FR1569897A - - Google Patents

Info

Publication number
FR1569897A
FR1569897A FR1569897DA FR1569897A FR 1569897 A FR1569897 A FR 1569897A FR 1569897D A FR1569897D A FR 1569897DA FR 1569897 A FR1569897 A FR 1569897A
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
Other languages
French (fr)
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 filed Critical
Application granted granted Critical
Publication of FR1569897A publication Critical patent/FR1569897A/fr
Expired 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
    • G10K11/346—Circuits therefor using phase variation

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Electrophonic Musical Instruments (AREA)
FR1569897D 1967-04-15 1968-04-12 Expired FR1569897A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6705344A NL154011B (nl) 1967-04-15 1967-04-15 Luisterstelsel.

Publications (1)

Publication Number Publication Date
FR1569897A true FR1569897A (enrdf_load_stackoverflow) 1969-06-06

Family

ID=19799860

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1569897D Expired FR1569897A (enrdf_load_stackoverflow) 1967-04-15 1968-04-12

Country Status (3)

Country Link
FR (1) FR1569897A (enrdf_load_stackoverflow)
GB (1) GB1212106A (enrdf_load_stackoverflow)
NL (1) NL154011B (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2029769A1 (enrdf_load_stackoverflow) * 1969-06-18 1970-12-23
DE2506506A1 (de) * 1974-02-20 1977-08-11 Philips Nv Anordnung fuer untersuchungen mittels ultraschallschwingungen
FR2567670A1 (fr) * 1984-07-10 1986-01-17 Cgr Ultrasonic Dispositif de focalisation electronique d'ondes ultrasonores

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2029769A1 (enrdf_load_stackoverflow) * 1969-06-18 1970-12-23
DE2506506A1 (de) * 1974-02-20 1977-08-11 Philips Nv Anordnung fuer untersuchungen mittels ultraschallschwingungen
FR2567670A1 (fr) * 1984-07-10 1986-01-17 Cgr Ultrasonic Dispositif de focalisation electronique d'ondes ultrasonores
EP0169123A1 (fr) * 1984-07-10 1986-01-22 C G R Ultrasonic Dispositif de focalisation électronique d'ondes ultrasonores

Also Published As

Publication number Publication date
NL154011B (nl) 1977-07-15
NL6705344A (enrdf_load_stackoverflow) 1968-10-16
DE1616223B2 (de) 1975-11-06
DE1616223A1 (de) 1971-03-18
GB1212106A (en) 1970-11-11

Similar Documents

Publication Publication Date Title
AU5765369A (enrdf_load_stackoverflow)
FR1569897A (enrdf_load_stackoverflow)
AU2454867A (enrdf_load_stackoverflow)
BE692375A (enrdf_load_stackoverflow)
BE692409A (enrdf_load_stackoverflow)
BE711820A (enrdf_load_stackoverflow)
BE711717A (enrdf_load_stackoverflow)
BE711654A (enrdf_load_stackoverflow)
BE711540A (enrdf_load_stackoverflow)
BE711413A (enrdf_load_stackoverflow)
BE710835A (enrdf_load_stackoverflow)
BE710751A (enrdf_load_stackoverflow)
BE710525A (enrdf_load_stackoverflow)
BE710500A (enrdf_load_stackoverflow)
BE709189A (enrdf_load_stackoverflow)
BE708723A (enrdf_load_stackoverflow)
BE707548A (enrdf_load_stackoverflow)
BE707004A (enrdf_load_stackoverflow)
BE706589A (enrdf_load_stackoverflow)
BE704873A (enrdf_load_stackoverflow)
BE704470A (enrdf_load_stackoverflow)
BE704369A (enrdf_load_stackoverflow)
BE703433A (enrdf_load_stackoverflow)
BE701128A (enrdf_load_stackoverflow)
BE693075A (enrdf_load_stackoverflow)

Legal Events

Date Code Title Description
ST Notification of lapse