DE3580853D1 - Anordnung und verfahren zur erzeugung und steuerung von ultraschall. - Google Patents

Anordnung und verfahren zur erzeugung und steuerung von ultraschall.

Info

Publication number
DE3580853D1
DE3580853D1 DE8585300513T DE3580853T DE3580853D1 DE 3580853 D1 DE3580853 D1 DE 3580853D1 DE 8585300513 T DE8585300513 T DE 8585300513T DE 3580853 T DE3580853 T DE 3580853T DE 3580853 D1 DE3580853 D1 DE 3580853D1
Authority
DE
Germany
Prior art keywords
producing
arrangement
controlling ultrasound
ultrasound
controlling
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 - Fee Related
Application number
DE8585300513T
Other languages
English (en)
Inventor
Charles A Cain
Leon A Frizzell
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.)
University of Illinois
University of Illinois at Urbana Champaign
Original Assignee
University of Illinois
University of Illinois at Urbana Champaign
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 University of Illinois, University of Illinois at Urbana Champaign filed Critical University of Illinois
Application granted granted Critical
Publication of DE3580853D1 publication Critical patent/DE3580853D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/34—Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
    • G10K11/341—Circuits therefor
    • G10K11/343—Circuits therefor using frequency variation or different frequencies

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Surgical Instruments (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
DE8585300513T 1984-01-30 1985-01-25 Anordnung und verfahren zur erzeugung und steuerung von ultraschall. Expired - Fee Related DE3580853D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/574,930 US4549533A (en) 1984-01-30 1984-01-30 Apparatus and method for generating and directing ultrasound

Publications (1)

Publication Number Publication Date
DE3580853D1 true DE3580853D1 (de) 1991-01-24

Family

ID=24298222

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585300513T Expired - Fee Related DE3580853D1 (de) 1984-01-30 1985-01-25 Anordnung und verfahren zur erzeugung und steuerung von ultraschall.

Country Status (4)

Country Link
US (1) US4549533A (de)
EP (1) EP0151003B1 (de)
JP (1) JPS60236635A (de)
DE (1) DE3580853D1 (de)

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Also Published As

Publication number Publication date
EP0151003B1 (de) 1990-12-12
JPS60236635A (ja) 1985-11-25
EP0151003A2 (de) 1985-08-07
EP0151003A3 (en) 1986-08-20
US4549533A (en) 1985-10-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee