GB373229A - Improvements in or relating to echo sounding apparatus and subaqueous signalling apparatus - Google Patents

Improvements in or relating to echo sounding apparatus and subaqueous signalling apparatus

Info

Publication number
GB373229A
GB373229A GB545431A GB545431A GB373229A GB 373229 A GB373229 A GB 373229A GB 545431 A GB545431 A GB 545431A GB 545431 A GB545431 A GB 545431A GB 373229 A GB373229 A GB 373229A
Authority
GB
United Kingdom
Prior art keywords
sound
relating
echo sounding
subaqueous
subaqueous signalling
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
GB545431A
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.)
ALFRED HOLLIDAY LEDGER
Telegraph Construction and Maintenance Co Ltd
Original Assignee
ALFRED HOLLIDAY LEDGER
Telegraph Construction and Maintenance Co Ltd
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 by ALFRED HOLLIDAY LEDGER, Telegraph Construction and Maintenance Co Ltd filed Critical ALFRED HOLLIDAY LEDGER
Priority to GB545431A priority Critical patent/GB373229A/en
Publication of GB373229A publication Critical patent/GB373229A/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
    • G10K11/004—Mounting transducers, e.g. provided with mechanical moving or orienting device

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Abstract

373,229. Nonconducting coverings for sound. TELEGRAPH CONSTRUCTION & MAINTENANCE CO., Ltd., 38, Old Broad Street, and LEDGER, A. H., 29, Mycenae Road, Blackheath, both in London. Feb. 20, 1931, No. 5454. [Class 64 (ii).] The seaweec composition known by the registered Trade Mark " Ca bots Quilt " may be used as the sound - insulating material covering the inside of a cell in a ship's double bottom used for housing a hydrophone, a wooden framing holding the material in place. The manhole cover MHC is also heavily lagged with sound proofing CQ.
GB545431A 1931-02-20 1931-02-20 Improvements in or relating to echo sounding apparatus and subaqueous signalling apparatus Expired GB373229A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB545431A GB373229A (en) 1931-02-20 1931-02-20 Improvements in or relating to echo sounding apparatus and subaqueous signalling apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB545431A GB373229A (en) 1931-02-20 1931-02-20 Improvements in or relating to echo sounding apparatus and subaqueous signalling apparatus

Publications (1)

Publication Number Publication Date
GB373229A true GB373229A (en) 1932-05-20

Family

ID=9796478

Family Applications (1)

Application Number Title Priority Date Filing Date
GB545431A Expired GB373229A (en) 1931-02-20 1931-02-20 Improvements in or relating to echo sounding apparatus and subaqueous signalling apparatus

Country Status (1)

Country Link
GB (1) GB373229A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2317698A (en) * 1983-10-10 1998-04-01 Secr Defence Acoustic sink for a sonar dome

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2317698A (en) * 1983-10-10 1998-04-01 Secr Defence Acoustic sink for a sonar dome
GB2317698B (en) * 1983-10-10 1998-07-15 Secr Defence Acoustic sink for a sonar dome

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