CH218826A - Carrier current transmission system. - Google Patents

Carrier current transmission system.

Info

Publication number
CH218826A
CH218826A CH218826DA CH218826A CH 218826 A CH218826 A CH 218826A CH 218826D A CH218826D A CH 218826DA CH 218826 A CH218826 A CH 218826A
Authority
CH
Switzerland
Prior art keywords
transmission system
current transmission
carrier current
carrier
transmission
Prior art date
Application number
Other languages
German (de)
Inventor
Haftung Licentia Beschraenkter
Original Assignee
Licentia Gmbh
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 Licentia Gmbh filed Critical Licentia Gmbh
Publication of CH218826A publication Critical patent/CH218826A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/10—Intermediate station arrangements, e.g. for branching, for tapping-off
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H04B3/546—Combination of signalling, telemetering, protection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H04B3/58—Repeater circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/04—Frequency-transposition arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Selective Calling Equipment (AREA)
  • Radio Relay Systems (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
CH218826D 1935-10-27 1939-04-05 Carrier current transmission system. CH218826A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEA77458D DE722815C (en) 1935-10-27 1935-10-27 Carrier stream telephony system with two carrier streams and intermediate amplifier stations
DEA81940D DE765208C (en) 1935-10-27 1937-02-07 Carrier frequency telephony system with two carrier frequencies and intermediate amplifiers and intermediate amplifiers

Publications (1)

Publication Number Publication Date
CH218826A true CH218826A (en) 1941-12-31

Family

ID=5794049

Family Applications (2)

Application Number Title Priority Date Filing Date
CH208098D CH208098A (en) 1935-10-27 1939-01-23 Carrier current transmission system.
CH218826D CH218826A (en) 1935-10-27 1939-04-05 Carrier current transmission system.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH208098D CH208098A (en) 1935-10-27 1939-01-23 Carrier current transmission system.

Country Status (3)

Country Link
CH (2) CH208098A (en)
DE (3) DE722815C (en)
FR (4) FR812233A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE899957C (en) * 1939-06-30 1953-12-17 Aeg Arrangement for carrier current transmission over the contact wire lines in electrical rail operations
DE963965C (en) * 1948-10-02 1957-05-16 Siemens Ag Circuit arrangement for carrier frequency telephone systems
DE900708C (en) * 1949-05-29 1954-01-04 Mix & Genest Akt Ges High-frequency telephony transmission system for high-voltage lines

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR659308A (en) * 1930-04-12 1929-06-27 Thomson Houston Comp Francaise Improvements to powerline relay remote control systems
DE667851C (en) * 1930-08-09 1938-11-21 Siemens Ag Procedure for the transmission of remote control or remote measurement pulses in power plants
FR782747A (en) * 1933-12-15 1935-06-11 Lorenz C Ag Method of transmitting signals, speech or others, by cables, using high frequency currents

Also Published As

Publication number Publication date
CH208098A (en) 1939-12-31
DE722815C (en) 1942-07-22
FR812233A (en) 1937-05-03
DE765208C (en) 1953-06-08
FR51451E (en) 1942-08-12
FR50183E (en) 1939-01-17
FR833156A (en) 1938-10-13
DE751668C (en) 1953-06-08

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