GB308336A - Improvements in or relating to two-way telephone and the like systems - Google Patents

Improvements in or relating to two-way telephone and the like systems

Info

Publication number
GB308336A
GB308336A GB3473727A GB3473727A GB308336A GB 308336 A GB308336 A GB 308336A GB 3473727 A GB3473727 A GB 3473727A GB 3473727 A GB3473727 A GB 3473727A GB 308336 A GB308336 A GB 308336A
Authority
GB
United Kingdom
Prior art keywords
relating
systems
way telephone
telephone
way
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
GB3473727A
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 GB3473727A priority Critical patent/GB308336A/en
Publication of GB308336A publication Critical patent/GB308336A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Near-Field Transmission Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Telephonic Communication Services (AREA)

Abstract

308,336. Smith, W. S., and McLachlan, N. W. Dec. 22, 1927. Artificial lines for telephony comprise inductances 15 and resistances 16 in series, and con densers 17 in shunt across the line.
GB3473727A 1927-12-22 1927-12-22 Improvements in or relating to two-way telephone and the like systems Expired GB308336A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3473727A GB308336A (en) 1927-12-22 1927-12-22 Improvements in or relating to two-way telephone and the like systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3473727A GB308336A (en) 1927-12-22 1927-12-22 Improvements in or relating to two-way telephone and the like systems

Publications (1)

Publication Number Publication Date
GB308336A true GB308336A (en) 1929-03-22

Family

ID=10369347

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3473727A Expired GB308336A (en) 1927-12-22 1927-12-22 Improvements in or relating to two-way telephone and the like systems

Country Status (1)

Country Link
GB (1) GB308336A (en)

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