CH137893A - Simultaneous facility. - Google Patents

Simultaneous facility.

Info

Publication number
CH137893A
CH137893A CH137893DA CH137893A CH 137893 A CH137893 A CH 137893A CH 137893D A CH137893D A CH 137893DA CH 137893 A CH137893 A CH 137893A
Authority
CH
Switzerland
Prior art keywords
facility
simultaneous
simultaneous facility
Prior art date
Application number
Other languages
German (de)
Inventor
Co Bell Telephon Manufacturing
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 CH137893A publication Critical patent/CH137893A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
CH137893D 1927-10-19 1927-10-19 Simultaneous facility. CH137893A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH137893T 1927-10-19

Publications (1)

Publication Number Publication Date
CH137893A true CH137893A (en) 1930-01-31

Family

ID=4395343

Family Applications (1)

Application Number Title Priority Date Filing Date
CH137893D CH137893A (en) 1927-10-19 1927-10-19 Simultaneous facility.

Country Status (2)

Country Link
US (1) US1702309A (en)
CH (1) CH137893A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1103395B (en) * 1959-06-10 1961-03-30 Carl Lindstroem Ges M B H Circuit arrangement for the reaction-free branching of electrical currents, preferably audio-frequency currents from matching networks of sound recording devices

Also Published As

Publication number Publication date
US1702309A (en) 1929-02-19

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