FR2274171B1 - - Google Patents

Info

Publication number
FR2274171B1
FR2274171B1 FR7419947A FR7419947A FR2274171B1 FR 2274171 B1 FR2274171 B1 FR 2274171B1 FR 7419947 A FR7419947 A FR 7419947A FR 7419947 A FR7419947 A FR 7419947A FR 2274171 B1 FR2274171 B1 FR 2274171B1
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
FR7419947A
Other languages
French (fr)
Other versions
FR2274171A1 (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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Priority to FR7419947A priority Critical patent/FR2274171A1/fr
Publication of FR2274171A1 publication Critical patent/FR2274171A1/fr
Application granted granted Critical
Publication of FR2274171B1 publication Critical patent/FR2274171B1/fr
Granted 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
    • H03H9/02818—Means for compensation or elimination of undesirable effects
    • H03H9/02874—Means for compensation or elimination of undesirable effects of direct coupling between input and output transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
FR7419947A 1974-06-10 1974-06-10 Filtre mettant a profit des ondes de surface acoustiques Granted FR2274171A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7419947A FR2274171A1 (fr) 1974-06-10 1974-06-10 Filtre mettant a profit des ondes de surface acoustiques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7419947A FR2274171A1 (fr) 1974-06-10 1974-06-10 Filtre mettant a profit des ondes de surface acoustiques

Publications (2)

Publication Number Publication Date
FR2274171A1 FR2274171A1 (fr) 1976-01-02
FR2274171B1 true FR2274171B1 (de) 1977-06-17

Family

ID=9139821

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7419947A Granted FR2274171A1 (fr) 1974-06-10 1974-06-10 Filtre mettant a profit des ondes de surface acoustiques

Country Status (1)

Country Link
FR (1) FR2274171A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1132211A (en) * 1978-02-23 1982-09-21 Martin Redwood Acoustic wave devices
JPS5616314A (en) * 1979-07-20 1981-02-17 Fujitsu Ltd Surface elastic wave filter

Also Published As

Publication number Publication date
FR2274171A1 (fr) 1976-01-02

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Legal Events

Date Code Title Description
ST Notification of lapse