JPS52119807A - Circuit for discriminating using state of transmission line for automatic switching system - Google Patents

Circuit for discriminating using state of transmission line for automatic switching system

Info

Publication number
JPS52119807A
JPS52119807A JP3621776A JP3621776A JPS52119807A JP S52119807 A JPS52119807 A JP S52119807A JP 3621776 A JP3621776 A JP 3621776A JP 3621776 A JP3621776 A JP 3621776A JP S52119807 A JPS52119807 A JP S52119807A
Authority
JP
Japan
Prior art keywords
discriminating
circuit
state
transmission line
switching system
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
JP3621776A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5533235B2 (enExample
Inventor
Katsuo Houjiyou
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.)
Meisei Electric Co Ltd
Original Assignee
Meisei Electric 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 Meisei Electric Co Ltd filed Critical Meisei Electric Co Ltd
Priority to JP3621776A priority Critical patent/JPS52119807A/ja
Publication of JPS52119807A publication Critical patent/JPS52119807A/ja
Publication of JPS5533235B2 publication Critical patent/JPS5533235B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Exchange Systems With Centralized Control (AREA)
JP3621776A 1976-04-01 1976-04-01 Circuit for discriminating using state of transmission line for automatic switching system Granted JPS52119807A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3621776A JPS52119807A (en) 1976-04-01 1976-04-01 Circuit for discriminating using state of transmission line for automatic switching system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3621776A JPS52119807A (en) 1976-04-01 1976-04-01 Circuit for discriminating using state of transmission line for automatic switching system

Publications (2)

Publication Number Publication Date
JPS52119807A true JPS52119807A (en) 1977-10-07
JPS5533235B2 JPS5533235B2 (enExample) 1980-08-29

Family

ID=12463582

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3621776A Granted JPS52119807A (en) 1976-04-01 1976-04-01 Circuit for discriminating using state of transmission line for automatic switching system

Country Status (1)

Country Link
JP (1) JPS52119807A (enExample)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5267504A (en) * 1975-12-02 1977-06-04 Oki Electric Ind Co Ltd Speaking current supply and supervision system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5267504A (en) * 1975-12-02 1977-06-04 Oki Electric Ind Co Ltd Speaking current supply and supervision system

Also Published As

Publication number Publication date
JPS5533235B2 (enExample) 1980-08-29

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