TW423780U - Anti-noise earphone - Google Patents

Anti-noise earphone

Info

Publication number
TW423780U
TW423780U TW88204085U TW88204085U TW423780U TW 423780 U TW423780 U TW 423780U TW 88204085 U TW88204085 U TW 88204085U TW 88204085 U TW88204085 U TW 88204085U TW 423780 U TW423780 U TW 423780U
Authority
TW
Taiwan
Prior art keywords
noise earphone
earphone
noise
Prior art date
Application number
TW88204085U
Other languages
Chinese (zh)
Inventor
Da-Wei Huang
Original Assignee
Long Prosper Entpr Co 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 Long Prosper Entpr Co Ltd filed Critical Long Prosper Entpr Co Ltd
Priority to TW88204085U priority Critical patent/TW423780U/en
Publication of TW423780U publication Critical patent/TW423780U/en

Links

TW88204085U 1999-03-18 1999-03-18 Anti-noise earphone TW423780U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW88204085U TW423780U (en) 1999-03-18 1999-03-18 Anti-noise earphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW88204085U TW423780U (en) 1999-03-18 1999-03-18 Anti-noise earphone

Publications (1)

Publication Number Publication Date
TW423780U true TW423780U (en) 2001-02-21

Family

ID=21645899

Family Applications (1)

Application Number Title Priority Date Filing Date
TW88204085U TW423780U (en) 1999-03-18 1999-03-18 Anti-noise earphone

Country Status (1)

Country Link
TW (1) TW423780U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9548045B2 (en) 2014-05-27 2017-01-17 Avermedia Technologies, Inc. Anti-noise headset device and sound processing method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9548045B2 (en) 2014-05-27 2017-01-17 Avermedia Technologies, Inc. Anti-noise headset device and sound processing method thereof

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Legal Events

Date Code Title Description
GD4K Issue of patent certificate for granted utility model filed before june 30, 2004
MM4K Annulment or lapse of a utility model due to non-payment of fees