US1595118A - Telephone line with one-way repeater - Google Patents

Telephone line with one-way repeater Download PDF

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Publication number
US1595118A
US1595118A US494569A US49456921A US1595118A US 1595118 A US1595118 A US 1595118A US 494569 A US494569 A US 494569A US 49456921 A US49456921 A US 49456921A US 1595118 A US1595118 A US 1595118A
Authority
US
United States
Prior art keywords
line
wire
bridge
circuit
telephone line
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 - Lifetime
Application number
US494569A
Other languages
English (en)
Inventor
Ohnesorge Wilhelm
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.)
Siemens and Halske AG
Siemens Corp
Original Assignee
Siemens Corp
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 Siemens Corp filed Critical Siemens Corp
Application granted granted Critical
Publication of US1595118A publication Critical patent/US1595118A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/36—Repeater circuits

Definitions

  • the accompanying drawingr represents a l diagram ⁇ of a four wire circuit arranged ac-y cardiner to my invention.
  • B v the four wire circuit which consists of two wire circuits V and lll. talking" in both directions is possible.
  • V speech cur- 5 vente are transmittedA from the left to ,the right hand in the drawing and through the two wire circuits W in the opposite direction.
  • Two wire circuits a and b are/ connect'cd to the two long distance wire circuits w 4V and W by means of a ⁇ ⁇ W'heatstone bridge and in the long distance circuits Vandl W arel inserted repeaters R, and 1L. respectively.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
US494569A 1915-12-16 1921-08-23 Telephone line with one-way repeater Expired - Lifetime US1595118A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1595118X 1915-12-16

Publications (1)

Publication Number Publication Date
US1595118A true US1595118A (en) 1926-08-10

Family

ID=7736736

Family Applications (1)

Application Number Title Priority Date Filing Date
US494569A Expired - Lifetime US1595118A (en) 1915-12-16 1921-08-23 Telephone line with one-way repeater

Country Status (3)

Country Link
US (1) US1595118A (enrdf_load_stackoverflow)
DE (1) DE301772C (enrdf_load_stackoverflow)
NL (1) NL9147C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE301772C (enrdf_load_stackoverflow)
NL9147C (enrdf_load_stackoverflow)

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