GB2190473B - Improvements in or relating to acoustic systems. - Google Patents

Improvements in or relating to acoustic systems.

Info

Publication number
GB2190473B
GB2190473B GB8711175A GB8711175A GB2190473B GB 2190473 B GB2190473 B GB 2190473B GB 8711175 A GB8711175 A GB 8711175A GB 8711175 A GB8711175 A GB 8711175A GB 2190473 B GB2190473 B GB 2190473B
Authority
GB
United Kingdom
Prior art keywords
relating
acoustic systems
acoustic
systems
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
GB8711175A
Other versions
GB2190473A (en
GB8711175D0 (en
Inventor
Michael James Clark
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.)
A E FARR Ltd
Original Assignee
A E FARR 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 A E FARR Ltd filed Critical A E FARR Ltd
Publication of GB8711175D0 publication Critical patent/GB8711175D0/en
Publication of GB2190473A publication Critical patent/GB2190473A/en
Application granted granted Critical
Publication of GB2190473B publication Critical patent/GB2190473B/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
    • E01F8/02—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic specially adapted for sustaining vegetation or for accommodating plants ; Embankment-type or crib-type noise barriers; Retaining walls specially adapted to absorb or reflect noise
    • E01F8/021—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic specially adapted for sustaining vegetation or for accommodating plants ; Embankment-type or crib-type noise barriers; Retaining walls specially adapted to absorb or reflect noise with integral support structure
    • E01F8/025—Gabion-type

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Revetment (AREA)
GB8711175A 1986-05-12 1987-05-12 Improvements in or relating to acoustic systems. Expired GB2190473B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB868611534A GB8611534D0 (en) 1986-05-12 1986-05-12 Acoustic systems

Publications (3)

Publication Number Publication Date
GB8711175D0 GB8711175D0 (en) 1987-06-17
GB2190473A GB2190473A (en) 1987-11-18
GB2190473B true GB2190473B (en) 1989-12-13

Family

ID=10597728

Family Applications (2)

Application Number Title Priority Date Filing Date
GB868611534A Pending GB8611534D0 (en) 1986-05-12 1986-05-12 Acoustic systems
GB8711175A Expired GB2190473B (en) 1986-05-12 1987-05-12 Improvements in or relating to acoustic systems.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB868611534A Pending GB8611534D0 (en) 1986-05-12 1986-05-12 Acoustic systems

Country Status (1)

Country Link
GB (2) GB8611534D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114061902A (en) * 2021-11-29 2022-02-18 重庆交通大学 Real-time monitoring device, method and system for egg and gravel transportation based on image method

Also Published As

Publication number Publication date
GB8611534D0 (en) 1986-06-18
GB2190473A (en) 1987-11-18
GB8711175D0 (en) 1987-06-17

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920512