FR2139672B1 - - Google Patents

Info

Publication number
FR2139672B1
FR2139672B1 FR7119581A FR7119581A FR2139672B1 FR 2139672 B1 FR2139672 B1 FR 2139672B1 FR 7119581 A FR7119581 A FR 7119581A FR 7119581 A FR7119581 A FR 7119581A FR 2139672 B1 FR2139672 B1 FR 2139672B1
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
FR7119581A
Other versions
FR2139672A1 (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
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR7119581A priority Critical patent/FR2139672B1/fr
Priority to US00256019A priority patent/US3829827A/en
Priority to GB2509472A priority patent/GB1385265A/en
Priority to DE19722225821 priority patent/DE2225821A1/de
Publication of FR2139672A1 publication Critical patent/FR2139672A1/fr
Application granted granted Critical
Publication of FR2139672B1 publication Critical patent/FR2139672B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/02—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light
    • G02B26/04—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light by periodically varying the intensity of light, e.g. using choppers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
    • G01H9/002—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means for representing acoustic field distribution

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR7119581A 1971-05-28 1971-05-28 Expired FR2139672B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7119581A FR2139672B1 (fr) 1971-05-28 1971-05-28
US00256019A US3829827A (en) 1971-05-28 1972-05-23 Acoustical holography system for acoustic image conversion
GB2509472A GB1385265A (en) 1971-05-28 1972-05-26 Acoustical holography system for acoustic image conversion
DE19722225821 DE2225821A1 (de) 1971-05-28 1972-05-26 System zur Sichtbarmachung eines Gegen Stands durch akustische Holographie

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7119581A FR2139672B1 (fr) 1971-05-28 1971-05-28

Publications (2)

Publication Number Publication Date
FR2139672A1 FR2139672A1 (fr) 1973-01-12
FR2139672B1 true FR2139672B1 (fr) 1973-05-25

Family

ID=9077836

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7119581A Expired FR2139672B1 (fr) 1971-05-28 1971-05-28

Country Status (1)

Country Link
FR (1) FR2139672B1 (fr)

Also Published As

Publication number Publication date
FR2139672A1 (fr) 1973-01-12

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Legal Events

Date Code Title Description
ST Notification of lapse