JPH0331306B2 - - Google Patents

Info

Publication number
JPH0331306B2
JPH0331306B2 JP14014984A JP14014984A JPH0331306B2 JP H0331306 B2 JPH0331306 B2 JP H0331306B2 JP 14014984 A JP14014984 A JP 14014984A JP 14014984 A JP14014984 A JP 14014984A JP H0331306 B2 JPH0331306 B2 JP H0331306B2
Authority
JP
Japan
Prior art keywords
busy tone
signal
digital data
data network
circuit
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.)
Expired
Application number
JP14014984A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6120458A (ja
Inventor
Junichi Kimura
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
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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
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 JPS6120458A (ja) 1986-01-29
JPH0331306B2 true JPH0331306B2 (de) 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 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8952116B2 (en) 2009-09-29 2015-02-10 Nippon Shokubai Co., Ltd. Particulate water absorbent and process for production thereof
US9062140B2 (en) 2005-04-07 2015-06-23 Nippon Shokubai Co., Ltd. Polyacrylic acid (salt) water-absorbent resin, production process thereof, and acrylic acid used in polymerization for production of water-absorbent resin
US9090718B2 (en) 2006-03-24 2015-07-28 Nippon Shokubai Co., Ltd. Water-absorbing resin and method for manufacturing the same
US10358558B2 (en) 2005-12-22 2019-07-23 Nippon Shokubai Co., Ltd. Water-absorbent resin composition, method of manufacturing the same, and absorbent article

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9062140B2 (en) 2005-04-07 2015-06-23 Nippon Shokubai Co., Ltd. Polyacrylic acid (salt) water-absorbent resin, production process thereof, and acrylic acid used in polymerization for production of water-absorbent resin
US10358558B2 (en) 2005-12-22 2019-07-23 Nippon Shokubai Co., Ltd. Water-absorbent resin composition, method of manufacturing the same, and absorbent article
US9090718B2 (en) 2006-03-24 2015-07-28 Nippon Shokubai Co., Ltd. Water-absorbing resin and method for manufacturing the same
US8952116B2 (en) 2009-09-29 2015-02-10 Nippon Shokubai Co., Ltd. Particulate water absorbent and process for production thereof
US9775927B2 (en) 2009-09-29 2017-10-03 Nippon Shokubai Co., Ltd. Particulate water absorbent and process for production thereof

Also Published As

Publication number Publication date
JPS6120458A (ja) 1986-01-29

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