (en) | Crystal vibrator | |
| GB658899A (en) | Improvements in or relating to mounting arrangements for piezo-electric crystal plates | |
| JPS5291669A (en) | Piezoelectric vibrator | |
| GB471465A (en) | Improvements in or relating to piezo electric crystal devices | |
| GB836630A (en) | Improvements in or relating to mounting arrangements for piezo-electric crystals | |
| GB533204A (en) | Piezoelectric apparatus | |
| GB555779A (en) | Improvements in the mounting of piezo-electric elements | |
| JPS5412542A (en) | Elastic surface wave unit | |
| GB477344A (en) | Improvements in or relating to mounting arrangements for piezo-electric crystals | |
| GB598729A (en) | Improvements in or relating to cloches for horticulturtal and like purposes | |
| GB279595A (en) | Improvements in mounting piezo-electric crystals | |
| US2709226A (en) | Hermetically sealed crystal unit having a variable air gap | |
| GB699355A (en) | Improvements in the mounting of sealed windows forming electrically resonant apertures | |
| GB559502A (en) | Improvements relating to the manufacture of electrodes for use with piezo-electric crystals | |
| GB625188A (en) | Improvements in or relating to the mounting of piezo-electric crystals | |
| GB682171A (en) | Improvements in and relating to apparatus controlled by piezo-electric crystals | |
| JPS5679515A (en) | Edge mode ceramic resonator | |
| GB671875A (en) | Mounts for electron discharge devices | |
| JPS5312220A (en) | Non-linearlity correction unit for horizontal deflection circuit | |
| GB578955A (en) | Improvements in the mounting of piezo-electric crystals | |
| GB638697A (en) | Improvements in trays | |
| GB431758A (en) | Diaphragm arrangement | |
| GB422724A (en) | Improvements in loudspeakers |