JPS5994959A - 加入者線電圧極性反転方式 - Google Patents

加入者線電圧極性反転方式

Info

Publication number
JPS5994959A
JPS5994959A JP57205190A JP20519082A JPS5994959A JP S5994959 A JPS5994959 A JP S5994959A JP 57205190 A JP57205190 A JP 57205190A JP 20519082 A JP20519082 A JP 20519082A JP S5994959 A JPS5994959 A JP S5994959A
Authority
JP
Japan
Prior art keywords
voltage
power supply
polarity
subscriber line
subscriber
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
JP57205190A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6317389B2 (cs
Inventor
Koichi Hagishima
萩島　功一
Takeo Koinuma
濃沼　健夫
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP57205190A priority Critical patent/JPS5994959A/ja
Publication of JPS5994959A publication Critical patent/JPS5994959A/ja
Publication of JPS6317389B2 publication Critical patent/JPS6317389B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
JP57205190A 1982-11-22 1982-11-22 加入者線電圧極性反転方式 Granted JPS5994959A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57205190A JPS5994959A (ja) 1982-11-22 1982-11-22 加入者線電圧極性反転方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57205190A JPS5994959A (ja) 1982-11-22 1982-11-22 加入者線電圧極性反転方式

Publications (2)

Publication Number Publication Date
JPS5994959A true JPS5994959A (ja) 1984-05-31
JPS6317389B2 JPS6317389B2 (cs) 1988-04-13

Family

ID=16502890

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57205190A Granted JPS5994959A (ja) 1982-11-22 1982-11-22 加入者線電圧極性反転方式

Country Status (1)

Country Link
JP (1) JPS5994959A (cs)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0364158A (ja) * 1989-07-31 1991-03-19 Sharp Corp 端末用網制御装置
EP0827322A3 (en) * 1996-06-26 1998-11-25 Oki Electric Industry Co., Ltd. Telemetry apparatus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5596755A (en) * 1979-01-17 1980-07-23 Nec Corp Terminal starting system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5596755A (en) * 1979-01-17 1980-07-23 Nec Corp Terminal starting system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0364158A (ja) * 1989-07-31 1991-03-19 Sharp Corp 端末用網制御装置
EP0827322A3 (en) * 1996-06-26 1998-11-25 Oki Electric Industry Co., Ltd. Telemetry apparatus
US6049234A (en) * 1996-06-26 2000-04-11 Oki Electric Industry Co., Ltd. Telemetering apparatus
US6411148B1 (en) 1996-06-26 2002-06-25 Oki Electric Industry Co., Ltd. Telemetering apparatus
EP1585302A3 (en) * 1996-06-26 2010-05-26 Oki Electric Industry Company, Limited Telemetry apparatus

Also Published As

Publication number Publication date
JPS6317389B2 (cs) 1988-04-13

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