AU4179778A - Line amplifier - Google Patents

Line amplifier

Info

Publication number
AU4179778A
AU4179778A AU41797/78A AU4179778A AU4179778A AU 4179778 A AU4179778 A AU 4179778A AU 41797/78 A AU41797/78 A AU 41797/78A AU 4179778 A AU4179778 A AU 4179778A AU 4179778 A AU4179778 A AU 4179778A
Authority
AU
Australia
Prior art keywords
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.)
Granted
Application number
AU41797/78A
Other versions
AU515433B2 (en
Inventor
H. and Muller C Wildmoser
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 AU4179778A publication Critical patent/AU4179778A/en
Application granted granted Critical
Publication of AU515433B2 publication Critical patent/AU515433B2/en
Expired 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)
  • Fire Alarms (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
AU41797/78A 1977-11-30 1978-11-22 Line amplifier Expired AU515433B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2753465A DE2753465C2 (en) 1977-11-30 1977-11-30 Line amplifier for four-wire communications equipment
DEDE2753465 1977-11-30

Publications (2)

Publication Number Publication Date
AU4179778A true AU4179778A (en) 1979-06-07
AU515433B2 AU515433B2 (en) 1981-04-02

Family

ID=6025020

Family Applications (1)

Application Number Title Priority Date Filing Date
AU41797/78A Expired AU515433B2 (en) 1977-11-30 1978-11-22 Line amplifier

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
DE2753465C2 (en) 1979-10-04
DE2753465B1 (en) 1979-01-18
SE7812133L (en) 1979-05-31
AU515433B2 (en) 1981-04-02
NO784019L (en) 1979-05-31
YU281178A (en) 1983-04-30
NL7811729A (en) 1979-06-01
IT7830133A0 (en) 1978-11-24
IT1101136B (en) 1985-09-28
DK534678A (en) 1979-05-31
ATA857578A (en) 1983-12-15
NO145969C (en) 1982-06-30
NO145969B (en) 1982-03-22
YU40050B (en) 1985-06-30
JPS54100212A (en) 1979-08-07
AT375509B (en) 1984-08-10

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