NL178380B - Piezo-elektrisch filter. - Google Patents

Piezo-elektrisch filter.

Info

Publication number
NL178380B
NL178380B NL7402388A NL7402388A NL178380B NL 178380 B NL178380 B NL 178380B NL 7402388 A NL7402388 A NL 7402388A NL 7402388 A NL7402388 A NL 7402388A NL 178380 B NL178380 B NL 178380B
Authority
NL
Netherlands
Prior art keywords
piezo electric
electric filter
filter
piezo
electric
Prior art date
Application number
NL7402388A
Other languages
English (en)
Other versions
NL178380C (nl
NL7402388A (nl
Inventor
Jan Adrianus Bezemer
Original Assignee
Nederlanden Staat
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 Nederlanden Staat filed Critical Nederlanden Staat
Priority to NL7402388A priority Critical patent/NL178380C/nl
Priority to DE19752506408 priority patent/DE2506408C2/de
Priority to GB671675A priority patent/GB1504333A/en
Priority to SE7501802A priority patent/SE407651B/xx
Priority to FR7505171A priority patent/FR2262443B1/fr
Priority to JP2043675A priority patent/JPS50120237A/ja
Publication of NL7402388A publication Critical patent/NL7402388A/nl
Publication of NL178380B publication Critical patent/NL178380B/nl
Application granted granted Critical
Publication of NL178380C publication Critical patent/NL178380C/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
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/542—Filters comprising resonators of piezoelectric or electrostrictive material including passive elements

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
NL7402388A 1974-02-21 1974-02-21 Piezo-elektrisch filter. NL178380C (nl)

Priority Applications (6)

Application Number Priority Date Filing Date Title
NL7402388A NL178380C (nl) 1974-02-21 1974-02-21 Piezo-elektrisch filter.
DE19752506408 DE2506408C2 (de) 1974-02-21 1975-02-15 Filterkette
GB671675A GB1504333A (en) 1974-02-21 1975-02-17 Filter chain
SE7501802A SE407651B (sv) 1974-02-21 1975-02-18 Filterkedja
FR7505171A FR2262443B1 (nl) 1974-02-21 1975-02-19
JP2043675A JPS50120237A (nl) 1974-02-21 1975-02-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7402388A NL178380C (nl) 1974-02-21 1974-02-21 Piezo-elektrisch filter.

Publications (3)

Publication Number Publication Date
NL7402388A NL7402388A (nl) 1975-08-25
NL178380B true NL178380B (nl) 1985-10-01
NL178380C NL178380C (nl) 1986-03-03

Family

ID=19820800

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7402388A NL178380C (nl) 1974-02-21 1974-02-21 Piezo-elektrisch filter.

Country Status (6)

Country Link
JP (1) JPS50120237A (nl)
DE (1) DE2506408C2 (nl)
FR (1) FR2262443B1 (nl)
GB (1) GB1504333A (nl)
NL (1) NL178380C (nl)
SE (1) SE407651B (nl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5297039U (nl) * 1976-01-17 1977-07-20

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3585537A (en) * 1969-02-10 1971-06-15 Bell Telephone Labor Inc Electric wave filters

Also Published As

Publication number Publication date
FR2262443B1 (nl) 1977-04-15
NL178380C (nl) 1986-03-03
DE2506408C2 (de) 1985-09-26
FR2262443A1 (nl) 1975-09-19
SE7501802A (nl) 1975-08-22
SE407651B (sv) 1979-04-02
SE7501802L (nl) 1975-08-22
JPS50120237A (nl) 1975-09-20
NL7402388A (nl) 1975-08-25
DE2506408A1 (de) 1975-08-28
GB1504333A (en) 1978-03-22

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Legal Events

Date Code Title Description
BC A request for examination has been filed
A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee