GB2179822B - Two-way speech communication system - Google Patents

Two-way speech communication system

Info

Publication number
GB2179822B
GB2179822B GB8521296A GB8521296A GB2179822B GB 2179822 B GB2179822 B GB 2179822B GB 8521296 A GB8521296 A GB 8521296A GB 8521296 A GB8521296 A GB 8521296A GB 2179822 B GB2179822 B GB 2179822B
Authority
GB
United Kingdom
Prior art keywords
communication system
speech communication
way speech
way
speech
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
GB8521296A
Other versions
GB2179822A (en
GB8521296D0 (en
Inventor
Edward Stuart Fletcher
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.)
FINEOMEGA Ltd
Original Assignee
FINEOMEGA 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 FINEOMEGA Ltd filed Critical FINEOMEGA Ltd
Priority to GB8521296A priority Critical patent/GB2179822B/en
Publication of GB8521296D0 publication Critical patent/GB8521296D0/en
Publication of GB2179822A publication Critical patent/GB2179822A/en
Application granted granted Critical
Publication of GB2179822B publication Critical patent/GB2179822B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
GB8521296A 1985-08-27 1985-08-27 Two-way speech communication system Expired GB2179822B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8521296A GB2179822B (en) 1985-08-27 1985-08-27 Two-way speech communication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8521296A GB2179822B (en) 1985-08-27 1985-08-27 Two-way speech communication system

Publications (3)

Publication Number Publication Date
GB8521296D0 GB8521296D0 (en) 1985-10-02
GB2179822A GB2179822A (en) 1987-03-11
GB2179822B true GB2179822B (en) 1989-08-09

Family

ID=10584322

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8521296A Expired GB2179822B (en) 1985-08-27 1985-08-27 Two-way speech communication system

Country Status (1)

Country Link
GB (1) GB2179822B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2894881B2 (en) * 1991-10-28 1999-05-24 日本電気株式会社 Wireless loudspeaker
DE4236046C1 (en) * 1992-10-24 1993-11-25 Loh Kg Ritto Werk Intercom system with centralised control - uses duplex amplifiers in connection path between calling and called speech stations with respective amplifier paths for each direction

Also Published As

Publication number Publication date
GB2179822A (en) 1987-03-11
GB8521296D0 (en) 1985-10-02

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Legal Events

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

Effective date: 19960827