JPH0369457B2 - - Google Patents

Info

Publication number
JPH0369457B2
JPH0369457B2 JP60059401A JP5940185A JPH0369457B2 JP H0369457 B2 JPH0369457 B2 JP H0369457B2 JP 60059401 A JP60059401 A JP 60059401A JP 5940185 A JP5940185 A JP 5940185A JP H0369457 B2 JPH0369457 B2 JP H0369457B2
Authority
JP
Japan
Prior art keywords
circuit
tone signal
frequency
supervisory audio
phase synchronization
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 - Lifetime
Application number
JP60059401A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61219232A (ja
Inventor
Yoshifumi Toda
Taku Mikami
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP60059401A priority Critical patent/JPS61219232A/ja
Publication of JPS61219232A publication Critical patent/JPS61219232A/ja
Publication of JPH0369457B2 publication Critical patent/JPH0369457B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Mobile Radio Communication Systems (AREA)
JP60059401A 1985-03-26 1985-03-26 ス−パバイザリ・オ−ディオ・ト−ン信号検出装置 Granted JPS61219232A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60059401A JPS61219232A (ja) 1985-03-26 1985-03-26 ス−パバイザリ・オ−ディオ・ト−ン信号検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60059401A JPS61219232A (ja) 1985-03-26 1985-03-26 ス−パバイザリ・オ−ディオ・ト−ン信号検出装置

Publications (2)

Publication Number Publication Date
JPS61219232A JPS61219232A (ja) 1986-09-29
JPH0369457B2 true JPH0369457B2 (enExample) 1991-11-01

Family

ID=13112216

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60059401A Granted JPS61219232A (ja) 1985-03-26 1985-03-26 ス−パバイザリ・オ−ディオ・ト−ン信号検出装置

Country Status (1)

Country Link
JP (1) JPS61219232A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0443036U (enExample) * 1990-08-09 1992-04-13

Also Published As

Publication number Publication date
JPS61219232A (ja) 1986-09-29

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees