CN1080068C - 数字传送方式 - Google Patents

数字传送方式 Download PDF

Info

Publication number
CN1080068C
CN1080068C CN94106918A CN94106918A CN1080068C CN 1080068 C CN1080068 C CN 1080068C CN 94106918 A CN94106918 A CN 94106918A CN 94106918 A CN94106918 A CN 94106918A CN 1080068 C CN1080068 C CN 1080068C
Authority
CN
China
Prior art keywords
digital
telephone set
circuit
pulse signal
short pulse
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 - Fee Related
Application number
CN94106918A
Other languages
English (en)
Chinese (zh)
Other versions
CN1113063A (zh
Inventor
安东达彦
小林雄二
熊仓真澄
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.)
Hitachi Ltd
Original Assignee
Hitachi Telecom Technologies 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 Hitachi Telecom Technologies Ltd filed Critical Hitachi Telecom Technologies Ltd
Publication of CN1113063A publication Critical patent/CN1113063A/zh
Application granted granted Critical
Publication of CN1080068C publication Critical patent/CN1080068C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H04Q11/0435—Details
    • H04Q11/0457—Connection protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/009—Arrangements for interconnection between switching centres in systems involving PBX or KTS networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H04Q11/0435—Details
    • H04Q11/0471—Terminal access circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/107—Control equipment for part of the connection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13034—A/D conversion, code compression/expansion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13096—Digital apparatus individually associated with a subscriber line, digital line circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13107—Control equipment for a part of the connection, distributed control, co-processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13176—Common channel signaling, CCS7
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13204—Protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13209—ISDN
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13216—Code signals, frame structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/1322—PBX
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13299—Bus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/176—Common channel signalling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/216—Code signals; Framing (not synchronizing)
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/22—PBX
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/299—Bus

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Dc Digital Transmission (AREA)
  • Telephonic Communication Services (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
CN94106918A 1993-06-03 1994-06-03 数字传送方式 Expired - Fee Related CN1080068C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP15794493A JP3263188B2 (ja) 1993-06-03 1993-06-03 デジタル伝送方式
JP157944/93 1993-06-03

Publications (2)

Publication Number Publication Date
CN1113063A CN1113063A (zh) 1995-12-06
CN1080068C true CN1080068C (zh) 2002-02-27

Family

ID=15660888

Family Applications (1)

Application Number Title Priority Date Filing Date
CN94106918A Expired - Fee Related CN1080068C (zh) 1993-06-03 1994-06-03 数字传送方式

Country Status (5)

Country Link
US (1) US5719855A (enExample)
JP (1) JP3263188B2 (enExample)
KR (1) KR100306062B1 (enExample)
CN (1) CN1080068C (enExample)
TW (1) TW254025B (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001024739A (ja) 1999-07-05 2001-01-26 Hitachi Ltd 電話機回路
US6744880B1 (en) 2000-01-18 2004-06-01 Telescan Corporation Method for creating a telephone digital switching platform
JP2017092702A (ja) * 2015-11-10 2017-05-25 株式会社高砂製作所 通信システム及び通信方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3316470A1 (de) * 1983-05-05 1984-11-08 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung fuer ein teilnehmeranschluss in einem diensteintegrierenden digitalnetz (isdn)
DE3425720A1 (de) * 1984-07-12 1986-01-23 Siemens AG, 1000 Berlin und 8000 München Verfahren zur herstellung von internverbindungen zwischen zwei in busstruktur installierten endgeraeten desselben teilnehmers eines dienstintegrierten digitalen nachrichtennetzes
US4635255A (en) * 1985-07-26 1987-01-06 Advanced Micro Devices, Inc. Digital subscriber controller
JPH0640647B2 (ja) * 1985-08-01 1994-05-25 国際電信電話株式会社 Ｉｓｄｎ端末間内線通信方式
US4835769A (en) * 1988-01-29 1989-05-30 Racal Data Communications Inc. Passive bus communication for ISDN
JP2531242B2 (ja) * 1988-06-07 1996-09-04 日本電気株式会社 Ｉｓｄｎ網終端装置
DE3887330D1 (de) * 1988-09-02 1994-03-03 Siemens Ag Verfahren und Anordnung zur Sprechererkennung in einer Fernsprechvermittlungsanlage.
US5204860A (en) * 1990-12-05 1993-04-20 Northern Telecom Limited Network terminating terminal apparatus for integrated services digital network
US5309440A (en) * 1991-09-06 1994-05-03 Kokusai Denshin Denwa Kabushiki Kaisha ISDN user-network interface system

Also Published As

Publication number Publication date
TW254025B (enExample) 1995-08-11
JP3263188B2 (ja) 2002-03-04
KR950002291A (ko) 1995-01-04
US5719855A (en) 1998-02-17
KR100306062B1 (ko) 2001-11-30
JPH06350696A (ja) 1994-12-22
CN1113063A (zh) 1995-12-06

Similar Documents

Publication Publication Date Title
CN1076921C (zh) 话音／图象同时通信设备
CN1027214C (zh) 等时权标环用的枢纽和接口
CN1129505A (zh) 任选总线适配器
CN87104377A (zh) 综合业务数据网d信道信息处理机
CN1049079A (zh) 增加了数字通信方式的主线系统
TW200849946A (en) Portable video communication device with multi-illumination source
JPH0879341A (ja) コードレス電話機
CN1080068C (zh) 数字传送方式
KR20060037807A (ko) 서로 이격된 두 단말기 사이의 데이터 전송 시스템 및 방법
CN88100083A (zh) 用于单元间通讯的控制系统
JPH0744715B2 (ja) デジタル・キー電話システム
CN1086885C (zh) 信号接收和信号发送单元
CN1159898C (zh) 多媒体终端装置
CN1838721A (zh) 传真装置
CN100340090C (zh) 双网ip电话的实现方法及双网ip电话集线器
US20080070607A1 (en) Apparatus and method for transmitting/receiving binary data in short message system
US7088709B1 (en) Communication system
GB2072464A (en) Line supplied telephone interface
CN1141830C (zh) 宽带网络电话
JP3533409B2 (ja) 電話交換システム
US6671375B1 (en) Telephone circuit
CN104993868B (zh) 固定电话延伸方法及系统
CN1032890C (zh) 通信线路匹配装置及其方法
KR100857322B1 (ko) 전원공급 기반의 공유기
JP2002135820A (ja) デジタル電話機

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: HITACHI COMMUNICATION TECHNOLOGY CO., LTD.

Free format text: FORMER NAME OR ADDRESS: HITACHI TELECOM TECHNOLOGIES, LTD.

CP03 Change of name, title or address

Address after: Tokyo, Japan, Japan

Patentee after: Hitachi Communications Technology Co., Ltd.

Address before: Fukushima

Patentee before: Hitachi Telecom Technologies, Ltd.

C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee