FR992029A - Perfectionnements aux supports pour quartz piezo-électriques - Google Patents

Perfectionnements aux supports pour quartz piezo-électriques

Info

Publication number
FR992029A
FR992029A FR992029DA FR992029A FR 992029 A FR992029 A FR 992029A FR 992029D A FR992029D A FR 992029DA FR 992029 A FR992029 A FR 992029A
Authority
FR
France
Prior art keywords
piezoelectric quartz
quartz supports
supports
piezoelectric
quartz
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi Co Ltd
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 Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Application granted granted Critical
Publication of FR992029A publication Critical patent/FR992029A/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 elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/05—Holders or supports
    • H03H9/10—Mounting in enclosures
    • H03H9/1007—Mounting in enclosures for bulk acoustic wave [BAW] devices

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
FR992029D 1949-04-22 1949-08-08 Perfectionnements aux supports pour quartz piezo-électriques Expired FR992029A (fr)

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
FR992029A true FR992029A (fr) 1951-10-12

Family

ID=9974286

Family Applications (1)

Application Number Title Priority Date Filing Date
FR992029D Expired FR992029A (fr) 1949-04-22 1949-08-08 Perfectionnements aux supports pour quartz piezo-électriques

Country Status (2)

Country Link
FR (1) FR992029A (fr)
GB (1) GB658899A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB720702A (en) * 1952-02-14 1954-12-22 Kristall Verarbeitung Neckarbi Piezoelectric crystal resonator support
DE970658C (de) * 1952-02-14 1958-10-16 Kristall Verarbeitung Neckarbi Halterung fuer Schwingquarze

Also Published As

Publication number Publication date
GB658899A (en) 1951-10-17

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