JPS52130509A - Communication transfer unit - Google Patents

Communication transfer unit

Info

Publication number
JPS52130509A
JPS52130509A JP4741976A JP4741976A JPS52130509A JP S52130509 A JPS52130509 A JP S52130509A JP 4741976 A JP4741976 A JP 4741976A JP 4741976 A JP4741976 A JP 4741976A JP S52130509 A JPS52130509 A JP S52130509A
Authority
JP
Japan
Prior art keywords
transfer unit
communication transfer
line
sutoff
hold
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.)
Pending
Application number
JP4741976A
Other languages
Japanese (ja)
Inventor
Kunio Ogita
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP4741976A priority Critical patent/JPS52130509A/en
Publication of JPS52130509A publication Critical patent/JPS52130509A/en
Pending 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

Landscapes

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

Abstract

PURPOSE:To secure automatic sutoff of the outside line by the call completion of the slave telephone with hold of the line wire in case transfer is carried out during tb line busy.
JP4741976A 1976-04-26 1976-04-26 Communication transfer unit Pending JPS52130509A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4741976A JPS52130509A (en) 1976-04-26 1976-04-26 Communication transfer unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4741976A JPS52130509A (en) 1976-04-26 1976-04-26 Communication transfer unit

Publications (1)

Publication Number Publication Date
JPS52130509A true JPS52130509A (en) 1977-11-01

Family

ID=12774624

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4741976A Pending JPS52130509A (en) 1976-04-26 1976-04-26 Communication transfer unit

Country Status (1)

Country Link
JP (1) JPS52130509A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5471508A (en) * 1977-11-18 1979-06-08 Fumiaki Nukada Telephone transfer unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5471508A (en) * 1977-11-18 1979-06-08 Fumiaki Nukada Telephone transfer unit

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