FR1188842A - Cristal piézo-électrique de forme allongée - Google Patents

Cristal piézo-électrique de forme allongée

Info

Publication number
FR1188842A
FR1188842A FR1188842DA FR1188842A FR 1188842 A FR1188842 A FR 1188842A FR 1188842D A FR1188842D A FR 1188842DA FR 1188842 A FR1188842 A FR 1188842A
Authority
FR
France
Prior art keywords
piezo crystal
elongated piezo
elongated
crystal
piezo
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1188842A publication Critical patent/FR1188842A/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
    • H03H9/46—Filters
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/542—Filters comprising resonators of piezoelectric or electrostrictive material including passive elements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
    • H03H9/19—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator consisting of quartz

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
FR1188842D 1956-12-21 1957-12-19 Cristal piézo-électrique de forme allongée Expired FR1188842A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL358126X 1956-12-21

Publications (1)

Publication Number Publication Date
FR1188842A true FR1188842A (fr) 1959-09-25

Family

ID=19785298

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1188842D Expired FR1188842A (fr) 1956-12-21 1957-12-19 Cristal piézo-électrique de forme allongée

Country Status (5)

Country Link
BE (1) BE563364A (fr)
CH (1) CH358126A (fr)
FR (1) FR1188842A (fr)
GB (1) GB874798A (fr)
NL (2) NL98667C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3423609A (en) * 1964-01-30 1969-01-21 Hewlett Packard Co Quartz crystal temperature transducer

Also Published As

Publication number Publication date
GB874798A (en) 1961-08-10
BE563364A (fr)
CH358126A (de) 1961-11-15
NL98667C (fr)
NL213217A (fr)

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