JPS6486795A - Capacitive coupling cancelation circuit between adjacent voice signal paths - Google Patents

Capacitive coupling cancelation circuit between adjacent voice signal paths

Info

Publication number
JPS6486795A
JPS6486795A JP24461387A JP24461387A JPS6486795A JP S6486795 A JPS6486795 A JP S6486795A JP 24461387 A JP24461387 A JP 24461387A JP 24461387 A JP24461387 A JP 24461387A JP S6486795 A JPS6486795 A JP S6486795A
Authority
JP
Japan
Prior art keywords
voice signal
signal paths
capacitive coupling
adjacent
path
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
JP24461387A
Other languages
Japanese (ja)
Inventor
Yoshihiro Akita
Takeshi Horiuchi
Taiji Sato
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Priority to JP24461387A priority Critical patent/JPS6486795A/en
Publication of JPS6486795A publication Critical patent/JPS6486795A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To prevent cross talk due to capacitive coupling between adjacent voice signal paths from being generated by providing a phase inversion circuit and a circuit consisting of a capacitor between the adjacent voice signal paths bidirectionally, and inverting the phase of a voice signal on one side between the voice signal paths with each other and superposing it on the voice signal path on the other side. CONSTITUTION:Capacitive coupling cancelation circuits A, B, C, and D are provided between the adjacent voice signal paths in the voice signal paths 7(1), 8(1), and 9(1) of a parallel wiring patterned unbalance transmission system. In the cancelation circuit A, the voice signal of the voice signal path 7(1) is inputted to an operational amplifier 100 via a resistor 200. The operational amplifier 100 is provided with a feedback resistance 201, and outputs an input signal after inverting the phase of the signal, and is superposed on the voice signal path 8(1) with, for example, a capacitive coupling value C1 via a capacitor 300. Therefore, by conforming the C1 to the capacitive coupling value between the voice signal paths 7(1) and 8(1), it is possible to cancel a cross talk component from the voice speech path 7(1) to 8(1).
JP24461387A 1987-09-29 1987-09-29 Capacitive coupling cancelation circuit between adjacent voice signal paths Pending JPS6486795A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP24461387A JPS6486795A (en) 1987-09-29 1987-09-29 Capacitive coupling cancelation circuit between adjacent voice signal paths

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24461387A JPS6486795A (en) 1987-09-29 1987-09-29 Capacitive coupling cancelation circuit between adjacent voice signal paths

Publications (1)

Publication Number Publication Date
JPS6486795A true JPS6486795A (en) 1989-03-31

Family

ID=17121341

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24461387A Pending JPS6486795A (en) 1987-09-29 1987-09-29 Capacitive coupling cancelation circuit between adjacent voice signal paths

Country Status (1)

Country Link
JP (1) JPS6486795A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0603667A2 (en) * 1992-12-23 1994-06-29 Panduit Corp. Communication connector with capacitor label
US6765384B2 (en) 2002-07-01 2004-07-20 Halliburton Energy Services, Inc. Method and apparatus employing phase cycling for reducing crosstalk in downhole tools

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0603667A2 (en) * 1992-12-23 1994-06-29 Panduit Corp. Communication connector with capacitor label
EP0603667A3 (en) * 1992-12-23 1996-01-24 Panduit Corp Communication connector with capacitor label.
US6765384B2 (en) 2002-07-01 2004-07-20 Halliburton Energy Services, Inc. Method and apparatus employing phase cycling for reducing crosstalk in downhole tools

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