FIU20060339U0 - Alhaisen kohinatason korvanappi-lähetin-vastaanotin - Google Patents

Alhaisen kohinatason korvanappi-lähetin-vastaanotin

Info

Publication number
FIU20060339U0
FIU20060339U0 FI20060339U FIU20060339U FIU20060339U0 FI U20060339 U0 FIU20060339 U0 FI U20060339U0 FI 20060339 U FI20060339 U FI 20060339U FI U20060339 U FIU20060339 U FI U20060339U FI U20060339 U0 FIU20060339 U0 FI U20060339U0
Authority
FI
Finland
Prior art keywords
transmitter
receiver
low noise
noise level
ear muffler
Prior art date
Application number
FI20060339U
Other languages
English (en)
Swedish (sv)
Inventor
Jin-Chou Tsai
Original Assignee
Jin-Chou Tsai
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 Jin-Chou Tsai filed Critical Jin-Chou Tsai
Publication of FIU20060339U0 publication Critical patent/FIU20060339U0/fi
Application granted granted Critical
Publication of FI7400U1 publication Critical patent/FI7400U1/fi

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
    • H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
    • H04M1/6041—Portable telephones adapted for handsfree use
    • H04M1/6058—Portable telephones adapted for handsfree use involving the use of a headset accessory device connected to the portable telephone
    • 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
    • H04M1/04—Supports for telephone transmitters or receivers
    • H04M1/05—Supports for telephone transmitters or receivers specially adapted for use on head, throat or breast
    • 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
    • H04M1/20—Arrangements for preventing acoustic feed-back
    • 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
    • H04R1/1016—Earpieces of the intra-aural type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2410/00—Microphones
    • H04R2410/05—Noise reduction with a separate noise microphone

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Telephone Set Structure (AREA)
FI20060339U 2005-08-26 2006-08-25 Alhaisen kohinatason korvanappi-lähetin-vastaanotin FI7400U1 (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/211,671 US7447308B2 (en) 2005-08-26 2005-08-26 Low-noise transmitting receiving earset

Publications (2)

Publication Number Publication Date
FIU20060339U0 true FIU20060339U0 (fi) 2006-08-25
FI7400U1 FI7400U1 (fi) 2007-02-20

Family

ID=37735071

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20060339U FI7400U1 (fi) 2005-08-26 2006-08-25 Alhaisen kohinatason korvanappi-lähetin-vastaanotin

Country Status (4)

Country Link
US (1) US7447308B2 (fi)
FI (1) FI7400U1 (fi)
FR (1) FR2890276B3 (fi)
GB (1) GB2429600B (fi)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8130995B2 (en) * 2007-11-29 2012-03-06 Merry Electronics Co., Ltd. Earpiece device with microphone
WO2010018879A1 (en) * 2008-08-11 2010-02-18 Cresyn Co., Ltd Headphone
CN102215440A (zh) * 2010-04-07 2011-10-12 包凤鸣 振动式耳机
US9319767B2 (en) * 2012-01-30 2016-04-19 Panasonic Intellectual Property Management Co., Ltd. Earphone
CN103686498B (zh) * 2013-11-28 2017-12-19 青岛歌尔声学科技有限公司 一种降噪通话装置
WO2015164287A1 (en) * 2014-04-21 2015-10-29 Uqmartyne Management Llc Wireless earphone
TWM508867U (zh) * 2015-04-24 2015-09-11 Jetvox Acoustic Corp 中心降噪喇叭結構
USD881848S1 (en) * 2018-11-14 2020-04-21 Timothy Val Kolton Earphone

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5182774A (en) * 1990-07-20 1993-01-26 Telex Communications, Inc. Noise cancellation headset
FI108909B (fi) * 1996-08-13 2002-04-15 Nokia Corp Kuuloke-elementti ja päätelaite
EP1154673B1 (en) * 2000-05-12 2017-02-22 Oticon A/S Combining two signals in a hearing aid
US6754359B1 (en) * 2000-09-01 2004-06-22 Nacre As Ear terminal with microphone for voice pickup
US20030202668A1 (en) * 2002-04-25 2003-10-30 Kuo-Kun Kao Earphone type transmitter and receiver apparatus
US7362876B2 (en) * 2004-09-27 2008-04-22 Jin-Chou Tsai Interference-free transmitting receiving earset
US7773759B2 (en) * 2006-08-10 2010-08-10 Cambridge Silicon Radio, Ltd. Dual microphone noise reduction for headset application

Also Published As

Publication number Publication date
GB2429600A (en) 2007-02-28
US7447308B2 (en) 2008-11-04
FR2890276B3 (fr) 2007-08-10
FR2890276A3 (fr) 2007-03-02
US20070047739A1 (en) 2007-03-01
GB2429600B (en) 2007-10-31
GB0615283D0 (en) 2006-09-06
FI7400U1 (fi) 2007-02-20

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