FR1028724A - Acoustic disturbance detector - Google Patents

Acoustic disturbance detector

Info

Publication number
FR1028724A
FR1028724A FR1028724DA FR1028724A FR 1028724 A FR1028724 A FR 1028724A FR 1028724D A FR1028724D A FR 1028724DA FR 1028724 A FR1028724 A FR 1028724A
Authority
FR
France
Prior art keywords
acoustic disturbance
disturbance detector
detector
acoustic
disturbance
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
Application number
Other languages
French (fr)
Inventor
Carl Richter
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 FR1028724A publication Critical patent/FR1028724A/en
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
    • G10K11/24—Methods or devices for transmitting, conducting or directing sound for conducting sound through solid bodies, e.g. wires
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid
FR1028724D 1950-03-16 1950-12-01 Acoustic disturbance detector Expired FR1028724A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1028724X 1950-03-16

Publications (1)

Publication Number Publication Date
FR1028724A true FR1028724A (en) 1953-05-27

Family

ID=7715377

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1028724D Expired FR1028724A (en) 1950-03-16 1950-12-01 Acoustic disturbance detector

Country Status (1)

Country Link
FR (1) FR1028724A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0108556A2 (en) * 1982-11-05 1984-05-16 Lintvalve Electronic Systems Limited Apparatus for detecting leaks in steam raising boilers
EP0175904A1 (en) * 1984-08-29 1986-04-02 Siemens Aktiengesellschaft Device for measuring the filling level of liquids

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0108556A2 (en) * 1982-11-05 1984-05-16 Lintvalve Electronic Systems Limited Apparatus for detecting leaks in steam raising boilers
EP0108556A3 (en) * 1982-11-05 1985-07-10 Lintvalve Electronic Syst Ltd Apparatus for detecting leaks in steam raising boilers
EP0175904A1 (en) * 1984-08-29 1986-04-02 Siemens Aktiengesellschaft Device for measuring the filling level of liquids

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