JPS52150949A - Filter unit - Google Patents

Filter unit

Info

Publication number
JPS52150949A
JPS52150949A JP6803776A JP6803776A JPS52150949A JP S52150949 A JPS52150949 A JP S52150949A JP 6803776 A JP6803776 A JP 6803776A JP 6803776 A JP6803776 A JP 6803776A JP S52150949 A JPS52150949 A JP S52150949A
Authority
JP
Japan
Prior art keywords
filter unit
attenuation
attenuation poles
poles
achieve
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.)
Pending
Application number
JP6803776A
Other languages
Japanese (ja)
Inventor
Yasuo Nakajima
Takashi Nagata
Kiyokazu Hagiwara
Teruo Kitani
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP6803776A priority Critical patent/JPS52150949A/en
Publication of JPS52150949A publication Critical patent/JPS52150949A/en
Pending 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
    • H03H9/58—Multiple crystal filters
    • H03H9/60—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)

Abstract

PURPOSE:To achieve a vertical oscillation and energy enclosure type multi-mode filter with a simple constitution, which can set many attenuation poles as well as obtain sufficient attenuation quantity near these attenuation poles.
JP6803776A 1976-06-09 1976-06-09 Filter unit Pending JPS52150949A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6803776A JPS52150949A (en) 1976-06-09 1976-06-09 Filter unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6803776A JPS52150949A (en) 1976-06-09 1976-06-09 Filter unit

Publications (1)

Publication Number Publication Date
JPS52150949A true JPS52150949A (en) 1977-12-15

Family

ID=13362187

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6803776A Pending JPS52150949A (en) 1976-06-09 1976-06-09 Filter unit

Country Status (1)

Country Link
JP (1) JPS52150949A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5432946A (en) * 1977-08-19 1979-03-10 Matsushita Electric Ind Co Ltd Video intermediate frequency filter of television receiver
JPS5477476U (en) * 1977-11-10 1979-06-01
JPS5480262U (en) * 1977-11-17 1979-06-07

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4831130A (en) * 1971-08-27 1973-04-24
JPS4852443A (en) * 1971-11-02 1973-07-23

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4831130A (en) * 1971-08-27 1973-04-24
JPS4852443A (en) * 1971-11-02 1973-07-23

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5432946A (en) * 1977-08-19 1979-03-10 Matsushita Electric Ind Co Ltd Video intermediate frequency filter of television receiver
JPS5477476U (en) * 1977-11-10 1979-06-01
JPS5814936Y2 (en) * 1977-11-10 1983-03-25 三菱電機株式会社 cleaner
JPS5480262U (en) * 1977-11-17 1979-06-07

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