NL27032C - - Google Patents

Info

Publication number
NL27032C
NL27032C NL27032DA NL27032C NL 27032 C NL27032 C NL 27032C NL 27032D A NL27032D A NL 27032DA NL 27032 C NL27032 C NL 27032C
Authority
NL
Netherlands
Application number
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 of NL27032C publication Critical patent/NL27032C/xx

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)
NL27032D 1925-04-25 NL27032C (fr)

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
NL27032C true NL27032C (fr)

Family

ID=21828097

Family Applications (1)

Application Number Title Priority Date Filing Date
NL27032D NL27032C (fr) 1925-04-25

Country Status (5)

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

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
DE516644C (de) 1931-01-31
FR614955A (fr) 1926-12-27
US1715395A (en) 1929-06-04
GB251269A (en) 1927-03-17

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