DE69929978D1 - Schnittstelle für telefonhandapparat mit dc messung und kalibrierungsverfahren des sendepfades - Google Patents

Schnittstelle für telefonhandapparat mit dc messung und kalibrierungsverfahren des sendepfades

Info

Publication number
DE69929978D1
DE69929978D1 DE69929978T DE69929978T DE69929978D1 DE 69929978 D1 DE69929978 D1 DE 69929978D1 DE 69929978 T DE69929978 T DE 69929978T DE 69929978 T DE69929978 T DE 69929978T DE 69929978 D1 DE69929978 D1 DE 69929978D1
Authority
DE
Germany
Prior art keywords
microphone
transmit
interface
handset
base unit
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 - Lifetime
Application number
DE69929978T
Other languages
English (en)
Other versions
DE69929978T2 (de
Inventor
W Stelman
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.)
Hello Direct Inc
Original Assignee
Hello Direct Inc
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 Hello Direct Inc filed Critical Hello Direct Inc
Publication of DE69929978D1 publication Critical patent/DE69929978D1/de
Application granted granted Critical
Publication of DE69929978T2 publication Critical patent/DE69929978T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6008—Substation equipment, e.g. for use by subscribers including speech amplifiers in the transmitter circuit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/21—Combinations with auxiliary equipment, e.g. with clocks or memoranda pads
    • H04M1/215—Combinations with auxiliary equipment, e.g. with clocks or memoranda pads by non-intrusive coupling means, e.g. acoustic couplers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Function (AREA)
  • Telephone Set Structure (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
DE69929978T 1998-07-08 1999-07-06 Schnittstelle für telefonhandapparat mit dc messung und kalibrierungsverfahren des sendepfades Expired - Lifetime DE69929978T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US9210298P 1998-07-08 1998-07-08
US92102P 1998-07-08
US340541 1999-06-28
US09/340,541 US6683949B1 (en) 1998-07-08 1999-06-28 Handset port interface including DC measurement and transmit path calibration
PCT/US1999/015261 WO2000003529A1 (en) 1998-07-08 1999-07-06 A handset port interface including dc measurement and transmit path calibration

Publications (2)

Publication Number Publication Date
DE69929978D1 true DE69929978D1 (de) 2006-04-27
DE69929978T2 DE69929978T2 (de) 2006-11-23

Family

ID=26785203

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69929978T Expired - Lifetime DE69929978T2 (de) 1998-07-08 1999-07-06 Schnittstelle für telefonhandapparat mit dc messung und kalibrierungsverfahren des sendepfades

Country Status (7)

Country Link
US (1) US6683949B1 (de)
EP (1) EP1095495B1 (de)
JP (1) JP4318132B2 (de)
AT (1) ATE318479T1 (de)
CA (1) CA2336861A1 (de)
DE (1) DE69929978T2 (de)
WO (1) WO2000003529A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2379831A (en) 2001-09-14 2003-03-19 Mitel Knowledge Corp Signalling between a telephone set and a peripheral device connected to it
DE10394288B3 (de) * 2003-08-29 2011-02-03 Infineon Technologies Ag Kommunikationseinrichtung zum Anschluss an einen externen Schallwandler
US20080043931A1 (en) * 2006-08-01 2008-02-21 Acoustic Technologies, Inc. Calibration system for telephone
ATE532319T1 (de) * 2008-12-30 2011-11-15 Gn Netcom As Automatische schalteinrichtung und bereichskalibrierung einer kopfhörerschnittstelleneinheit
US8737573B2 (en) * 2011-05-09 2014-05-27 Intelligent Decisions, Inc. Systems, methods, and devices for testing communication lines
US10237381B2 (en) 2017-07-13 2019-03-19 Sorenson Ip Holdings, Llc Telephone receiver identification

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5206898A (en) 1989-05-26 1993-04-27 Shirohato Yakuhiin Co., Ltd. Transmission control unit
US5185789A (en) * 1990-05-30 1993-02-09 Plantronics, Inc. Universal telephone handset interface
US5241590A (en) 1990-12-18 1993-08-31 Dialing Devices Inc. Telephone dialing apparatus
US5555300A (en) 1994-03-07 1996-09-10 Gutzmer; Howard A. Telephone handset microphone level adjustment
US5912964A (en) 1996-03-27 1999-06-15 Hello Direct, Inc. Adaptive telephone handset interface
US5729603A (en) 1996-09-30 1998-03-17 Plantronics, Inc. Self-configuring telephone interface unit
US6128384A (en) * 1997-12-22 2000-10-03 Vxi Corporation Self configuring telephone headset amplifier

Also Published As

Publication number Publication date
JP4318132B2 (ja) 2009-08-19
ATE318479T1 (de) 2006-03-15
WO2000003529A1 (en) 2000-01-20
JP2002520954A (ja) 2002-07-09
EP1095495A1 (de) 2001-05-02
DE69929978T2 (de) 2006-11-23
EP1095495B1 (de) 2006-02-22
US6683949B1 (en) 2004-01-27
CA2336861A1 (en) 2000-01-20

Similar Documents

Publication Publication Date Title
US8144884B2 (en) Stand-alone microphone test system for a hearing device
US8073146B2 (en) Audio test apparatus and test method thereof
KR950022572A (ko) 원음성 신호처리 방법 및 전화기 세트
KR20050026967A (ko) 전기 임피던스에 기반한 오디오 장치내의 오디오 보상 및그 방법
EP1253806A3 (de) Automatische Schallfeld-Korrekturanordnung
CA2155774A1 (en) Wireless Test Mode for a Cordless Telephone
EP0031135A3 (en) Electro-acoustic measuring device
DE69929978D1 (de) Schnittstelle für telefonhandapparat mit dc messung und kalibrierungsverfahren des sendepfades
ATE419819T1 (de) Ohrterminal für geräuschkontrolle
US20080043931A1 (en) Calibration system for telephone
EP0371468A3 (de) Rückhörverhinderungsschaltung für Telefon
Rango et al. Climate change effects on the snowmelt hydrology of western North American mountain basins
TW200509727A (en) High fidelity hearing restoration
CN111092668B (zh) 一种对讲终端环境噪音抑制特性的测试方法及系统
US6456717B1 (en) System for assuring proper acoustic connection of a device under test to a test fixture
US3261926A (en) Method and apparatus for testing subscribers' telephone instruments in situ under service conditions
CN205584305U (zh) 一种用于智能手机的音频质量测试装置
MXPA01007337A (es) Prueba de lineas telefonicas de pabx.
KR900005734A (ko) 다이얼링 확인음 출력장치 및 이의 제어방법
NO20016249L (no) Fremgangsmåte for å tilveiebringe et testsignal med et på forhånd bestemt signal/stöy forhold på en fritt valgbarutgangsfrekvens
TWI458323B (zh) 行動通訊裝置之來電提醒調整方法及其行動通訊裝置
ATE405094T1 (de) Verfahren und einrichtung zur detektierung eines fernsprachsignals
KR940008340A (ko) 주변 소음에 따른 음량조절기능을 가진 전화기 회로
SE9602862L (sv) Förbättringar av, eller som hänför sig till, mätning av telekommunikationsförbindelsers kvalitet
CN2687981Y (zh) 一种可测脉搏的移动电话

Legal Events

Date Code Title Description
8364 No opposition during term of opposition