JPS54100212A - Line amplifier for fourrwire communication transmitter - Google Patents

Line amplifier for fourrwire communication transmitter

Info

Publication number
JPS54100212A
JPS54100212A JP14732078A JP14732078A JPS54100212A JP S54100212 A JPS54100212 A JP S54100212A JP 14732078 A JP14732078 A JP 14732078A JP 14732078 A JP14732078 A JP 14732078A JP S54100212 A JPS54100212 A JP S54100212A
Authority
JP
Japan
Prior art keywords
fourrwire
communication transmitter
line amplifier
amplifier
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.)
Pending
Application number
JP14732078A
Other languages
Japanese (ja)
Inventor
Buirutomoozaa Hansu
Miyuraa Kurisuchian
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 AG
Original Assignee
Siemens AG
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 AG filed Critical Siemens AG
Publication of JPS54100212A publication Critical patent/JPS54100212A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/40—Monitoring; Testing of relay systems
    • H04B17/401—Monitoring; Testing of relay systems with selective localization
    • H04B17/402—Monitoring; Testing of relay systems with selective localization using different frequencies
    • H04B17/403—Monitoring; Testing of relay systems with selective localization using different frequencies generated by local oscillators

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Fire Alarms (AREA)
JP14732078A 1977-11-30 1978-11-30 Line amplifier for fourrwire communication transmitter Pending JPS54100212A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2753465A DE2753465C2 (en) 1977-11-30 1977-11-30 Line amplifier for four-wire communications equipment

Publications (1)

Publication Number Publication Date
JPS54100212A true JPS54100212A (en) 1979-08-07

Family

ID=6025020

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14732078A Pending JPS54100212A (en) 1977-11-30 1978-11-30 Line amplifier for fourrwire communication transmitter

Country Status (10)

Country Link
JP (1) JPS54100212A (en)
AT (1) AT375509B (en)
AU (1) AU515433B2 (en)
DE (1) DE2753465C2 (en)
DK (1) DK534678A (en)
IT (1) IT1101136B (en)
NL (1) NL7811729A (en)
NO (1) NO145969C (en)
SE (1) SE7812133L (en)
YU (1) YU40050B (en)

Also Published As

Publication number Publication date
YU40050B (en) 1985-06-30
ATA857578A (en) 1983-12-15
DK534678A (en) 1979-05-31
NO145969C (en) 1982-06-30
YU281178A (en) 1983-04-30
DE2753465B1 (en) 1979-01-18
IT1101136B (en) 1985-09-28
NO145969B (en) 1982-03-22
IT7830133A0 (en) 1978-11-24
AU515433B2 (en) 1981-04-02
DE2753465C2 (en) 1979-10-04
AU4179778A (en) 1979-06-07
NL7811729A (en) 1979-06-01
NO784019L (en) 1979-05-31
AT375509B (en) 1984-08-10
SE7812133L (en) 1979-05-31

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