JPS4978418A - - Google Patents

Info

Publication number
JPS4978418A
JPS4978418A JP12054372A JP12054372A JPS4978418A JP S4978418 A JPS4978418 A JP S4978418A JP 12054372 A JP12054372 A JP 12054372A JP 12054372 A JP12054372 A JP 12054372A JP S4978418 A JPS4978418 A JP S4978418A
Authority
JP
Japan
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
JP12054372A
Other languages
Japanese (ja)
Other versions
JPS5617867B2 (OSRAM
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 filed Critical
Priority to JP12054372A priority Critical patent/JPS5617867B2/ja
Publication of JPS4978418A publication Critical patent/JPS4978418A/ja
Publication of JPS5617867B2 publication Critical patent/JPS5617867B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Devices For Supply Of Signal Current (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
JP12054372A 1972-11-30 1972-11-30 Expired JPS5617867B2 (OSRAM)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12054372A JPS5617867B2 (OSRAM) 1972-11-30 1972-11-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12054372A JPS5617867B2 (OSRAM) 1972-11-30 1972-11-30

Publications (2)

Publication Number Publication Date
JPS4978418A true JPS4978418A (OSRAM) 1974-07-29
JPS5617867B2 JPS5617867B2 (OSRAM) 1981-04-24

Family

ID=14788884

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12054372A Expired JPS5617867B2 (OSRAM) 1972-11-30 1972-11-30

Country Status (1)

Country Link
JP (1) JPS5617867B2 (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5389306A (en) * 1977-01-17 1978-08-05 Hitachi Ltd Dc current supplying circuit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3649769A (en) * 1970-10-28 1972-03-14 Gen Electric Circuit for supplying direct current to a telephone line

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3649769A (en) * 1970-10-28 1972-03-14 Gen Electric Circuit for supplying direct current to a telephone line

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5389306A (en) * 1977-01-17 1978-08-05 Hitachi Ltd Dc current supplying circuit

Also Published As

Publication number Publication date
JPS5617867B2 (OSRAM) 1981-04-24

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