JPS60136578U - ボタン電話機 - Google Patents

ボタン電話機

Info

Publication number
JPS60136578U
JPS60136578U JP2304084U JP2304084U JPS60136578U JP S60136578 U JPS60136578 U JP S60136578U JP 2304084 U JP2304084 U JP 2304084U JP 2304084 U JP2304084 U JP 2304084U JP S60136578 U JPS60136578 U JP S60136578U
Authority
JP
Japan
Prior art keywords
line
signal
main device
audio frequency
telephone
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
JP2304084U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0326713Y2 (enrdf_load_stackoverflow
Inventor
関根　勝行
Original Assignee
株式会社田村電機製作所
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 株式会社田村電機製作所 filed Critical 株式会社田村電機製作所
Priority to JP2304084U priority Critical patent/JPS60136578U/ja
Publication of JPS60136578U publication Critical patent/JPS60136578U/ja
Application granted granted Critical
Publication of JPH0326713Y2 publication Critical patent/JPH0326713Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP2304084U 1984-02-22 1984-02-22 ボタン電話機 Granted JPS60136578U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2304084U JPS60136578U (ja) 1984-02-22 1984-02-22 ボタン電話機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2304084U JPS60136578U (ja) 1984-02-22 1984-02-22 ボタン電話機

Publications (2)

Publication Number Publication Date
JPS60136578U true JPS60136578U (ja) 1985-09-10
JPH0326713Y2 JPH0326713Y2 (enrdf_load_stackoverflow) 1991-06-10

Family

ID=30515906

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2304084U Granted JPS60136578U (ja) 1984-02-22 1984-02-22 ボタン電話機

Country Status (1)

Country Link
JP (1) JPS60136578U (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0326713Y2 (enrdf_load_stackoverflow) 1991-06-10

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