JPS5422722B2 - - Google Patents

Info

Publication number
JPS5422722B2
JPS5422722B2 JP9283875A JP9283875A JPS5422722B2 JP S5422722 B2 JPS5422722 B2 JP S5422722B2 JP 9283875 A JP9283875 A JP 9283875A JP 9283875 A JP9283875 A JP 9283875A JP S5422722 B2 JPS5422722 B2 JP S5422722B2
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.)
Expired
Application number
JP9283875A
Other languages
Japanese (ja)
Other versions
JPS5216106A (en
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 JP9283875A priority Critical patent/JPS5216106A/ja
Publication of JPS5216106A publication Critical patent/JPS5216106A/ja
Publication of JPS5422722B2 publication Critical patent/JPS5422722B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
JP9283875A 1975-07-29 1975-07-29 Telephone call unit Granted JPS5216106A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9283875A JPS5216106A (en) 1975-07-29 1975-07-29 Telephone call unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9283875A JPS5216106A (en) 1975-07-29 1975-07-29 Telephone call unit

Publications (2)

Publication Number Publication Date
JPS5216106A JPS5216106A (en) 1977-02-07
JPS5422722B2 true JPS5422722B2 (zh) 1979-08-08

Family

ID=14065562

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9283875A Granted JPS5216106A (en) 1975-07-29 1975-07-29 Telephone call unit

Country Status (1)

Country Link
JP (1) JPS5216106A (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6256315B2 (zh) * 1981-09-16 1987-11-25 Ooi Seisakusho Kk
JPH0315728Y2 (zh) * 1981-08-29 1991-04-05

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0315728Y2 (zh) * 1981-08-29 1991-04-05
JPS6256315B2 (zh) * 1981-09-16 1987-11-25 Ooi Seisakusho Kk

Also Published As

Publication number Publication date
JPS5216106A (en) 1977-02-07

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