CN1319411C - 用于话音通信的方法和设备 - Google Patents

用于话音通信的方法和设备 Download PDF

Info

Publication number
CN1319411C
CN1319411C CNB99802337XA CN99802337A CN1319411C CN 1319411 C CN1319411 C CN 1319411C CN B99802337X A CNB99802337X A CN B99802337XA CN 99802337 A CN99802337 A CN 99802337A CN 1319411 C CN1319411 C CN 1319411C
Authority
CN
China
Prior art keywords
microphone
input
bias voltage
inputs
voice signal
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
CNB99802337XA
Other languages
English (en)
Chinese (zh)
Other versions
CN1288648A (zh
Inventor
L·斯伦
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of CN1288648A publication Critical patent/CN1288648A/zh
Application granted granted Critical
Publication of CN1319411C publication Critical patent/CN1319411C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Telephone Function (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
CNB99802337XA 1998-01-22 1999-01-21 用于话音通信的方法和设备 Expired - Fee Related CN1319411C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI980140 1998-01-22
FI980140A FI105379B (sv) 1998-01-22 1998-01-22 Förfarande och arrangemang för ljudkommunikation

Publications (2)

Publication Number Publication Date
CN1288648A CN1288648A (zh) 2001-03-21
CN1319411C true CN1319411C (zh) 2007-05-30

Family

ID=8550503

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB99802337XA Expired - Fee Related CN1319411C (zh) 1998-01-22 1999-01-21 用于话音通信的方法和设备

Country Status (7)

Country Link
EP (1) EP1050189B1 (sv)
CN (1) CN1319411C (sv)
AU (1) AU2056599A (sv)
BR (1) BR9907155A (sv)
DE (1) DE69916423T2 (sv)
FI (1) FI105379B (sv)
WO (1) WO1999038355A1 (sv)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008022348A1 (de) * 2008-04-30 2009-11-05 Pawel Marek Starost Mikrofon
CN103563396B (zh) * 2011-05-30 2016-12-28 索尼移动通信株式会社 用于减小对信号路径的干扰的方法、电路和设备

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4378467A (en) * 1980-07-01 1983-03-29 Roanwell Corporation Audio amplifier
US5459792A (en) * 1993-12-15 1995-10-17 Audio-Technica U.S., Inc. Audio input circuit for voice recognition

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4378467A (en) * 1980-07-01 1983-03-29 Roanwell Corporation Audio amplifier
US5459792A (en) * 1993-12-15 1995-10-17 Audio-Technica U.S., Inc. Audio input circuit for voice recognition

Also Published As

Publication number Publication date
AU2056599A (en) 1999-08-09
CN1288648A (zh) 2001-03-21
WO1999038355A1 (en) 1999-07-29
EP1050189A1 (en) 2000-11-08
FI105379B (sv) 2000-07-31
FI980140A0 (fi) 1998-01-22
BR9907155A (pt) 2000-10-24
DE69916423D1 (de) 2004-05-19
DE69916423T2 (de) 2005-05-19
FI980140A (sv) 1999-07-23
EP1050189B1 (en) 2004-04-14

Similar Documents

Publication Publication Date Title
US6349133B1 (en) Method and system for interfacing a telephony network and a digital data stream
US4640989A (en) Communications unit for executive work station
CN1311946A (zh) 基于磁场的输电线通信方法和系统
ATE401715T1 (de) Interaktives system zur verarbeitung von informationstransaktionen mit universellen telefongatewayfähigkeiten
US6658108B1 (en) System and method for distributing power over a premises network
AU4780099A (en) Telecommunication network and routing method
CN1319411C (zh) 用于话音通信的方法和设备
EP1111894A1 (en) Communication system and method for establishing a conversation using different link layer thechnologies
CN1628456B (zh) 用于分组数据网络的方法及装置
CN101155177B (zh) 基于共用协议的数据通道共享系统及方法
CN2648674Y (zh) 电力注入器装置
KR20000024101A (ko) 인터넷폰 목록 포탈 서버를 이용한 인터넷폰 서비스 방법
CN101073245B (zh) 用于切换电信终端设备的适配器和方法
EP1204266A1 (en) Apparatus and method for provision of a back-up connection in a telecommunication system
DE10153265A1 (de) System zur Sprachkommunikation über ein digitales Netzwerk und zugehörige Schnurlostelefonanlage
MXPA00006924A (en) Method and arrangement for voice communications
US6891824B1 (en) Audible communication with a modem over a wide area network
WO2000022789A3 (en) Method, system and device for establishing communication between different communication networks
CN112333345B (zh) 用于拨号上网的信息传输装置
US6246703B1 (en) Apparatus and method for generating service profile identification
US6310864B1 (en) Voice echo cancellation for SVD modems
CN1271223A (zh) 在网络管理系统之间共享数据的装置和方法
Orthner New communication technologies for integrating hospital information systems and their computer-based patient records
EP1181636B1 (de) Peripheriegerät mit einer drahtlosen übertragungsvorrichtung
Goodenough Telecommunication integrated circuits

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

Granted publication date: 20070530

Termination date: 20150121

EXPY Termination of patent right or utility model