BE476137A - - Google Patents

Info

Publication number
BE476137A
BE476137A BE476137DA BE476137A BE 476137 A BE476137 A BE 476137A BE 476137D A BE476137D A BE 476137DA BE 476137 A BE476137 A BE 476137A
Authority
BE
Belgium
Application number
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.)
Publication of BE476137A publication Critical patent/BE476137A/xx

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)
BE476137D 1942-12-31 BE476137A (da)

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
BE476137A true BE476137A (da)

Family

ID=23868917

Family Applications (1)

Application Number Title Priority Date Filing Date
BE476137D BE476137A (da) 1942-12-31

Country Status (3)

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

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
NL187160B (nl) * 1953-06-15 American Cyanamid Co Werkwijze voor het bereiden van n-alkylanilinen.
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
CH40269A4 (da) * 1969-01-13 1970-06-30
CH581405A5 (da) * 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
FR950531A (fr) 1949-09-29
US2371613A (en) 1945-03-20

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