AU3202771A - Crystal filter - Google Patents

Crystal filter

Info

Publication number
AU3202771A
AU3202771A AU32027/71A AU3202771A AU3202771A AU 3202771 A AU3202771 A AU 3202771A AU 32027/71 A AU32027/71 A AU 32027/71A AU 3202771 A AU3202771 A AU 3202771A AU 3202771 A AU3202771 A AU 3202771A
Authority
AU
Australia
Prior art keywords
crystal filter
crystal
filter
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
AU32027/71A
Other versions
AU434108B2 (en
Inventor
Rechtman Braun Arthur
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 AU3202771A publication Critical patent/AU3202771A/en
Publication of AU434108B2 publication Critical patent/AU434108B2/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
    • H03H9/566—Electric coupling means therefor

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)
AU32027/71A 1971-08-05 Crystal filter Expired AU434108B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6320470A 1970-08-12 1970-08-12

Publications (2)

Publication Number Publication Date
AU3202771A true AU3202771A (en) 1973-02-08
AU434108B2 AU434108B2 (en) 1973-02-08

Family

ID=

Also Published As

Publication number Publication date
CA925967A (en) 1973-05-08
SE361800B (en) 1973-11-12
NL7111061A (en) 1972-02-15
GB1363918A (en) 1974-08-21
DE2139218A1 (en) 1972-02-17
US3656180A (en) 1972-04-11
JPS5116093B1 (en) 1976-05-21
BE771051A (en) 1971-12-16
DE2139218C3 (en) 1974-12-19
FR2104192A5 (en) 1972-04-14
ES394607A1 (en) 1975-04-01
NL162523B (en) 1979-12-17
NL162523C (en) 1980-05-16
DE2139218B2 (en) 1974-05-09

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