Ported speaker enclosure of a portable computer

Electrical audio signal processing systems and devices – Binaural and stereophonic – Stereo speaker arrangement

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C381S333000, C381S388000

Reexamination Certificate

active

06925188

ABSTRACT:
A portable computer provides a modular ported speaker enclosure independent of the portable computer surfaces of the portable computer. The speaker enclosure can include a speaker enclosure top and a speaker enclosure base. A plurality of ports are formed into the speaker enclosure base. A plurality of port covers within the speaker enclosure can cover the inner surfaces of the plurality of ports. A plurality of loudspeakers are housed between the speaker enclosure top and the speaker enclosure base.

REFERENCES:
patent: 3870820 (1975-03-01), Suzuki et al.
patent: 4975966 (1990-12-01), Sapiejewski
patent: 5216711 (1993-06-01), Takagi et al.
patent: 5226076 (1993-07-01), Baumhauer, Jr. et al.
patent: 5365595 (1994-11-01), Li
patent: 5400408 (1995-03-01), Lundgren et al.
patent: 5481616 (1996-01-01), Freadman
patent: 5577126 (1996-11-01), Klippel
patent: 5610992 (1997-03-01), Hickman
patent: 5613011 (1997-03-01), Chase et al.
patent: 5627901 (1997-05-01), Josephson et al.
patent: 5638455 (1997-06-01), Peiker
patent: 5668882 (1997-09-01), Hickman et al.
patent: 5682290 (1997-10-01), Markow et al.
patent: 5701347 (1997-12-01), Daniels et al.
patent: 5703957 (1997-12-01), McAteer
patent: 5748757 (1998-05-01), Kubli et al.
patent: 5761322 (1998-06-01), Illingworth et al.
patent: 5768163 (1998-06-01), Smith, II
patent: 5805708 (1998-09-01), Freadman
patent: 5818942 (1998-10-01), Freadman
patent: 5847922 (1998-12-01), Smith et al.
patent: 0801514 (1997-10-01), None
“McGraw-Hill Encyclopedia of Science & Technology”, pp. 305-309 (1982).
Christiansen, Donald, “Electronics Engineering Handbook”, 4th Ed.pp. 23.55-23-56 (1996).
Gonneau, Daniel and Eckes, Beatrice E., “Audio Engineering Handbook”, pp. 7.17, 7.38-7.39 (1988).

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Ported speaker enclosure of a portable computer does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Ported speaker enclosure of a portable computer, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ported speaker enclosure of a portable computer will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3516668

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.