FR950530A - Piezoelectric crystal apparatus - Google Patents
Piezoelectric crystal apparatusInfo
- Publication number
- FR950530A FR950530A FR950530DA FR950530A FR 950530 A FR950530 A FR 950530A FR 950530D A FR950530D A FR 950530DA FR 950530 A FR950530 A FR 950530A
- Authority
- FR
- France
- Prior art keywords
- piezoelectric crystal
- crystal apparatus
- piezoelectric
- crystal
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/42—Piezoelectric device making
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Electroplating Methods And Accessories (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US528388A US2392429A (en) | 1944-03-28 | 1944-03-28 | Piezoelectric crystal apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
FR950530A true FR950530A (en) | 1949-09-29 |
Family
ID=24105487
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR950530D Expired FR950530A (en) | 1944-03-28 | 1947-07-30 | Piezoelectric crystal apparatus |
Country Status (5)
Country | Link |
---|---|
US (1) | US2392429A (en) |
CH (1) | CH269634A (en) |
FR (1) | FR950530A (en) |
GB (1) | GB630394A (en) |
NL (2) | NL133060B (en) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE462051A (en) * | 1944-11-21 | |||
BE476120A (en) * | 1945-01-23 | |||
US2447160A (en) * | 1945-10-22 | 1948-08-17 | Philips Lab Inc | Piezoelectric apparatus |
US2482661A (en) * | 1946-08-15 | 1949-09-20 | Rca Corp | Crystal mounting |
US2508232A (en) * | 1947-02-13 | 1950-05-16 | Reeves Hoffman Corp | Holder for piezoelectric oscillators |
US2484428A (en) * | 1947-07-15 | 1949-10-11 | Melvin L Smith | Piezoelectric crystal mounting |
US2481806A (en) * | 1947-08-07 | 1949-09-13 | John M Wolfskill | Piezoelectric crystal holder |
US2635199A (en) * | 1948-01-08 | 1953-04-14 | John M Wolfskill | Piezoelectric crystal apparatus |
US2656473A (en) * | 1950-05-24 | 1953-10-20 | Bell Telephone Labor Inc | Crystal unit for use at high temperatures |
US2824980A (en) * | 1952-03-14 | 1958-02-25 | Erie Resistor Corp | Piezoelectric transducers |
US2765765A (en) * | 1952-09-03 | 1956-10-09 | Robert R Bigler | Apparatus for the manufacture of piezoelectric crystals |
US2850651A (en) * | 1954-03-02 | 1958-09-02 | P R Hoffman Company | Piezoelectric crystal support |
US2894317A (en) * | 1954-06-07 | 1959-07-14 | Spence T Marks | Method for constructing a barium titanate blast velocity gauge |
US2824981A (en) * | 1954-11-03 | 1958-02-25 | Walter J Warden | Piezoelectric crystal holder |
US2824219A (en) * | 1954-11-08 | 1958-02-18 | Midland Mfg Co Inc | Piezoelectric crystal assembly |
US2852416A (en) * | 1955-06-03 | 1958-09-16 | Itt | Method and apparatus for manufacturing travelling wave electron discharge devices |
US2856549A (en) * | 1955-06-06 | 1958-10-14 | Int Standard Electric Corp | Method of mounting piezo-electric crystals |
US2972068A (en) * | 1956-07-06 | 1961-02-14 | Automation Instr Inc | Uni-directional ultrasonic transducer |
US3054004A (en) * | 1957-06-24 | 1962-09-11 | Vitro Corp Of America | Piezoelectric crystal holder |
GB848028A (en) * | 1957-12-24 | 1960-09-14 | Marconi Wireless Telegraph Co | Improvements in or relating to piezo-electric crystal units |
US2965773A (en) * | 1957-12-31 | 1960-12-20 | Hill Electronic Engineering An | Crystal mounting structure with damping means |
US3069572A (en) * | 1958-12-02 | 1962-12-18 | James Knights Company | Piezoelectric device |
DE1158127B (en) * | 1959-02-26 | 1963-11-28 | Kristallverarbeitung Neckarbis | Base plate with power supply for a vacuum-tight quartz vessel |
US3162780A (en) * | 1961-04-10 | 1964-12-22 | Philips Corp | Piezo-electrical quartz crystal in evacuated glass housings |
US3232787A (en) * | 1961-05-08 | 1966-02-01 | Donald C Bennett | Bistable magnetic film and method for making same |
US3333122A (en) * | 1964-01-09 | 1967-07-25 | Motorola Inc | Electrical device |
US3317761A (en) * | 1964-05-12 | 1967-05-02 | Bell Telephone Labor Inc | Resonant and antiresonant vibratory members attached to a crystal |
US3340410A (en) * | 1964-08-05 | 1967-09-05 | Wave Lock Inc | Piezoelectric crystal assembly |
US3617331A (en) * | 1964-08-25 | 1971-11-02 | Optical Coating Laboratory Inc | Method for manufacture of rotatable variable filter |
US3676741A (en) * | 1970-12-09 | 1972-07-11 | Bell Telephone Labor Inc | Semiconductor target structure for image converting device comprising an array of silver contacts having discontinuous nodular structure |
US4284663A (en) * | 1976-05-10 | 1981-08-18 | Bell Telephone Laboratories, Incorporated | Fabrication of optical waveguides by indiffusion of metals |
US4060888A (en) * | 1976-06-29 | 1977-12-06 | Tyco Filters Division, Inc. | Method of improving ohmic contact through high-resistance oxide film |
DE8120939U1 (en) * | 1981-07-16 | 1981-11-26 | SIEMENS AG AAAAA, 1000 Berlin und 8000 München | HOLDING AND CONNECTING DEVICE FOR A DISC-SHAPED PIEZOELECTRIC RESONATOR |
GB2132816B (en) * | 1982-12-23 | 1987-09-03 | Kung Chao Tung | Quartz oscillators |
US5283496A (en) * | 1988-07-20 | 1994-02-01 | Asahi Dempa Co., Ltd. | Thickness shear crystal resonator and manufacturing method therefor |
CN103368458B (en) * | 2012-11-30 | 2016-01-20 | 北京纳米能源与系统研究所 | Impulse generator and generating set |
US9941641B1 (en) * | 2017-06-01 | 2018-04-10 | Amphenol East Asia Electronic Technology (Shen Zhen) Co., Ltd. | Male connector |
-
0
- NL NL72090D patent/NL72090C/xx active
- NL NL133060D patent/NL133060B/xx unknown
-
1944
- 1944-03-28 US US528388A patent/US2392429A/en not_active Expired - Lifetime
-
1947
- 1947-06-18 CH CH269634D patent/CH269634A/en unknown
- 1947-07-30 FR FR950530D patent/FR950530A/en not_active Expired
- 1947-08-01 GB GB20992/47A patent/GB630394A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB630394A (en) | 1949-10-12 |
NL72090C (en) | |
NL133060B (en) | |
US2392429A (en) | 1946-01-08 |
CH269634A (en) | 1950-07-15 |
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