FR2008252A1 - - Google Patents

Info

Publication number
FR2008252A1
FR2008252A1 FR6914991A FR6914991A FR2008252A1 FR 2008252 A1 FR2008252 A1 FR 2008252A1 FR 6914991 A FR6914991 A FR 6914991A FR 6914991 A FR6914991 A FR 6914991A FR 2008252 A1 FR2008252 A1 FR 2008252A1
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.)
Withdrawn
Application number
FR6914991A
Other languages
French (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.)
UK Atomic Energy Authority
Original Assignee
UK Atomic Energy Authority
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 GB22350/68A external-priority patent/GB1152820A/en
Application filed by UK Atomic Energy Authority filed Critical UK Atomic Energy Authority
Publication of FR2008252A1 publication Critical patent/FR2008252A1/fr
Withdrawn legal-status Critical Current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
    • G10K11/20—Reflecting arrangements
    • 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
    • G10K11/22—Methods or devices for transmitting, conducting or directing sound for conducting sound through hollow pipes, e.g. speaking tubes

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Jet Pumps And Other Pumps (AREA)
FR6914991A 1968-05-10 1969-05-09 Withdrawn FR2008252A1 (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB22350/68A GB1152820A (en) 1967-05-19 1968-05-10 Dibenzopyran Derivatives

Publications (1)

Publication Number Publication Date
FR2008252A1 true FR2008252A1 (https=) 1970-01-16

Family

ID=10177982

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6914991A Withdrawn FR2008252A1 (https=) 1968-05-10 1969-05-09

Country Status (5)

Country Link
US (1) US3604529A (https=)
JP (1) JPS494871B1 (https=)
DE (1) DE1923721C3 (https=)
ES (1) ES367043A1 (https=)
FR (1) FR2008252A1 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1488478A (en) * 1974-12-12 1977-10-12 Atomic Energy Authority Uk Liquid metal cooled nuclear reactors
JPS5462487A (en) * 1977-10-26 1979-05-19 Toshiba Corp Reactor
JPS5845645B2 (ja) * 1978-03-27 1983-10-12 株式会社東芝 炉心構成要素
US8218396B2 (en) * 2010-03-16 2012-07-10 Ut-Battelle, Llc Torsional ultrasonic wave based level measurement system
AU2012253161B2 (en) * 2011-05-09 2016-07-07 Ultra Electronics Maritime Systems Inc. Acoustic projector having synchronized acoustic radiators

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2225312A (en) * 1939-10-05 1940-12-17 Bell Telephone Labor Inc Acoustic device
US2408435A (en) * 1941-03-01 1946-10-01 Bell Telephone Labor Inc Pipe antenna and prism
US2770795A (en) * 1951-03-30 1956-11-13 Raytheon Mfg Co Acoustic log
US2856022A (en) * 1954-08-06 1958-10-14 Electro Sonic Lab Inc Directional acoustic signal transducer
US3100994A (en) * 1960-08-05 1963-08-20 Acoustica Associates Inc Pulse-echo gauging system

Also Published As

Publication number Publication date
ES367043A1 (es) 1971-04-01
JPS494871B1 (https=) 1974-02-04
US3604529A (en) 1971-09-14
DE1923721A1 (de) 1969-11-27
DE1923721C3 (de) 1980-07-10
DE1923721B2 (de) 1979-09-20

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Legal Events

Date Code Title Description
ST Notification of lapse