JPS648761A - Key telephone system - Google Patents

Key telephone system

Info

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
Application number
JP16450587A
Other languages
Japanese (ja)
Inventor
Hidemitsu Iwaya
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP16450587A priority Critical patent/JPS648761A/en
Publication of JPS648761A publication Critical patent/JPS648761A/en
Pending legal-status Critical Current

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.
JP16450587A 1987-07-01 1987-07-01 Key telephone system Pending JPS648761A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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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