DE69315792T2 - Fernsprechhandapparat mit Geräuschunterdrückung - Google Patents

Fernsprechhandapparat mit Geräuschunterdrückung

Info

Publication number
DE69315792T2
DE69315792T2 DE69315792T DE69315792T DE69315792T2 DE 69315792 T2 DE69315792 T2 DE 69315792T2 DE 69315792 T DE69315792 T DE 69315792T DE 69315792 T DE69315792 T DE 69315792T DE 69315792 T2 DE69315792 T2 DE 69315792T2
Authority
DE
Germany
Prior art keywords
noise cancellation
telephone handset
handset
telephone
cancellation
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
DE69315792T
Other languages
English (en)
Other versions
DE69315792D1 (de
Inventor
Charles Spurgeon Bartlett
Roger David Benning
John Bradley Hunter
Charles Sanford
Michael Anthony Zuniga
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.)
AT&T Corp
Original Assignee
AT&T 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 AT&T Corp filed Critical AT&T Corp
Publication of DE69315792D1 publication Critical patent/DE69315792D1/de
Application granted granted Critical
Publication of DE69315792T2 publication Critical patent/DE69315792T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04M1/02—Constructional features of telephone sets
    • H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
    • 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
    • H04M1/19—Arrangements of transmitters, receivers, or complete sets to prevent eavesdropping, to attenuate local noise or to prevent undesired transmission; Mouthpieces or receivers specially adapted therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Telephone Set Structure (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Transceivers (AREA)
DE69315792T 1992-09-30 1993-09-22 Fernsprechhandapparat mit Geräuschunterdrückung Expired - Fee Related DE69315792T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US95417592A 1992-09-30 1992-09-30

Publications (2)

Publication Number Publication Date
DE69315792D1 DE69315792D1 (de) 1998-01-29
DE69315792T2 true DE69315792T2 (de) 1998-04-09

Family

ID=25495040

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69315792T Expired - Fee Related DE69315792T2 (de) 1992-09-30 1993-09-22 Fernsprechhandapparat mit Geräuschunterdrückung

Country Status (8)

Country Link
US (1) US5491747A (de)
EP (1) EP0590869B1 (de)
JP (1) JP2795302B2 (de)
KR (1) KR100274913B1 (de)
CA (1) CA2101500C (de)
DE (1) DE69315792T2 (de)
ES (1) ES2110577T3 (de)
SG (1) SG43700A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007001980A1 (de) * 2007-01-08 2008-07-10 Sennheiser Electronic Gmbh & Co. Kg Kopfhörer

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2609822B2 (ja) * 1994-10-12 1997-05-14 埼玉日本電気株式会社 送話器
DE19513111A1 (de) * 1995-04-07 1996-10-10 Sennheiser Electronic Einrichtung zur Verminderung von Störschall
US6654467B1 (en) 1997-05-07 2003-11-25 Stanley J. York Active noise cancellation apparatus and method
US6163610A (en) * 1998-04-06 2000-12-19 Lucent Technologies Inc. Telephonic handset apparatus having an earpiece monitor and reduced inter-user variability
US7031460B1 (en) 1998-10-13 2006-04-18 Lucent Technologies Inc. Telephonic handset employing feed-forward noise cancellation
KR20000067321A (ko) * 1999-04-27 2000-11-15 정완진 스피커의 광대역 음향파 정형 및 제어시스템
USD428408S (en) * 1999-07-20 2000-07-18 Ume Voice, Inc. Element for a noise cancellation device
US6285772B1 (en) * 1999-07-20 2001-09-04 Umevoice, Inc. Noise control device
USD427999S (en) * 1999-07-20 2000-07-11 Umevoice, Inc. Element for a noise cancellation device
USD427998S (en) * 1999-07-20 2000-07-11 Umevoice, Inc. Noise cancellation device
US6396932B1 (en) 1999-07-21 2002-05-28 Umevoice, Inc. Pluggable noise-controlling apparatus and method
US6738483B1 (en) * 1999-10-12 2004-05-18 Sonic Systems, Inc. Overhead loudspeaker systems
US7764798B1 (en) 2006-07-21 2010-07-27 Cingular Wireless Ii, Llc Radio frequency interference reduction in connection with mobile phones
US7925307B2 (en) * 2006-10-31 2011-04-12 Palm, Inc. Audio output using multiple speakers
US8311590B2 (en) * 2006-12-05 2012-11-13 Hewlett-Packard Development Company, L.P. System and method for improved loudspeaker functionality
EP3742753B1 (de) * 2019-05-24 2021-12-01 Honeywell International Inc. Gehörschutzvorrichtungen, lärmbelastungssensoren dafür und sensorgehäuse und zugehörige verfahren dafür

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT328527B (de) * 1974-06-12 1976-03-25 Akg Akustische Kino Geraete Vorrichtung fur die stereophonische aufnahme bzw. kontrolle von schallereignissen
JPS5246803U (de) * 1975-09-30 1977-04-02
US4023209A (en) * 1975-12-17 1977-05-17 Gentex Corporation Protective helmet assembly with segmental outer shell
US4418248A (en) * 1981-12-11 1983-11-29 Koss Corporation Dual element headphone
US4644581A (en) * 1985-06-27 1987-02-17 Bose Corporation Headphone with sound pressure sensing means
US4782527A (en) * 1986-09-30 1988-11-01 Williamson Alfred T Telephone head/hand set
US4985925A (en) * 1988-06-24 1991-01-15 Sensor Electronics, Inc. Active noise reduction system
DK161288C (da) * 1988-10-21 1991-12-02 Alcatel Kirk As Telefonapparat-haandsaet
JPH02147993U (de) * 1989-05-17 1990-12-17
US5134659A (en) * 1990-07-10 1992-07-28 Mnc, Inc. Method and apparatus for performing noise cancelling and headphoning
US5305387A (en) * 1989-10-27 1994-04-19 Bose Corporation Earphoning
US5182774A (en) * 1990-07-20 1993-01-26 Telex Communications, Inc. Noise cancellation headset

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007001980A1 (de) * 2007-01-08 2008-07-10 Sennheiser Electronic Gmbh & Co. Kg Kopfhörer

Also Published As

Publication number Publication date
JP2795302B2 (ja) 1998-09-10
ES2110577T3 (es) 1998-02-16
JPH06205092A (ja) 1994-07-22
EP0590869A1 (de) 1994-04-06
DE69315792D1 (de) 1998-01-29
SG43700A1 (en) 1997-11-14
CA2101500C (en) 1996-12-17
KR940008333A (ko) 1994-04-29
US5491747A (en) 1996-02-13
EP0590869B1 (de) 1997-12-17
KR100274913B1 (ko) 2000-12-15
CA2101500A1 (en) 1994-03-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee