ZA72950B - Device for attenuating and transmitting sound - Google Patents

Device for attenuating and transmitting sound

Info

Publication number
ZA72950B
ZA72950B ZA720950A ZA72950A ZA72950B ZA 72950 B ZA72950 B ZA 72950B ZA 720950 A ZA720950 A ZA 720950A ZA 72950 A ZA72950 A ZA 72950A ZA 72950 B ZA72950 B ZA 72950B
Authority
ZA
South Africa
Prior art keywords
attenuating
transmitting sound
sound
transmitting
Prior art date
Application number
ZA720950A
Inventor
H Swain
Original Assignee
Rst Int Metals 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 Rst Int Metals Ltd filed Critical Rst Int Metals Ltd
Publication of ZA72950B publication Critical patent/ZA72950B/en

Links

Classifications

    • 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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06—Systems determining the position data of a target
    • G01S15/08—Systems for measuring distance only

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
ZA720950A 1971-02-26 1972-02-14 Device for attenuating and transmitting sound ZA72950B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB551971 1971-02-26

Publications (1)

Publication Number Publication Date
ZA72950B true ZA72950B (en) 1973-03-28

Family

ID=9797737

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA720950A ZA72950B (en) 1971-02-26 1972-02-14 Device for attenuating and transmitting sound

Country Status (7)

Country Link
BE (1) BE779883A (en)
DE (1) DE2209068A1 (en)
ES (1) ES400133A1 (en)
FR (1) FR2131980A1 (en)
IT (1) IT949194B (en)
ZA (1) ZA72950B (en)
ZM (1) ZM3472A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014225618A1 (en) 2014-12-11 2016-06-16 Mahle International Gmbh Method for producing a hollow valve

Also Published As

Publication number Publication date
ES400133A1 (en) 1975-01-01
DE2209068A1 (en) 1973-10-25
FR2131980A1 (en) 1972-11-17
ZM3472A1 (en) 1972-10-23
IT949194B (en) 1973-06-11
BE779883A (en) 1972-06-16

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