JPS648761A - Key telephone system - Google Patents
Key telephone systemInfo
- Publication number
- JPS648761A JPS648761A JP16450587A JP16450587A JPS648761A JP S648761 A JPS648761 A JP S648761A JP 16450587 A JP16450587 A JP 16450587A JP 16450587 A JP16450587 A JP 16450587A JP S648761 A JPS648761 A JP S648761A
- Authority
- JP
- Japan
- Prior art keywords
- control circuit
- central control
- coin
- information
- telephone set
- 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 contrive the collection of a calling charge automatically and easily by adopting a constitution so that communication is applied for a prescribed time in response to the payed charge. CONSTITUTION:In outgoing call from a coin telephone set 3 to a trunk line 16, a hook switch 25 is unhooked and a coin is deposited, then the information is sent from a telephone set control circuit 23 to a central control circuit 13 of a main equipment 1. On the other hand, a charging control circuit 14 receives dial information from a central control circuit 13 to calculate how many seconds form one call for the calling and when the charge setting is inputted by a program setting circuit 13, the charging information is sent to the central control circuit 13. Since the central control circuit 13 sends the chache information to the telephone set control circuit 23, if the deposited coin is insufficient for further calling, it is detected by a coin detection deposition section 22 and informed to the central control circuit 13 to terminate the call forcibly.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16450587A JPS648761A (en) | 1987-07-01 | 1987-07-01 | Key telephone system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16450587A JPS648761A (en) | 1987-07-01 | 1987-07-01 | Key telephone system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS648761A true JPS648761A (en) | 1989-01-12 |
Family
ID=15794435
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16450587A Pending JPS648761A (en) | 1987-07-01 | 1987-07-01 | Key telephone system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS648761A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003036707A (en) * | 2001-07-25 | 2003-02-07 | Sanyo Electric Co Ltd | Lighting device and its manufacturing method |
JP2007324547A (en) * | 2006-06-05 | 2007-12-13 | Fujikura Ltd | Light emitting diode light source, illuminator, display unit, and traffic signal |
-
1987
- 1987-07-01 JP JP16450587A patent/JPS648761A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003036707A (en) * | 2001-07-25 | 2003-02-07 | Sanyo Electric Co Ltd | Lighting device and its manufacturing method |
JP2007324547A (en) * | 2006-06-05 | 2007-12-13 | Fujikura Ltd | Light emitting diode light source, illuminator, display unit, and traffic signal |
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