FR614955A - - Google Patents

Info

Publication number
FR614955A
FR614955A FR614955DA FR614955A FR 614955 A FR614955 A FR 614955A FR 614955D A FR614955D A FR 614955DA FR 614955 A FR614955 A FR 614955A
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.)
Publication date
Application granted granted Critical
Publication of FR614955A publication Critical patent/FR614955A/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
    • G10K11/004—Mounting transducers, e.g. provided with mechanical moving or orienting device
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/72—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using ultrasonic, sonic or infrasonic waves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S181/00—Acoustics
    • Y10S181/40—Wave coupling
    • Y10S181/402—Liquid

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Pipe Accessories (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
FR614955D 1925-04-25 Expired FR614955A (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25795A US1715395A (en) 1925-04-25 1925-04-25 Sound-receiving device for submarine signaling

Publications (1)

Publication Number Publication Date
FR614955A true FR614955A (OSRAM) 1926-12-27

Family

ID=21828097

Family Applications (1)

Application Number Title Priority Date Filing Date
FR614955D Expired FR614955A (OSRAM) 1925-04-25

Country Status (5)

Country Link
US (1) US1715395A (OSRAM)
DE (1) DE516644C (OSRAM)
FR (1) FR614955A (OSRAM)
GB (1) GB251269A (OSRAM)
NL (1) NL27032C (OSRAM)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3137836A (en) * 1955-08-25 1964-06-16 Clyde P Glover Support for electro-acoustic transducer
US2937657A (en) * 1955-10-11 1960-05-24 Mueller Co Fire valve and apparatus for replacing parts thereof
US4641611A (en) * 1984-07-06 1987-02-10 West Virginia University Oscillatory motion apparatus

Also Published As

Publication number Publication date
US1715395A (en) 1929-06-04
GB251269A (en) 1927-03-17
DE516644C (de) 1931-01-31
NL27032C (OSRAM)

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