JPS601996A - 内線ハンドフリ−回路 - Google Patents

内線ハンドフリ−回路

Info

Publication number
JPS601996A
JPS601996A JP58108910A JP10891083A JPS601996A JP S601996 A JPS601996 A JP S601996A JP 58108910 A JP58108910 A JP 58108910A JP 10891083 A JP10891083 A JP 10891083A JP S601996 A JPS601996 A JP S601996A
Authority
JP
Japan
Prior art keywords
circuit
signal
extension
free
amplifier
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
JP58108910A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0325080B2 (en]
Inventor
Masahiko Tsuchida
正彦 土田
Akio Doi
土肥　昭穂
Norio Saneyoshi
実吉　憲郎
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
Iwasaki Tsushinki KK
Original Assignee
Iwatsu Electric Co Ltd
Iwasaki Tsushinki KK
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, Iwasaki Tsushinki KK filed Critical Iwatsu Electric Co Ltd
Priority to JP58108910A priority Critical patent/JPS601996A/ja
Publication of JPS601996A publication Critical patent/JPS601996A/ja
Publication of JPH0325080B2 publication Critical patent/JPH0325080B2/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
    • H04M1/71—Substation extension arrangements
    • H04M1/715—Substation extension arrangements using two or more extensions per line

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP58108910A 1983-06-17 1983-06-17 内線ハンドフリ−回路 Granted JPS601996A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58108910A JPS601996A (ja) 1983-06-17 1983-06-17 内線ハンドフリ−回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58108910A JPS601996A (ja) 1983-06-17 1983-06-17 内線ハンドフリ−回路

Publications (2)

Publication Number Publication Date
JPS601996A true JPS601996A (ja) 1985-01-08
JPH0325080B2 JPH0325080B2 (en]) 1991-04-04

Family

ID=14496730

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58108910A Granted JPS601996A (ja) 1983-06-17 1983-06-17 内線ハンドフリ−回路

Country Status (1)

Country Link
JP (1) JPS601996A (en])

Also Published As

Publication number Publication date
JPH0325080B2 (en]) 1991-04-04

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