FR950531A - Appareils à cristaux piézo-électriques - Google Patents

Appareils à cristaux piézo-électriques

Info

Publication number
FR950531A
FR950531A FR950531DA FR950531A FR 950531 A FR950531 A FR 950531A FR 950531D A FR950531D A FR 950531DA FR 950531 A FR950531 A FR 950531A
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
Application number
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of FR950531A publication Critical patent/FR950531A/fr
Expired legal-status Critical Current

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)
FR950531D 1942-12-31 1947-07-30 Appareils à cristaux piézo-électriques Expired FR950531A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US470759A US2371613A (en) 1942-12-31 1942-12-31 Piezoelectric crystal apparatus

Publications (1)

Publication Number Publication Date
FR950531A true FR950531A (fr) 1949-09-29

Family

ID=23868917

Family Applications (1)

Application Number Title Priority Date Filing Date
FR950531D Expired FR950531A (fr) 1942-12-31 1947-07-30 Appareils à cristaux piézo-électriques

Country Status (3)

Country Link
US (1) US2371613A (fr)
BE (1) BE476137A (fr)
FR (1) FR950531A (fr)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR861808A (fr) * 1939-08-02 1941-02-18 Materiel Telephonique éléments piezo-électriques
US2474241A (en) * 1945-06-29 1949-06-28 Standard Telephones Cables Ltd Piezoelectric crystal structure
US2702885A (en) * 1946-04-17 1955-02-22 Shapiro Herbert Supersonic delay line
US2502970A (en) * 1946-10-11 1950-04-04 Western Electric Co Electrical device
GB634450A (en) * 1947-09-17 1950-03-22 Automatic Telephone & Elect Improvements in or relating to mounting arrangements for piezo electric crystals
US2608745A (en) * 1948-06-30 1952-09-02 Bell Telephone Labor Inc Soldering apparatus for piezoelectric crystals
US2546321A (en) * 1949-02-12 1951-03-27 Bell Telephone Labor Inc Piezoelectric crystal apparatus
US2597797A (en) * 1949-04-19 1952-05-20 James Knights Company Crystal holder
US2559494A (en) * 1949-04-29 1951-07-03 Rca Corp Piezoelectric crystal holder
US2656473A (en) * 1950-05-24 1953-10-20 Bell Telephone Labor Inc Crystal unit for use at high temperatures
US2697047A (en) * 1950-09-14 1954-12-14 Bell Telephone Labor Inc Method of providing a spot of silver on a piezoelectric crystal
US2771561A (en) * 1952-03-17 1956-11-20 Pye Ltd Quartz crystal units
NL97839C (fr) * 1953-06-15
US2824981A (en) * 1954-11-03 1958-02-25 Walter J Warden Piezoelectric crystal holder
US2965773A (en) * 1957-12-31 1960-12-20 Hill Electronic Engineering An Crystal mounting structure with damping means
US3046423A (en) * 1958-10-09 1962-07-24 Bliley Electric Company High shock and vibration resistant piezoelectric crystal units
US3054915A (en) * 1959-03-16 1962-09-18 Hill Electronics Inc Mount for piezo-electric crystal
US3119172A (en) * 1959-05-15 1964-01-28 Jerome J M Mazenko Method of making an electrical connection
GB973990A (en) * 1962-04-19 1964-11-04 Philips Electronic Associated Improvements in or relating to methods of providing contacts on semiconductor ceramic bodies of n-type oxidic material
CH499819A (de) * 1969-01-13 1970-06-30 Centre Electron Horloger Vorrichtung zum Aufhängen von Biegeschwingern in Zeitmessgeräten
CH581405A5 (fr) * 1974-03-29 1976-10-29 Suisse Horlogerie
US6111338A (en) * 1993-05-28 2000-08-29 Matsushita Electric Industrial Co., Ltd. Acceleration sensor and method for producing the same
US7851970B2 (en) * 2006-12-22 2010-12-14 The Charles Stark Draper Laboratory, Inc. Structures for crystal packaging including flexible membranes
US8484823B2 (en) * 2009-08-28 2013-07-16 The Charles Stark Draper Laboratory, Inc. Methods and apparatus for mounting a crystal

Also Published As

Publication number Publication date
US2371613A (en) 1945-03-20
BE476137A (fr)

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