JPH0224424B2 - - Google Patents

Info

Publication number
JPH0224424B2
JPH0224424B2 JP20808184A JP20808184A JPH0224424B2 JP H0224424 B2 JPH0224424 B2 JP H0224424B2 JP 20808184 A JP20808184 A JP 20808184A JP 20808184 A JP20808184 A JP 20808184A JP H0224424 B2 JPH0224424 B2 JP H0224424B2
Authority
JP
Japan
Prior art keywords
voltage
resistor
vls
signal
polarity
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.)
Expired
Application number
JP20808184A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6188643A (ja
Inventor
Yoshio Shinoda
Akyoshi Fukazawa
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.)
Tamura Electric Works Ltd
Original Assignee
Tamura Electric Works Ltd
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 Tamura Electric Works Ltd filed Critical Tamura Electric Works Ltd
Priority to JP20808184A priority Critical patent/JPS6188643A/ja
Publication of JPS6188643A publication Critical patent/JPS6188643A/ja
Publication of JPH0224424B2 publication Critical patent/JPH0224424B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
JP20808184A 1984-10-05 1984-10-05 ハンドフリ−回路 Granted JPS6188643A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20808184A JPS6188643A (ja) 1984-10-05 1984-10-05 ハンドフリ−回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20808184A JPS6188643A (ja) 1984-10-05 1984-10-05 ハンドフリ−回路

Publications (2)

Publication Number Publication Date
JPS6188643A JPS6188643A (ja) 1986-05-06
JPH0224424B2 true JPH0224424B2 (en]) 1990-05-29

Family

ID=16550324

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20808184A Granted JPS6188643A (ja) 1984-10-05 1984-10-05 ハンドフリ−回路

Country Status (1)

Country Link
JP (1) JPS6188643A (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6412649A (en) * 1987-07-06 1989-01-17 Nec Corp Variable gain circuit for loudspeaker telephone set

Also Published As

Publication number Publication date
JPS6188643A (ja) 1986-05-06

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