Stereo system and stereo method for electronic acoustical system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Dec 9, 1997
Grant Date -
N/A
app pub date -
Oct 23, 1992
filing date -
Oct 25, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
According to the invention, sound data is distributed as a plurality of sound data, and the distributed sound data are combined to obtain a plurality of synthesized sound data. The synthesized sound data are sounded by a plurality of speakers, thus forming a sound image. Through combining and multiplexing of sound data in this way, stereo sounds having a sense of spatiality are generated.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
KAWAI MUSICAL INST MFG CO LTD | 200 TERAJIMA-CHO HAMAMATSU-SHI SHIZUOKA |
International Classification(s)

- 1992 Application Filing Year
- H03G Class
- 93 Applications Filed
- 54 Patents Issued To-Date
- 58.07 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Kitagawa, Hiroshi | Iwata, JP | 124 | 1413 |
# of filed Patents : 124 Total Citations : 1413 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 2 Citation Count
- H03G Class
- 1.20 % this patent is cited more than
- 28 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

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Jun 23, 2021 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4 |
Jan 10, 2018 | PD | Priority Date | |
Jan 09, 2018 | I | Issuance | |
Dec 20, 2017 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
May 05, 2016 | P | Published | |
Oct 30, 2014 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:QI, GONGSHIN;PERRY, KEVIN L.;REEL/FRAME:034068/0023 Owner name: GM GLOBAL TECHNOLOGY OPERATIONS LLC, MICHIGAN Effective Date: Oct 30, 2014 |
Oct 29, 2014 | F | Filing |

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