FR2135623B1 - - Google Patents

Info

Publication number
FR2135623B1
FR2135623B1 FR7215879A FR7215879A FR2135623B1 FR 2135623 B1 FR2135623 B1 FR 2135623B1 FR 7215879 A FR7215879 A FR 7215879A FR 7215879 A FR7215879 A FR 7215879A FR 2135623 B1 FR2135623 B1 FR 2135623B1
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
FR7215879A
Other languages
French (fr)
Other versions
FR2135623A1 (nl
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.)
UK GREAT BRIT NORTHE
Original Assignee
UK GREAT BRIT NORTHE
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
Priority claimed from GB1756371A external-priority patent/GB1320848A/en
Application filed by UK GREAT BRIT NORTHE filed Critical UK GREAT BRIT NORTHE
Publication of FR2135623A1 publication Critical patent/FR2135623A1/fr
Application granted granted Critical
Publication of FR2135623B1 publication Critical patent/FR2135623B1/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
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/0296—Surface acoustic wave [SAW] devices having both acoustic and non-acoustic properties
    • H03H9/02976—Surface acoustic wave [SAW] devices having both acoustic and non-acoustic properties with semiconductor devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F13/00—Amplifiers using amplifying element consisting of two mechanically- or acoustically-coupled transducers, e.g. telephone-microphone amplifier

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR7215879A 1971-05-05 1972-05-04 Expired FR2135623B1 (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1756371A GB1320848A (en) 1970-05-29 1971-05-05 Multiple head extrusion device and a method of controlling such device
GB1312571 1971-05-05

Publications (2)

Publication Number Publication Date
FR2135623A1 FR2135623A1 (nl) 1972-12-22
FR2135623B1 true FR2135623B1 (nl) 1973-07-13

Family

ID=26249577

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7215879A Expired FR2135623B1 (nl) 1971-05-05 1972-05-04

Country Status (1)

Country Link
FR (1) FR2135623B1 (nl)

Also Published As

Publication number Publication date
FR2135623A1 (nl) 1972-12-22

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Legal Events

Date Code Title Description
ST Notification of lapse