Audio output apparatus

Details Audio output apparatus Audio output apparatus

2011-06-28

2011-06-28

Faulk, Devona E (Department: 2614)

Electrical audio signal processing systems and devices

Including amplitude or volume control

C381S102000, C381S106000, C381S098000

Reexamination Certificate

active

07970153

ABSTRACT:
An audio output apparatus has a measuring circuit which measures the levels of at least two sound signals, a sound level adjusting module (a sound level adjusting circuit and a gain control circuit) which adjusts a sound level so as to equal the levels of the sound signals based on the levels measured at the measuring circuit, and an array speaker unit (a delay circuit, a multiplier, an adder, an amplifier and a speaker unit) which emits sounds in accordance with the sound signals outputted from the sound level adjusting module in different directivities respectively.

REFERENCES:
patent: 3772479 (1973-11-01), Hilbert
patent: 4024344 (1977-05-01), Dolby et al.
patent: 4118601 (1978-10-01), Yeap
patent: 4472834 (1984-09-01), Yamamura et al.
patent: 4503553 (1985-03-01), Davis
patent: 4984273 (1991-01-01), Aylward et al.
patent: 5109419 (1992-04-01), Griesinger
patent: 5233664 (1993-08-01), Yanagawa et al.
patent: 5631714 (1997-05-01), Saadoun
patent: 5666424 (1997-09-01), Fosgate et al.
patent: 5675655 (1997-10-01), Hatae
patent: 5930373 (1999-07-01), Shashoua et al.
patent: 5953432 (1999-09-01), Yanagawa et al.
patent: 6128395 (2000-10-01), De Vries
patent: 6181796 (2001-01-01), Johnson
patent: 6240189 (2001-05-01), Aylward
patent: 6498852 (2002-12-01), Grimani
patent: 7054448 (2006-05-01), Yoshino et al.
patent: 7319641 (2008-01-01), Goudie et al.
patent: 2001/0016047 (2001-08-01), Ohta
patent: 2002/0191807 (2002-12-01), Asada et al.
patent: 2003/0185404 (2003-10-01), Milsap
patent: 2004/0071299 (2004-04-01), Yoshino
patent: 2005/0271230 (2005-12-01), Sasaki
patent: 2006/0050897 (2006-03-01), Asada et al.
patent: 2007/0165878 (2007-07-01), Konagai
patent: 2 273 848 (1994-06-01), None
patent: 5-41897 (1993-02-01), None
patent: 5-276591 (1993-10-01), None
patent: 6-62488 (1994-03-01), None
patent: 6-209500 (1994-07-01), None
patent: 6-225379 (1994-08-01), None
patent: 6-261385 (1994-09-01), None
patent: 6-269096 (1994-09-01), None
patent: 9-121400 (1997-05-01), None
patent: 9-233591 (1997-09-01), None
patent: 11-027604 (1999-01-01), None
patent: 11-69474 (1999-03-01), None
patent: 11-136788 (1999-05-01), None
patent: 2000-184448 (2000-06-01), None
patent: 2001-25084 (2001-01-01), None
patent: 2001-346297 (2001-12-01), None
patent: 2002-345077 (2002-11-01), None
patent: 2003-23689 (2003-01-01), None
patent: 2003-510924 (2003-03-01), None
patent: 2003-230071 (2003-08-01), None
patent: 2004-172661 (2004-06-01), None
patent: 2004-172703 (2004-06-01), None
patent: 2004-193698 (2004-07-01), None
patent: 2004-350173 (2004-09-01), None
patent: 2004-531125 (2004-10-01), None
patent: 2004-336530 (2004-11-01), None
patent: 2004-363697 (2004-12-01), None
patent: 2005-12765 (2005-01-01), None
patent: 2005-27020 (2005-01-01), None
patent: 2005-80079 (2005-03-01), None
patent: WO 01/23104 (2001-04-01), None
patent: WO 02/078388 (2002-10-01), None
Notification of Reason for Refusal issued Apr. 8, 2008 in corresponding Japanese Patent Application No. 2003-429819; English Translation Provided.
Search Report issued in application No. PCT/jp2005/000158, corresponding to related co-pending U.S. Appl. No. 10/585,269.
Notification of Refusal issued in Japanese application No. 2004-000675, corresponding to related co-pending U.S. Appl. No. 10/585,269.
Meyer, “Digital Control of Loudspeaker Array Directivity”, XP-000763026; Oct. 1984; vol. 32 No. 110;pp. 747-754; New York. Corresponding to related co-pending U.S. Appl. No. 10/585,269.
Relevant portion of International Search Report of corresponding PCT Application PCT/JP2004/019736.
Supplementary European Search Report issued in corresponding European Patent Application No. 04808065.5 dated Sep. 25, 2009.
Decision of Refusal issued in application No. JP2004-000675, dated May 20, 2008, which corresponds with related co-pending U.S. Appl. No. 10/585,269.
Notification of Reasons for Refusal issued in Japanese application No. 2004-000675, corresponding to related co-pending U.S. Appl. No. 10/585,269; dated Feb. 19, 2008.

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