GB159517A - Improvements in and relating to hydrophones and the like - Google Patents

Improvements in and relating to hydrophones and the like

Info

Publication number
GB159517A
GB159517A GB1284418A GB1284418A GB159517A GB 159517 A GB159517 A GB 159517A GB 1284418 A GB1284418 A GB 1284418A GB 1284418 A GB1284418 A GB 1284418A GB 159517 A GB159517 A GB 159517A
Authority
GB
United Kingdom
Prior art keywords
baffle
hydrophones
relating
hvdrophone
ryan
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
GB1284418A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB1284418A priority Critical patent/GB159517A/en
Publication of GB159517A publication Critical patent/GB159517A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S1/00Beacons 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
    • G01S1/72Beacons 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

Abstract

159,517. Ryan, C. P. Aug. 7, 1918. Locating subaqueous sounds.-A baffle or screen for use with directional hydrophones comprises a hollow lead cone or other body a filled with sand and formed with a paraboloidal face towards the hvdrophone. The baffle is supported by clamping-pins b<1> at an adjustable distance from the hydrophone casing d, which is covered with rubber sheathing e. Specification 15320/15 is referred to.
GB1284418A 1918-08-07 1918-08-07 Improvements in and relating to hydrophones and the like Expired GB159517A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1284418A GB159517A (en) 1918-08-07 1918-08-07 Improvements in and relating to hydrophones and the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1284418A GB159517A (en) 1918-08-07 1918-08-07 Improvements in and relating to hydrophones and the like

Publications (1)

Publication Number Publication Date
GB159517A true GB159517A (en) 1921-03-10

Family

ID=10012155

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1284418A Expired GB159517A (en) 1918-08-07 1918-08-07 Improvements in and relating to hydrophones and the like

Country Status (1)

Country Link
GB (1) GB159517A (en)

Similar Documents

Publication Publication Date Title
JPS5388718A (en) Sealed head phone
GB159517A (en) Improvements in and relating to hydrophones and the like
JPS5237421A (en) Earplug type transmitter-receiver
SE157243C1 (en) METHODS OF PREPARING PAPER FOR BATTERY REPAIRS M.M. AND THROUGH THE WAY PAPER MADE
JPS51122427A (en) Electric acoustic transducer
GB323620A (en) Improvements in sound producing apparatus
GB529900A (en) Stream-line shaped casing members for submarine signalling devices
GB702534A (en) Improvements in or relating to sound-wave-ranging apparatus
GB469322A (en) Sound locating apparatus
SU1332246A1 (en) Arrangement for determining the rate of elastic vibrations in the ground sample material
GB127296A (en) Improved Means for Detecting and Locating Subaqueous Sounds.
GB127054A (en) Improved Means for Detecting and Locating Subaqueous Sounds.
JPS5345225A (en) Conical speaker
GB128176A (en) Improvements in and relating to Diaphragm and like Vibrators.
JPS51146819A (en) Speaker
GB443816A (en) Loudspeakers
GB191509912A (en) Improvements in or relating to the Reception and Transmission of Sound or Compressional Waves.
GB126691A (en) Improved Means for Detecting and Locating Subaqueous Sounds.
GB196100A (en) Improvements in submarine sound apparatus, particularly receiving apparatus
GB107442A (en) An Improved Whistle.
GB207179A (en) Improvements in and connected with means for indicating vibrations
CH314503A (en) An inertial carbon microphone seated on a vibrating body
GB127383A (en) Improvements in Hydrophones.
GB173951A (en) Improvements in and relating to directional hydrophones
GB495147A (en) Improvements in or relating to electro-acoustic devices for transmitting or reproducing sound