JPS6120458A - 話中音信号変換回路 - Google Patents

話中音信号変換回路

Info

Publication number
JPS6120458A
JPS6120458A JP14014984A JP14014984A JPS6120458A JP S6120458 A JPS6120458 A JP S6120458A JP 14014984 A JP14014984 A JP 14014984A JP 14014984 A JP14014984 A JP 14014984A JP S6120458 A JPS6120458 A JP S6120458A
Authority
JP
Japan
Prior art keywords
signal
digital data
busy tone
data network
telephone exchange
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
JP14014984A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0331306B2 (enrdf_load_stackoverflow
Inventor
Junichi Kimura
順一 木村
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP14014984A priority Critical patent/JPS6120458A/ja
Publication of JPS6120458A publication Critical patent/JPS6120458A/ja
Publication of JPH0331306B2 publication Critical patent/JPH0331306B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/50—Conversion between different kinds of signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
JP14014984A 1984-07-06 1984-07-06 話中音信号変換回路 Granted JPS6120458A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14014984A JPS6120458A (ja) 1984-07-06 1984-07-06 話中音信号変換回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14014984A JPS6120458A (ja) 1984-07-06 1984-07-06 話中音信号変換回路

Publications (2)

Publication Number Publication Date
JPS6120458A true JPS6120458A (ja) 1986-01-29
JPH0331306B2 JPH0331306B2 (enrdf_load_stackoverflow) 1991-05-02

Family

ID=15262009

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14014984A Granted JPS6120458A (ja) 1984-07-06 1984-07-06 話中音信号変換回路

Country Status (1)

Country Link
JP (1) JPS6120458A (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1831019B (zh) 2001-12-19 2010-05-12 株式会社日本触媒 吸水性树脂及其制备方法
TWI353360B (en) 2005-04-07 2011-12-01 Nippon Catalytic Chem Ind Production process of polyacrylic acid (salt) wate
TWI394789B (zh) 2005-12-22 2013-05-01 Nippon Catalytic Chem Ind 吸水性樹脂組成物及其製造方法、吸收性物品
EP1837348B9 (en) 2006-03-24 2020-01-08 Nippon Shokubai Co.,Ltd. Water-absorbing resin and method for manufacturing the same
WO2011040472A1 (ja) 2009-09-29 2011-04-07 株式会社日本触媒 粒子状吸水剤及びその製造方法

Also Published As

Publication number Publication date
JPH0331306B2 (enrdf_load_stackoverflow) 1991-05-02

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