JPS59225696A - Key telephone set - Google Patents

Key telephone set

Info

Publication number
JPS59225696A
JPS59225696A JP10041483A JP10041483A JPS59225696A JP S59225696 A JPS59225696 A JP S59225696A JP 10041483 A JP10041483 A JP 10041483A JP 10041483 A JP10041483 A JP 10041483A JP S59225696 A JPS59225696 A JP S59225696A
Authority
JP
Japan
Prior art keywords
section
compacted
detecting
alarm
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.)
Granted
Application number
JP10041483A
Inventor
Kenichi Morikawa
Masaya Takahashi
Original Assignee
Nec Corp
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 Nec Corp filed Critical Nec Corp
Priority to JP10041483A priority Critical patent/JPS59225696A/en
Publication of JPS59225696A publication Critical patent/JPS59225696A/en
Application status is Granted legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M9/00Interconnection arrangements not involving centralised switching
    • H04M9/002Interconnection arrangements not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems

Abstract

PURPOSE:To eliminate the accidental erasure of an existing memory by detecting the storage state of a memory area section to be written and giving a notice to a operator without fail in writing a compacted dial number. CONSTITUTION:A compacted number memory 11 is provided to a main control section 10 in a master device (not shown). When a compacted dial button is depressed in a telephone set 1.1 and the mode is brought into the compacted dial write state, a compacted number write detecting section 13 detects whether or not any information is written already in the area section in this memory 11. If any information is written already in this memory area section, the detecting section detects it and gives a detecting signal to an alarm generating section 14. When the alarm generating section 14 receives said detecting signal, the section 14 transmits an alarm signal rasing an alarm to the telephone set 1.1 under writing operation, and an alarming lamp 4 is controlled for flicker display on the telephone set 1.1 and the alarm sound through a speaker is generated.
JP10041483A 1983-06-06 1983-06-06 Key telephone set Granted JPS59225696A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10041483A JPS59225696A (en) 1983-06-06 1983-06-06 Key telephone set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10041483A JPS59225696A (en) 1983-06-06 1983-06-06 Key telephone set

Publications (1)

Publication Number Publication Date
JPS59225696A true JPS59225696A (en) 1984-12-18

Family

ID=14273318

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10041483A Granted JPS59225696A (en) 1983-06-06 1983-06-06 Key telephone set

Country Status (1)

Country Link
JP (1) JPS59225696A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63104555A (en) * 1986-10-21 1988-05-10 Canon Inc Communication device
JPH0244460U (en) * 1988-09-21 1990-03-27
EP0410344A2 (en) * 1989-07-24 1991-01-30 Nec Corporation Apparatus and method for control of storing information into dial memories in a telephone set
US5247572A (en) * 1989-07-24 1993-09-21 Nec Corporation Apparatus for control of storing information into dial memories in a telephone set

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63104555A (en) * 1986-10-21 1988-05-10 Canon Inc Communication device
JPH0244460U (en) * 1988-09-21 1990-03-27
EP0410344A2 (en) * 1989-07-24 1991-01-30 Nec Corporation Apparatus and method for control of storing information into dial memories in a telephone set
US5247572A (en) * 1989-07-24 1993-09-21 Nec Corporation Apparatus for control of storing information into dial memories in a telephone set

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