FR2491272B1 - PIEZOELECTRIC FILTER WITH INTEGRATED CHARGE RESISTORS AND MANUFACTURING METHOD - Google Patents

PIEZOELECTRIC FILTER WITH INTEGRATED CHARGE RESISTORS AND MANUFACTURING METHOD

Info

Publication number
FR2491272B1
FR2491272B1 FR8020916A FR8020916A FR2491272B1 FR 2491272 B1 FR2491272 B1 FR 2491272B1 FR 8020916 A FR8020916 A FR 8020916A FR 8020916 A FR8020916 A FR 8020916A FR 2491272 B1 FR2491272 B1 FR 2491272B1
Authority
FR
France
Prior art keywords
manufacturing
piezoelectric filter
integrated charge
charge resistors
resistors
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
FR8020916A
Other languages
French (fr)
Other versions
FR2491272A1 (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR8020916A priority Critical patent/FR2491272B1/en
Publication of FR2491272A1 publication Critical patent/FR2491272A1/en
Application granted granted Critical
Publication of FR2491272B1 publication Critical patent/FR2491272B1/en
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
    • H03H9/56—Monolithic crystal filters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
FR8020916A 1980-09-30 1980-09-30 PIEZOELECTRIC FILTER WITH INTEGRATED CHARGE RESISTORS AND MANUFACTURING METHOD Expired FR2491272B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8020916A FR2491272B1 (en) 1980-09-30 1980-09-30 PIEZOELECTRIC FILTER WITH INTEGRATED CHARGE RESISTORS AND MANUFACTURING METHOD

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8020916A FR2491272B1 (en) 1980-09-30 1980-09-30 PIEZOELECTRIC FILTER WITH INTEGRATED CHARGE RESISTORS AND MANUFACTURING METHOD

Publications (2)

Publication Number Publication Date
FR2491272A1 FR2491272A1 (en) 1982-04-02
FR2491272B1 true FR2491272B1 (en) 1987-11-27

Family

ID=9246416

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8020916A Expired FR2491272B1 (en) 1980-09-30 1980-09-30 PIEZOELECTRIC FILTER WITH INTEGRATED CHARGE RESISTORS AND MANUFACTURING METHOD

Country Status (1)

Country Link
FR (1) FR2491272B1 (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3633134A (en) * 1969-10-10 1972-01-04 Motorola Inc Crystal band pass filter circuit

Also Published As

Publication number Publication date
FR2491272A1 (en) 1982-04-02

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Legal Events

Date Code Title Description
ST Notification of lapse