JPS5310203A - Telephone circuit - Google Patents

Telephone circuit

Info

Publication number
JPS5310203A
JPS5310203A JP8422376A JP8422376A JPS5310203A JP S5310203 A JPS5310203 A JP S5310203A JP 8422376 A JP8422376 A JP 8422376A JP 8422376 A JP8422376 A JP 8422376A JP S5310203 A JPS5310203 A JP S5310203A
Authority
JP
Japan
Prior art keywords
telephone circuit
uniformalize
economy
wires
magnitude
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
JP8422376A
Other languages
Japanese (ja)
Other versions
JPS555945B2 (en
Inventor
Yasuhiro Ono
Takayuki Yamazaki
Isao Kawashima
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.)
Iwatsu Electric Co Ltd
Nippon Telegraph and Telephone Corp
Original Assignee
Iwatsu Electric Co Ltd
Nippon Telegraph and Telephone 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 Iwatsu Electric Co Ltd, Nippon Telegraph and Telephone Corp filed Critical Iwatsu Electric Co Ltd
Priority to JP8422376A priority Critical patent/JPS5310203A/en
Publication of JPS5310203A publication Critical patent/JPS5310203A/en
Publication of JPS555945B2 publication Critical patent/JPS555945B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/738—Interface circuits for coupling substations to external telephone lines
    • H04M1/76—Compensating for differences in line impedance

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)

Abstract

PURPOSE:To uniformalize the communication quality with economy, by utilizing the production of difference depending on the magnitude of line loss and the size of wires for DC current form the telephone stations.
JP8422376A 1976-07-15 1976-07-15 Telephone circuit Granted JPS5310203A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8422376A JPS5310203A (en) 1976-07-15 1976-07-15 Telephone circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8422376A JPS5310203A (en) 1976-07-15 1976-07-15 Telephone circuit

Publications (2)

Publication Number Publication Date
JPS5310203A true JPS5310203A (en) 1978-01-30
JPS555945B2 JPS555945B2 (en) 1980-02-12

Family

ID=13824469

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8422376A Granted JPS5310203A (en) 1976-07-15 1976-07-15 Telephone circuit

Country Status (1)

Country Link
JP (1) JPS5310203A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6088945U (en) * 1983-11-28 1985-06-18 東都　利定 Metal grains that stimulate pressure points on the human body
JPS60155545U (en) * 1984-03-26 1985-10-16 野口　僖美 treatment device

Also Published As

Publication number Publication date
JPS555945B2 (en) 1980-02-12

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