TW200718152A - Portable device using a speaker as an antenna - Google Patents

Portable device using a speaker as an antenna

Info

Publication number
TW200718152A
TW200718152A TW094137472A TW94137472A TW200718152A TW 200718152 A TW200718152 A TW 200718152A TW 094137472 A TW094137472 A TW 094137472A TW 94137472 A TW94137472 A TW 94137472A TW 200718152 A TW200718152 A TW 200718152A
Authority
TW
Taiwan
Prior art keywords
high
speaker
pass filter
coupled
portable device
Prior art date
Application number
TW094137472A
Other versions
TWI281340B (en
Inventor
Chao-Chin Huang
Hsuan-Mao Chu
Original Assignee
Benq 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 Benq Corp filed Critical Benq Corp
Priority to TW94137472A priority Critical patent/TWI281340B/en
Publication of TW200718152A publication Critical patent/TW200718152A/en
Application granted granted Critical
Publication of TWI281340B publication Critical patent/TWI281340B/en

Links

Abstract

A portable device using a speaker as an antenna includes a speaker having a coil, a high-pass filter coupled with the coil, a low-pass filter coupled with the coil, a high-frequency-signal processing module coupled with the high-pass filter, an audio amplifier coupled with the low-pass filter, and a matching circuit coupled between the high-pass filter and the high-frequency-signal processing module.
TW94137472A 2005-10-26 2005-10-26 Portable device using a speaker as an antenna, method for transmitting high frequency signals and method for using a speaker to process high frequency signals and voice signals at the same time TWI281340B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW94137472A TWI281340B (en) 2005-10-26 2005-10-26 Portable device using a speaker as an antenna, method for transmitting high frequency signals and method for using a speaker to process high frequency signals and voice signals at the same time

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW94137472A TWI281340B (en) 2005-10-26 2005-10-26 Portable device using a speaker as an antenna, method for transmitting high frequency signals and method for using a speaker to process high frequency signals and voice signals at the same time

Publications (2)

Publication Number Publication Date
TW200718152A true TW200718152A (en) 2007-05-01
TWI281340B TWI281340B (en) 2007-05-11

Family

ID=38741707

Family Applications (1)

Application Number Title Priority Date Filing Date
TW94137472A TWI281340B (en) 2005-10-26 2005-10-26 Portable device using a speaker as an antenna, method for transmitting high frequency signals and method for using a speaker to process high frequency signals and voice signals at the same time

Country Status (1)

Country Link
TW (1) TWI281340B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9401768B2 (en) 2011-09-16 2016-07-26 Nokia Technologies Oy Near field communication apparatus
US20170041715A1 (en) * 2015-07-16 2017-02-09 Knowles Electronics (Beijing) Co., Ltd. Speaker with coil antenna

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8909162B2 (en) 2012-09-07 2014-12-09 Infineon Technologies Ag System and method for transmitting a radio frequency signal through a speaker coil
CN104409850B (en) * 2014-10-13 2017-09-26 歌尔股份有限公司 The structure of antenna is used as by the use of terminal receiver

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9401768B2 (en) 2011-09-16 2016-07-26 Nokia Technologies Oy Near field communication apparatus
US20170041715A1 (en) * 2015-07-16 2017-02-09 Knowles Electronics (Beijing) Co., Ltd. Speaker with coil antenna
CN107852548A (en) * 2015-07-16 2018-03-27 奥音科技(北京)有限公司 Loudspeaker with voice coil loudspeaker voice coil antenna

Also Published As

Publication number Publication date
TWI281340B (en) 2007-05-11

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees