[go: up one dir, main page]

FR865766A - Wave filters and the like - Google Patents

Wave filters and the like

Info

Publication number
FR865766A
FR865766A FR865766DA FR865766A FR 865766 A FR865766 A FR 865766A FR 865766D A FR865766D A FR 865766DA FR 865766 A FR865766 A FR 865766A
Authority
FR
France
Prior art keywords
wave filters
filters
wave
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
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.)
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 FR865766A publication Critical patent/FR865766A/en
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 elements; 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)
FR865766D 1939-06-02 1940-05-21 Wave filters and the like Expired FR865766A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US865766XA 1939-06-02 1939-06-02

Publications (1)

Publication Number Publication Date
FR865766A true FR865766A (en) 1941-06-03

Family

ID=22199477

Family Applications (1)

Application Number Title Priority Date Filing Date
FR865766D Expired FR865766A (en) 1939-06-02 1940-05-21 Wave filters and the like

Country Status (1)

Country Link
FR (1) FR865766A (en)

Similar Documents

Publication Publication Date Title
FR868363A (en) Guided wave transmission
FR867291A (en) Electric wave filters
FR858577A (en) piezoelectric crystal impedance elements
FR863747A (en) Electric wave filters
FR865592A (en) Electric wave amplifier systems
FR870440A (en) Electric wave amplifiers
FR856256A (en) Electro-magnetic and similar wave direction indicating devices
FR852274A (en) Electrical and analog wave amplifier systems
FR868324A (en) Ultra-short wave generator tube
FR865766A (en) Wave filters and the like
FR851769A (en) Improvements to lawn mowers and the like
FR861831A (en) Electric wave filters
FR860355A (en) Wave filters
FR870095A (en) Electric wave amplifiers
FR844539A (en) Wave filters
FR863341A (en) Periodic wave generator
FR863217A (en) Periodic wave generator
FR838057A (en) Binder for clipping forms and the like
FR876727A (en) Improvements to mixers and the like
FR865591A (en) Telephone switches and the like
FR862877A (en) Periodic wave repeater and sawtooth
FR852349A (en) Teaching object
FR953253A (en) Improvements in the production of electric waves
FR865570A (en) Electric wave amplifiers
FR871602A (en) ethenones and substituted ethenones