FR815901A - Filtres d'ondes électro-mécaniques - Google Patents

Filtres d'ondes électro-mécaniques

Info

Publication number
FR815901A
FR815901A FR815901DA FR815901A FR 815901 A FR815901 A FR 815901A FR 815901D A FR815901D A FR 815901DA FR 815901 A FR815901 A FR 815901A
Authority
FR
France
Prior art keywords
electro
wave filters
mechanical wave
mechanical
filters
Prior art date
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
Other languages
English (en)
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR815901A publication Critical patent/FR815901A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
FR815901D 1935-08-13 1936-08-03 Filtres d'ondes électro-mécaniques Expired FR815901A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US35918A US2091250A (en) 1935-08-13 1935-08-13 Wave filter

Publications (1)

Publication Number Publication Date
FR815901A true FR815901A (fr) 1937-07-26

Family

ID=21885544

Family Applications (1)

Application Number Title Priority Date Filing Date
FR815901D Expired FR815901A (fr) 1935-08-13 1936-08-03 Filtres d'ondes électro-mécaniques

Country Status (3)

Country Link
US (1) US2091250A (fr)
DE (1) DE687871C (fr)
FR (1) FR815901A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2571019A (en) * 1948-04-30 1951-10-09 Rca Corp Electrical coupling system for magnetostrictive elements
US2552139A (en) * 1948-06-17 1951-05-08 Philco Corp Electrical system
US2652543A (en) * 1948-12-14 1953-09-15 Motorola Inc Electromechanical filter
US2647948A (en) * 1949-03-30 1953-08-04 Rca Corp Electromechanical filter
US2578452A (en) * 1949-05-14 1951-12-11 Rca Corp Mechanical filter
US2599068A (en) * 1950-10-31 1952-06-03 Rca Corp Adjacent channel rejection by magneto-striction
US2904701A (en) * 1957-06-07 1959-09-15 Stirling A Colgate Electrical generator and driving engine unitary therewith
DE1261248B (de) * 1963-09-13 1968-02-15 Siemens Ag Elektromechanisches Bandpassfilter
DE1275216B (de) * 1965-03-16 1968-08-14 Siemens Ag Elektromechanisches Filter

Also Published As

Publication number Publication date
US2091250A (en) 1937-08-31
DE687871C (de) 1940-02-07

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