JPS5863258A - 留守番電話機のピ−プト−ン信号識別回路 - Google Patents

留守番電話機のピ−プト−ン信号識別回路

Info

Publication number
JPS5863258A
JPS5863258A JP16296981A JP16296981A JPS5863258A JP S5863258 A JPS5863258 A JP S5863258A JP 16296981 A JP16296981 A JP 16296981A JP 16296981 A JP16296981 A JP 16296981A JP S5863258 A JPS5863258 A JP S5863258A
Authority
JP
Japan
Prior art keywords
signal
circuit
tone
peep
rectangular wave
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
JP16296981A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6317385B2 (cs
Inventor
Seiichi Omichi
大道　清一
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.)
Tokyo Sanyo Electric Co Ltd
Sanyo Electric Co Ltd
Sanyo Denki Co Ltd
Original Assignee
Tokyo Sanyo Electric Co Ltd
Sanyo Electric Co Ltd
Sanyo Denki 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 Tokyo Sanyo Electric Co Ltd, Sanyo Electric Co Ltd, Sanyo Denki Co Ltd filed Critical Tokyo Sanyo Electric Co Ltd
Priority to JP16296981A priority Critical patent/JPS5863258A/ja
Publication of JPS5863258A publication Critical patent/JPS5863258A/ja
Publication of JPS6317385B2 publication Critical patent/JPS6317385B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
    • H04M1/65—Recording arrangements for recording a message from the calling party

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
JP16296981A 1981-10-12 1981-10-12 留守番電話機のピ−プト−ン信号識別回路 Granted JPS5863258A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16296981A JPS5863258A (ja) 1981-10-12 1981-10-12 留守番電話機のピ−プト−ン信号識別回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16296981A JPS5863258A (ja) 1981-10-12 1981-10-12 留守番電話機のピ−プト−ン信号識別回路

Publications (2)

Publication Number Publication Date
JPS5863258A true JPS5863258A (ja) 1983-04-15
JPS6317385B2 JPS6317385B2 (cs) 1988-04-13

Family

ID=15764713

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16296981A Granted JPS5863258A (ja) 1981-10-12 1981-10-12 留守番電話機のピ−プト−ン信号識別回路

Country Status (1)

Country Link
JP (1) JPS5863258A (cs)

Also Published As

Publication number Publication date
JPS6317385B2 (cs) 1988-04-13

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