FR1517291A - Dispositif retardateur d'ultra-sons - Google Patents

Dispositif retardateur d'ultra-sons

Info

Publication number
FR1517291A
FR1517291A FR100832A FR100832A FR1517291A FR 1517291 A FR1517291 A FR 1517291A FR 100832 A FR100832 A FR 100832A FR 100832 A FR100832 A FR 100832A FR 1517291 A FR1517291 A FR 1517291A
Authority
FR
France
Prior art keywords
delay device
ultrasound delay
ultrasound
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
FR100832A
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
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1517291A publication Critical patent/FR1517291A/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
    • H03H9/30—Time-delay networks
    • H03H9/36—Time-delay networks with non-adjustable delay time

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
FR100832A 1966-03-31 1967-03-30 Dispositif retardateur d'ultra-sons Expired FR1517291A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6604240A NL6604240A (fr) 1966-03-31 1966-03-31

Publications (1)

Publication Number Publication Date
FR1517291A true FR1517291A (fr) 1968-03-15

Family

ID=19796150

Family Applications (1)

Application Number Title Priority Date Filing Date
FR100832A Expired FR1517291A (fr) 1966-03-31 1967-03-30 Dispositif retardateur d'ultra-sons

Country Status (8)

Country Link
US (1) US3508174A (fr)
AT (1) AT271568B (fr)
BE (1) BE696355A (fr)
CH (1) CH459296A (fr)
DE (1) DE1964307U (fr)
FR (1) FR1517291A (fr)
GB (1) GB1113919A (fr)
NL (1) NL6604240A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4467295A (en) * 1981-11-25 1984-08-21 Showa Electric Wire & Cable Co., Ltd. Solid ultrasonic delay line

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2505515A (en) * 1946-04-02 1950-04-25 Us Sec War Compressional wave delay means

Also Published As

Publication number Publication date
AT271568B (de) 1969-06-10
CH459296A (de) 1968-07-15
DE1964307U (de) 1967-07-20
BE696355A (fr) 1967-10-02
GB1113919A (en) 1968-05-15
US3508174A (en) 1970-04-21
DE1541948B2 (de) 1976-02-26
NL6604240A (fr) 1967-10-02
DE1541948A1 (de) 1970-04-02

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