FR2151391A5 - - Google Patents

Info

Publication number
FR2151391A5
FR2151391A5 FR7230245A FR7230245A FR2151391A5 FR 2151391 A5 FR2151391 A5 FR 2151391A5 FR 7230245 A FR7230245 A FR 7230245A FR 7230245 A FR7230245 A FR 7230245A FR 2151391 A5 FR2151391 A5 FR 2151391A5
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR7230245A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs 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 Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Application granted granted Critical
Publication of FR2151391A5 publication Critical patent/FR2151391A5/fr
Expired legal-status Critical Current

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)
FR7230245A 1971-08-24 1972-08-24 Expired FR2151391A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2142332A DE2142332C2 (en) 1971-08-24 1971-08-24 Mechanical filter and method of making the filter

Publications (1)

Publication Number Publication Date
FR2151391A5 true FR2151391A5 (en) 1973-04-13

Family

ID=5817620

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7230245A Expired FR2151391A5 (en) 1971-08-24 1972-08-24

Country Status (8)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1437288A (en) * 1973-06-11 1976-05-26 Kokusai Electric Co Ltd Mechanical filter
JPS5512254B2 (en) * 1973-07-03 1980-03-31
JPS5528021Y2 (en) * 1973-08-04 1980-07-04
JPS5645223Y2 (en) * 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 (en) * 1977-07-01 1979-01-26 Telecommunications Sa ELECTROMECHANICAL FILTERS IMPROVEMENTS
DE2729839C3 (en) * 1977-07-01 1981-03-26 Siemens AG, 1000 Berlin und 8000 München Carrier-frequency communication system with pre-modulation

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 (en) * 1957-04-06 1961-03-02 Telefunken Gmbh Mechanical frequency filter
NL233996A (en) * 1957-12-12
DE1541975C3 (en) * 1967-05-12 1975-03-06 Siemens Ag, 1000 Berlin U. 8000 Muenchen Electromechanical belt filter
CH491545A (en) * 1968-05-29 1970-05-31 Siemens Ag Electromechanical 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
US3808563A (en) 1974-04-30
SE382726B (en) 1976-02-09
IL40139A (en) 1975-06-25
GB1394289A (en) 1975-05-14
DE2142332A1 (en) 1973-03-01
DE2142332C2 (en) 1983-07-14
IT963927B (en) 1974-01-21
IL40139A0 (en) 1972-10-29
JPS4830841A (en) 1973-04-23

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Legal Events

Date Code Title Description
ST Notification of lapse