GB2268847B - Composite longitudinal vibration mechanical filter and method of manufacturing same - Google Patents

Composite longitudinal vibration mechanical filter and method of manufacturing same

Info

Publication number
GB2268847B
GB2268847B GB9313398A GB9313398A GB2268847B GB 2268847 B GB2268847 B GB 2268847B GB 9313398 A GB9313398 A GB 9313398A GB 9313398 A GB9313398 A GB 9313398A GB 2268847 B GB2268847 B GB 2268847B
Authority
GB
United Kingdom
Prior art keywords
longitudinal vibration
manufacturing same
mechanical filter
vibration mechanical
composite longitudinal
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 - Fee Related
Application number
GB9313398A
Other versions
GB9313398D0 (en
GB2268847A (en
Inventor
Kazuo Yamashita
Yoshihiko Takeuchi
Masahiro Watanabe
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.)
Japan Radio Co Ltd
Nihon Musen KK
Original Assignee
Japan Radio Co Ltd
Nihon Musen KK
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
Priority claimed from JP1247398A external-priority patent/JPH0624308B2/en
Priority claimed from JP1247399A external-priority patent/JPH0624301B2/en
Priority claimed from JP1247397A external-priority patent/JPH03108810A/en
Priority claimed from JP1247396A external-priority patent/JPH0666633B2/en
Priority claimed from JP1269810A external-priority patent/JPH0648772B2/en
Priority claimed from JP26980789A external-priority patent/JP3167703B2/en
Priority claimed from JP26980989A external-priority patent/JP3197009B2/en
Priority claimed from JP1269808A external-priority patent/JPH0648773B2/en
Application filed by Japan Radio Co Ltd, Nihon Musen KK filed Critical Japan Radio Co Ltd
Priority claimed from GB9004598A external-priority patent/GB2238194A/en
Publication of GB9313398D0 publication Critical patent/GB9313398D0/en
Publication of GB2268847A publication Critical patent/GB2268847A/en
Publication of GB2268847B publication Critical patent/GB2268847B/en
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H03H9/02—Details
    • H03H9/05—Holders; Supports
    • H03H9/09—Elastic or damping supports
    • 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
    • H03H9/48—Coupling means therefor
    • H03H9/50—Mechanical coupling means

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
GB9313398A 1989-09-21 1990-03-01 Composite longitudinal vibration mechanical filter and method of manufacturing same Expired - Fee Related GB2268847B (en)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP1247398A JPH0624308B2 (en) 1989-09-21 1989-09-21 Composite longitudinal vibration mechanical filter
JP1247396A JPH0666633B2 (en) 1989-09-21 1989-09-21 Composite longitudinal vibration mechanical filter
JP1247397A JPH03108810A (en) 1989-09-21 1989-09-21 Composite longitudinal vibration mechanical filter
JP1247399A JPH0624301B2 (en) 1989-09-21 1989-09-21 Method for manufacturing composite longitudinal vibration mechanical filter
JP26980789A JP3167703B2 (en) 1989-10-16 1989-10-16 Composite longitudinal vibration mechanical filter
JP26980989A JP3197009B2 (en) 1989-10-16 1989-10-16 Manufacturing method of composite longitudinal vibration mechanical filter
JP1269808A JPH0648773B2 (en) 1989-10-16 1989-10-16 Composite longitudinal vibration mechanical filter
JP1269810A JPH0648772B2 (en) 1989-10-16 1989-10-16 Method for manufacturing composite longitudinal vibration mechanical filter
GB9004598A GB2238194A (en) 1989-09-21 1990-03-01 Composite longitudinal vibration mechanical filter and method of manufacturing same

Publications (3)

Publication Number Publication Date
GB9313398D0 GB9313398D0 (en) 1993-08-11
GB2268847A GB2268847A (en) 1994-01-19
GB2268847B true GB2268847B (en) 1994-05-11

Family

ID=27576327

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9313398A Expired - Fee Related GB2268847B (en) 1989-09-21 1990-03-01 Composite longitudinal vibration mechanical filter and method of manufacturing same

Country Status (1)

Country Link
GB (1) GB2268847B (en)

Also Published As

Publication number Publication date
GB9313398D0 (en) 1993-08-11
GB2268847A (en) 1994-01-19

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee