JPS52122020A - Calling signal system - Google Patents
Calling signal systemInfo
- Publication number
- JPS52122020A JPS52122020A JP3838876A JP3838876A JPS52122020A JP S52122020 A JPS52122020 A JP S52122020A JP 3838876 A JP3838876 A JP 3838876A JP 3838876 A JP3838876 A JP 3838876A JP S52122020 A JPS52122020 A JP S52122020A
- Authority
- JP
- Japan
- Prior art keywords
- calling signal
- signal system
- calling
- cycle
- signal
- 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.)
- Pending
Links
Abstract
PURPOSE: To resolve the difficulty of the identification caused by the degradation of service caused by the long dialing delay time or the disunity of the calling signal cycle by sending the calling tone having the unified cycle or the calling signal in the most short no signal state to the subscriber.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3838876A JPS52122020A (en) | 1976-04-06 | 1976-04-06 | Calling signal system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3838876A JPS52122020A (en) | 1976-04-06 | 1976-04-06 | Calling signal system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52122020A true JPS52122020A (en) | 1977-10-13 |
Family
ID=12523887
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3838876A Pending JPS52122020A (en) | 1976-04-06 | 1976-04-06 | Calling signal system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52122020A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5972264A (en) * | 1982-10-18 | 1984-04-24 | Nakayo Tsushinki:Kk | Call signal control circuit |
-
1976
- 1976-04-06 JP JP3838876A patent/JPS52122020A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5972264A (en) * | 1982-10-18 | 1984-04-24 | Nakayo Tsushinki:Kk | Call signal control circuit |
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