NL177873C - Electromechanisch tongfilter. - Google Patents

Electromechanisch tongfilter.

Info

Publication number
NL177873C
NL177873C NLAANVRAGE7808859,A NL7808859A NL177873C NL 177873 C NL177873 C NL 177873C NL 7808859 A NL7808859 A NL 7808859A NL 177873 C NL177873 C NL 177873C
Authority
NL
Netherlands
Prior art keywords
electromechanical
tongue filter
tongue
filter
electromechanical tongue
Prior art date
Application number
NLAANVRAGE7808859,A
Other languages
English (en)
Other versions
NL7808859A (nl
NL177873B (nl
Original Assignee
Matsushita Electric Ind 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
Priority claimed from JP1973085107U external-priority patent/JPS578248Y2/ja
Priority claimed from JP1973119990U external-priority patent/JPS5714411Y2/ja
Priority claimed from NL7409796.A external-priority patent/NL158666B/nl
Application filed by Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Priority to NLAANVRAGE7808859,A priority Critical patent/NL177873C/nl
Publication of NL7808859A publication Critical patent/NL7808859A/nl
Publication of NL177873B publication Critical patent/NL177873B/nl
Application granted granted Critical
Publication of NL177873C publication Critical patent/NL177873C/nl

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
    • H03H9/48—Coupling means therefor
    • H03H9/50—Mechanical coupling means
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
NLAANVRAGE7808859,A 1973-07-20 1978-08-28 Electromechanisch tongfilter. NL177873C (nl)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NLAANVRAGE7808859,A NL177873C (nl) 1973-07-20 1978-08-28 Electromechanisch tongfilter.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP1973085107U JPS578248Y2 (nl) 1973-07-20 1973-07-20
JP1973119990U JPS5714411Y2 (nl) 1973-10-15 1973-10-15
NL7409796.A NL158666B (nl) 1973-07-20 1974-07-19 Elektromechanisch tongfilter.
NLAANVRAGE7808859,A NL177873C (nl) 1973-07-20 1978-08-28 Electromechanisch tongfilter.

Publications (3)

Publication Number Publication Date
NL7808859A NL7808859A (nl) 1978-12-29
NL177873B NL177873B (nl) 1985-07-01
NL177873C true NL177873C (nl) 1985-12-02

Family

ID=27304766

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7808859,A NL177873C (nl) 1973-07-20 1978-08-28 Electromechanisch tongfilter.

Country Status (1)

Country Link
NL (1) NL177873C (nl)

Also Published As

Publication number Publication date
NL7808859A (nl) 1978-12-29
NL177873B (nl) 1985-07-01

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Legal Events

Date Code Title Description
V4 Lapsed because of reaching the maximum lifetime of a patent