CH235152A - Zweiweg-Fernmeldeanlage. - Google Patents

Zweiweg-Fernmeldeanlage.

Info

Publication number
CH235152A
CH235152A CH235152DA CH235152A CH 235152 A CH235152 A CH 235152A CH 235152D A CH235152D A CH 235152DA CH 235152 A CH235152 A CH 235152A
Authority
CH
Switzerland
Prior art keywords
communication system
way communication
way
communication
Prior art date
Application number
Other languages
English (en)
Inventor
Bell Telephone Manufac Anonyme
Original Assignee
Bell Telephone Mfg
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 Bell Telephone Mfg filed Critical Bell Telephone Mfg
Publication of CH235152A publication Critical patent/CH235152A/de

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)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Telephonic Communication Services (AREA)
CH235152D 1940-03-12 1940-05-01 Zweiweg-Fernmeldeanlage. CH235152A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4603/40A GB535286A (en) 1940-03-12 1940-03-12 Control of transmission in two-way telephone systems

Publications (1)

Publication Number Publication Date
CH235152A true CH235152A (de) 1944-11-15

Family

ID=9780289

Family Applications (1)

Application Number Title Priority Date Filing Date
CH235152D CH235152A (de) 1940-03-12 1940-05-01 Zweiweg-Fernmeldeanlage.

Country Status (3)

Country Link
US (1) USRE21835E (de)
CH (1) CH235152A (de)
GB (1) GB535286A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2720556A (en) * 1951-05-22 1955-10-11 Jr Robert A Clark Loud speaking communication system
GB701607A (en) * 1951-05-29 1953-12-30 Leonard Ernest Ryall Improvements in or relating to two-way telecommunication systems

Also Published As

Publication number Publication date
USRE21835E (en) 1941-06-17
GB535286A (en) 1941-04-03

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