JPS57178410A - Signal coupling device - Google Patents

Signal coupling device

Info

Publication number
JPS57178410A
JPS57178410A JP5613482A JP5613482A JPS57178410A JP S57178410 A JPS57178410 A JP S57178410A JP 5613482 A JP5613482 A JP 5613482A JP 5613482 A JP5613482 A JP 5613482A JP S57178410 A JPS57178410 A JP S57178410A
Authority
JP
Japan
Prior art keywords
coupling device
signal coupling
signal
coupling
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.)
Pending
Application number
JP5613482A
Other languages
Japanese (ja)
Inventor
Toomasu Kaasuten Rarufu
Sobii Nakura Maikeru
Buraian Debitsudo B Chiyaaruzu
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.)
Nortel Networks Ltd
Original Assignee
Northern Telecom 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 Northern Telecom Ltd filed Critical Northern Telecom Ltd
Publication of JPS57178410A publication Critical patent/JPS57178410A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0002—Modulated-carrier systems analog front ends; means for connecting modulators, demodulators or transceivers to a transmission line
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H04M11/062—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors using different frequency bands for speech and other data
JP5613482A 1981-04-06 1982-04-06 Signal coupling device Pending JPS57178410A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000374737A CA1158789A (en) 1981-04-06 1981-04-06 Filters comprising reactive components, and a method of determining impedances thereof

Publications (1)

Publication Number Publication Date
JPS57178410A true JPS57178410A (en) 1982-11-02

Family

ID=4119647

Family Applications (2)

Application Number Title Priority Date Filing Date
JP5613582A Pending JPS57178409A (en) 1981-04-06 1982-04-06 Filter with reactive component and method and device for deciding impedance thereof
JP5613482A Pending JPS57178410A (en) 1981-04-06 1982-04-06 Signal coupling device

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP5613582A Pending JPS57178409A (en) 1981-04-06 1982-04-06 Filter with reactive component and method and device for deciding impedance thereof

Country Status (2)

Country Link
JP (2) JPS57178409A (en)
CA (1) CA1158789A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2583742Y2 (en) * 1991-09-30 1998-10-27 シロキ工業株式会社 Door opener cancellation mechanism
JP4752157B2 (en) * 2001-08-27 2011-08-17 株式会社村田製作所 Coil device
JP6249023B2 (en) * 2013-12-12 2017-12-20 株式会社村田製作所 Filter parts

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5330250A (en) * 1976-09-02 1978-03-22 Mitsubishi Electric Corp Network for speaker unit
JPS5528606A (en) * 1978-08-21 1980-02-29 Nippon Telegr & Teleph Corp <Ntt> Transmission system of subscriber line

Also Published As

Publication number Publication date
CA1158789A (en) 1983-12-13
JPS57178409A (en) 1982-11-02

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