IT963927B - Filtro meccanico e procedimento per la fabbricazione del filtro - Google Patents

Filtro meccanico e procedimento per la fabbricazione del filtro

Info

Publication number
IT963927B
IT963927B IT28085/72A IT2808572A IT963927B IT 963927 B IT963927 B IT 963927B IT 28085/72 A IT28085/72 A IT 28085/72A IT 2808572 A IT2808572 A IT 2808572A IT 963927 B IT963927 B IT 963927B
Authority
IT
Italy
Prior art keywords
filter
procedure
manufacturing
mechanical
mechanical filter
Prior art date
Application number
IT28085/72A
Other languages
English (en)
Original Assignee
Licentia Gmbh
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 Licentia Gmbh filed Critical Licentia Gmbh
Application granted granted Critical
Publication of IT963927B publication Critical patent/IT963927B/it

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
    • H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
    • H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/42—Piezoelectric device making

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
IT28085/72A 1971-08-24 1972-08-10 Filtro meccanico e procedimento per la fabbricazione del filtro IT963927B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2142332A DE2142332C2 (de) 1971-08-24 1971-08-24 Mechanisches Filter und Verfahren zur Herstellung des Filters

Publications (1)

Publication Number Publication Date
IT963927B true IT963927B (it) 1974-01-21

Family

ID=5817620

Family Applications (1)

Application Number Title Priority Date Filing Date
IT28085/72A IT963927B (it) 1971-08-24 1972-08-10 Filtro meccanico e procedimento per la fabbricazione del filtro

Country Status (8)

Country Link
US (1) US3808563A (it)
JP (1) JPS4830841A (it)
DE (1) DE2142332C2 (it)
FR (1) FR2151391A5 (it)
GB (1) GB1394289A (it)
IL (1) IL40139A (it)
IT (1) IT963927B (it)
SE (1) SE382726B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3931600A (en) * 1973-06-11 1976-01-06 Kokusai Electric Co., Ltd. Mechanical filter
JPS5512254B2 (it) * 1973-07-03 1980-03-31
JPS5528021Y2 (it) * 1973-08-04 1980-07-04
JPS5645223Y2 (it) * 1975-04-19 1981-10-22
JPS53105032A (en) * 1977-02-25 1978-09-12 Hazama Gumi Method of excavating subbase using high pressure water jet
FR2396456A1 (fr) * 1977-07-01 1979-01-26 Telecommunications Sa Perfectionnements aux filtres electromecaniques
DE2729839C3 (de) * 1977-07-01 1981-03-26 Siemens AG, 1000 Berlin und 8000 München Trägerfrequentes Nachrichtenübertragungssystem mit Vormodulation

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2647949A (en) * 1949-10-27 1953-08-04 Rca Corp Adjustable tuning for mechanical resonators
US2870521A (en) * 1955-02-24 1959-01-27 Gulton Ind Inc Method of adjusting the resonant frequency of a vibrating system
US2845697A (en) * 1957-03-11 1958-08-05 Zenith Radio Corp Method of manufacturing a longitudinal mode mechanical vibrator
DE1100834B (de) * 1957-04-06 1961-03-02 Telefunken Gmbh Mechanisches Frequenzfilter
NL233996A (it) * 1957-12-12
DE1541975C3 (de) * 1967-05-12 1975-03-06 Siemens Ag, 1000 Berlin U. 8000 Muenchen Elektromechanisches Bandfilter
CH491545A (de) * 1968-05-29 1970-05-31 Siemens Ag Elektromechanisches Filter
US3717828A (en) * 1971-04-07 1973-02-20 N Arleevskaya Multisection electromechanical band pass filter with resonators and transducers mechanically connected together and to the filter baseplate

Also Published As

Publication number Publication date
GB1394289A (en) 1975-05-14
JPS4830841A (it) 1973-04-23
DE2142332A1 (de) 1973-03-01
SE382726B (sv) 1976-02-09
IL40139A (en) 1975-06-25
DE2142332C2 (de) 1983-07-14
IL40139A0 (en) 1972-10-29
FR2151391A5 (it) 1973-04-13
US3808563A (en) 1974-04-30

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