FR1476229A - Ligne à retard acoustique - Google Patents

Ligne à retard acoustique

Info

Publication number
FR1476229A
FR1476229A FR57834A FR57834A FR1476229A FR 1476229 A FR1476229 A FR 1476229A FR 57834 A FR57834 A FR 57834A FR 57834 A FR57834 A FR 57834A FR 1476229 A FR1476229 A FR 1476229A
Authority
FR
France
Prior art keywords
delay line
acoustic delay
acoustic
line
delay
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
FR57834A
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.)
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
Priority claimed from NL6504829A external-priority patent/NL142547B/xx
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Priority to FR57834A priority Critical patent/FR1476229A/fr
Application granted granted Critical
Publication of FR1476229A publication Critical patent/FR1476229A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C4/00—Compositions for glass with special properties
    • C03C4/0057—Compositions for glass with special properties for ultrasonic delay lines glass
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/102—Glass compositions containing silica with 40% to 90% silica, by weight containing lead
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/30—Time-delay networks
    • H03H9/36—Time-delay networks with non-adjustable delay time

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
FR57834A 1965-04-15 1966-04-15 Ligne à retard acoustique Expired FR1476229A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR57834A FR1476229A (fr) 1965-04-15 1966-04-15 Ligne à retard acoustique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL6504829A NL142547B (nl) 1965-04-15 1965-04-15 Akoestische vertragingslijn.
FR57834A FR1476229A (fr) 1965-04-15 1966-04-15 Ligne à retard acoustique

Publications (1)

Publication Number Publication Date
FR1476229A true FR1476229A (fr) 1967-04-07

Family

ID=26169981

Family Applications (1)

Application Number Title Priority Date Filing Date
FR57834A Expired FR1476229A (fr) 1965-04-15 1966-04-15 Ligne à retard acoustique

Country Status (1)

Country Link
FR (1) FR1476229A (fr)

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