JPS61219232A - ス−パバイザリ・オ−ディオ・ト−ン信号検出装置 - Google Patents

ス−パバイザリ・オ−ディオ・ト−ン信号検出装置

Info

Publication number
JPS61219232A
JPS61219232A JP60059401A JP5940185A JPS61219232A JP S61219232 A JPS61219232 A JP S61219232A JP 60059401 A JP60059401 A JP 60059401A JP 5940185 A JP5940185 A JP 5940185A JP S61219232 A JPS61219232 A JP S61219232A
Authority
JP
Japan
Prior art keywords
circuit
tone signal
frequency
audio tone
supervisory audio
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
JP60059401A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0369457B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Yoshifumi Toda
戸田 善文
Taku Mikami
卓 三上
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

  • Monitoring And Testing Of Transmission In General (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (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 true JPS61219232A (ja) 1986-09-29
JPH0369457B2 JPH0369457B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0443036U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1990-08-09 1992-04-13

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0443036U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1990-08-09 1992-04-13

Also Published As

Publication number Publication date
JPH0369457B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-11-01

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Legal Events

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