SG116545A1 - Method and apparatus for distortion reduction in ultrasonic beam audio systems. - Google Patents

Method and apparatus for distortion reduction in ultrasonic beam audio systems.

Info

Publication number
SG116545A1
SG116545A1 SG200402584A SG200402584A SG116545A1 SG 116545 A1 SG116545 A1 SG 116545A1 SG 200402584 A SG200402584 A SG 200402584A SG 200402584 A SG200402584 A SG 200402584A SG 116545 A1 SG116545 A1 SG 116545A1
Authority
SG
Singapore
Prior art keywords
ultrasonic beam
audio systems
distortion reduction
beam audio
distortion
Prior art date
Application number
SG200402584A
Inventor
Yaolong Lou
Okada Kanzo
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to SG200402584A priority Critical patent/SG116545A1/en
Publication of SG116545A1 publication Critical patent/SG116545A1/en

Links

SG200402584A 2004-05-04 2004-05-04 Method and apparatus for distortion reduction in ultrasonic beam audio systems. SG116545A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SG200402584A SG116545A1 (en) 2004-05-04 2004-05-04 Method and apparatus for distortion reduction in ultrasonic beam audio systems.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SG200402584A SG116545A1 (en) 2004-05-04 2004-05-04 Method and apparatus for distortion reduction in ultrasonic beam audio systems.

Publications (1)

Publication Number Publication Date
SG116545A1 true SG116545A1 (en) 2005-11-28

Family

ID=35542889

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200402584A SG116545A1 (en) 2004-05-04 2004-05-04 Method and apparatus for distortion reduction in ultrasonic beam audio systems.

Country Status (1)

Country Link
SG (1) SG116545A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020111795A1 (en) * 1999-08-26 2002-08-15 Norris Joseph O. System for playback of pre-encoded signals through a parametric loudspeaker system
US6584205B1 (en) * 1999-08-26 2003-06-24 American Technology Corporation Modulator processing for a parametric speaker system
US20040047477A1 (en) * 2001-07-11 2004-03-11 Bank Jeevan G. Power amplification for parametric loudspeaker

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020111795A1 (en) * 1999-08-26 2002-08-15 Norris Joseph O. System for playback of pre-encoded signals through a parametric loudspeaker system
US6584205B1 (en) * 1999-08-26 2003-06-24 American Technology Corporation Modulator processing for a parametric speaker system
US20040047477A1 (en) * 2001-07-11 2004-03-11 Bank Jeevan G. Power amplification for parametric loudspeaker

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