FR2077577B1 - - Google Patents

Info

Publication number
FR2077577B1
FR2077577B1 FR7046981A FR7046981A FR2077577B1 FR 2077577 B1 FR2077577 B1 FR 2077577B1 FR 7046981 A FR7046981 A FR 7046981A FR 7046981 A FR7046981 A FR 7046981A FR 2077577 B1 FR2077577 B1 FR 2077577B1
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
FR7046981A
Other versions
FR2077577A1 (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.)
SIMONSEN AND MUSTAD AS
Original Assignee
SIMONSEN AND MUSTAD AS
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 NO517169A external-priority patent/NO122743B/no
Priority claimed from NO475170A external-priority patent/NO125782B/no
Application filed by SIMONSEN AND MUSTAD AS filed Critical SIMONSEN AND MUSTAD AS
Publication of FR2077577A1 publication Critical patent/FR2077577A1/fr
Application granted granted Critical
Publication of FR2077577B1 publication Critical patent/FR2077577B1/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)
  • Transducers For Ultrasonic Waves (AREA)
FR7046981A 1969-12-30 1970-12-29 Expired FR2077577B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO517169A NO122743B (fr) 1969-12-30 1969-12-30
NO475170A NO125782B (fr) 1970-12-10 1970-12-10

Publications (2)

Publication Number Publication Date
FR2077577A1 FR2077577A1 (fr) 1971-10-29
FR2077577B1 true FR2077577B1 (fr) 1974-09-20

Family

ID=26647550

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7046981A Expired FR2077577B1 (fr) 1969-12-30 1970-12-29

Country Status (2)

Country Link
DE (1) DE2064258A1 (fr)
FR (1) FR2077577B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5025291A (en) * 1990-07-02 1991-06-18 Zerox Corporation Edge effect compensation in high frequency vibratory energy producing devices for electrophotographic imaging
DE10055633C2 (de) * 2000-11-10 2002-10-10 Siemens Ag Stoßwellenquelle
DE112009002186B4 (de) * 2008-09-09 2016-03-03 Mitsubishi Electric Corp. Ultraschallgenerator und Vorrichtung zu dessen Befestigung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB632285A (en) * 1939-07-22 1949-11-21 Submarine Signal Co Improvements in or relating to apparatus for transmitting and receiving compressional wave energy
US3368190A (en) * 1966-07-22 1968-02-06 Navy Usa Shaded arrays of transducer elements

Also Published As

Publication number Publication date
DE2064258A1 (de) 1971-07-01
FR2077577A1 (fr) 1971-10-29

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse