NL175774C - Elektro-mechanisch filter met tussengelegen, parallel geschakelde resonatoren. - Google Patents

Elektro-mechanisch filter met tussengelegen, parallel geschakelde resonatoren.

Info

Publication number
NL175774C
NL175774C NLAANVRAGE7502066,A NL7502066A NL175774C NL 175774 C NL175774 C NL 175774C NL 7502066 A NL7502066 A NL 7502066A NL 175774 C NL175774 C NL 175774C
Authority
NL
Netherlands
Prior art keywords
electro
mechanical filter
parallel switched
intermediate parallel
resonators
Prior art date
Application number
NLAANVRAGE7502066,A
Other languages
English (en)
Dutch (nl)
Other versions
NL175774B (nl
NL7502066A (nl
Original Assignee
Nippon Electric Co
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 Nippon Electric Co filed Critical Nippon Electric Co
Publication of NL7502066A publication Critical patent/NL7502066A/xx
Publication of NL175774B publication Critical patent/NL175774B/xx
Application granted granted Critical
Publication of NL175774C publication Critical patent/NL175774C/xx

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
    • H03H9/70—Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
    • H03H9/703—Networks using bulk acoustic wave devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H2250/00—Indexing scheme relating to dual- or multi-band filters

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
NLAANVRAGE7502066,A 1974-02-28 1975-02-21 Elektro-mechanisch filter met tussengelegen, parallel geschakelde resonatoren. NL175774C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49024538A JPS50124551A (fr) 1974-02-28 1974-02-28

Publications (3)

Publication Number Publication Date
NL7502066A NL7502066A (nl) 1975-09-01
NL175774B NL175774B (nl) 1984-07-16
NL175774C true NL175774C (nl) 1984-12-17

Family

ID=12140915

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7502066,A NL175774C (nl) 1974-02-28 1975-02-21 Elektro-mechanisch filter met tussengelegen, parallel geschakelde resonatoren.

Country Status (4)

Country Link
US (1) US3949326A (fr)
JP (1) JPS50124551A (fr)
DE (1) DE2507185C3 (fr)
NL (1) NL175774C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1125644B (it) * 1978-11-13 1986-05-14 Fujitsu Ltd Filtro meccanico

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3440572A (en) * 1966-05-27 1969-04-22 Collins Radio Co Mechanical filter section with envelope delay compensation characteristic
US3725828A (en) * 1972-03-13 1973-04-03 Collins Radio Co Asymmetrical loss-pole mechanical filter

Also Published As

Publication number Publication date
JPS50124551A (fr) 1975-09-30
DE2507185C3 (de) 1978-03-30
DE2507185A1 (de) 1975-09-11
NL175774B (nl) 1984-07-16
US3949326A (en) 1976-04-06
NL7502066A (nl) 1975-09-01
DE2507185B2 (de) 1977-08-18

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Owner name: NEC CORPORATION

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