CH554109A - Mechanisches band-filter mit elektromechanischen wandlern fuer tiefe tonfrequenzen. - Google Patents

Mechanisches band-filter mit elektromechanischen wandlern fuer tiefe tonfrequenzen.

Info

Publication number
CH554109A
CH554109A CH2673A CH2673A CH554109A CH 554109 A CH554109 A CH 554109A CH 2673 A CH2673 A CH 2673A CH 2673 A CH2673 A CH 2673A CH 554109 A CH554109 A CH 554109A
Authority
CH
Switzerland
Prior art keywords
band filter
low sound
sound frequencies
electromechanical converters
mechanical band
Prior art date
Application number
CH2673A
Other languages
English (en)
Original Assignee
Landis & Gyr Ag
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 Landis & Gyr Ag filed Critical Landis & Gyr Ag
Priority to CH2673A priority Critical patent/CH554109A/de
Priority to DE19732305287 priority patent/DE2305287A1/de
Priority to NL7306057A priority patent/NL7306057A/xx
Publication of CH554109A publication Critical patent/CH554109A/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46—Filters

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
CH2673A 1973-01-02 1973-01-02 Mechanisches band-filter mit elektromechanischen wandlern fuer tiefe tonfrequenzen. CH554109A (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CH2673A CH554109A (de) 1973-01-02 1973-01-02 Mechanisches band-filter mit elektromechanischen wandlern fuer tiefe tonfrequenzen.
DE19732305287 DE2305287A1 (de) 1973-01-02 1973-01-31 Elektromechanisches band-filter mit elektromechanischen wandlern fuer tiefe tonfrequenzen
NL7306057A NL7306057A (de) 1973-01-02 1973-05-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH2673A CH554109A (de) 1973-01-02 1973-01-02 Mechanisches band-filter mit elektromechanischen wandlern fuer tiefe tonfrequenzen.

Publications (1)

Publication Number Publication Date
CH554109A true CH554109A (de) 1974-09-13

Family

ID=4177680

Family Applications (1)

Application Number Title Priority Date Filing Date
CH2673A CH554109A (de) 1973-01-02 1973-01-02 Mechanisches band-filter mit elektromechanischen wandlern fuer tiefe tonfrequenzen.

Country Status (3)

Country Link
CH (1) CH554109A (de)
DE (1) DE2305287A1 (de)
NL (1) NL7306057A (de)

Also Published As

Publication number Publication date
DE2305287B2 (de) 1975-04-03
NL7306057A (de) 1974-07-04
DE2305287A1 (de) 1974-07-11

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Legal Events

Date Code Title Description
PL Patent ceased