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
Links
Landscapes
- Monitoring And Testing Of Transmission In General (AREA)
- Mobile Radio Communication Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0443036U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1990-08-09 | 1992-04-13 |
-
1985
- 1985-03-26 JP JP60059401A patent/JPS61219232A/ja active Granted
Cited By (1)
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 |