Patent US5646820A successfully refreshed from Google Patents.
US5646820A
Expired / Lapsed
US
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Portable computer having a case which contains a speaker in a front wall and a keyboard in an upper wall
Assignee: Toshiba Corp
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Filing: 1996-08-08
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Granted: 1997-07-08
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Expires: 2016-08-08
Abstract
Abstract A portable computer includes a box-like case having a front wall and an upper wall continuous to the front wall. A keyboard is arranged on the upper wall of the case, and a display unit is supported by the case. This display unit is rotatable between a first position where the display unit covers the keyboard and a second position where the display unit exposes the keyboard. The case is provided with a speaker which is situated on the front wall and visible from the outside of the case when the display is in either the first position or the second position.
Inventors
- 👤 Masami Honda
- 👤 Kazuaki Kawabata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:49
CPC Classifications
G; G06; G06F; G06F1/00; G06F1/16; G06F1/18; G06F1/183; G06F1/184; G06F1/1613; G06F1/1615; G06F1/1616; G06F1/1633; G06F1/1637; G06F1/1656; G06F1/1658; G06F1/1662; G06F1/1667; G06F1/1669; G06F1/1675; G06F1/1681; G06F1/1683; G06F1/1684; G06F1/1688; G06F1/181; G06F1/182; G06F1/187; G06F1/188; G06F1/20; G06F1/203; G11; G11B; G11B33/00; G11B33/02; G11B33/022; G11B33/025; H; H04; H04R; H04R2209/00; H04R2209/022; H04R2499/00; H04R2499/10; H04R2499/15
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
96 words
A portable computer comprising: a box-like case having a front wall and an upper wall continuous to the front wall; a keyboard situated on the upper wall of said case; a display unit supported by said case to be rotatable between a first position wherein the display unit covers said keyboard and a second position wherein the display unit exposes said keyboard; and a speaker situated on the front wall of said case and being visible from the outside of said case when said display unit is in said first position and in said second position.
Claim 2
Dependent Claim
96 words
A portable computer comprising: a box-like case having a front wall and an upper wall continuous to the front wall; a keyboard situated on the upper wall of said case; a display unit supported by said case to be rotatable between a first position wherein the display unit covers said keyboard and a second position wherein the display unit exposes said keyboard; and a speaker situated on the front wall of said case and being visible from the outside of said case when said display unit is in said first position and in said second position.
Claim 3
Dependent Claim
32 words
A portable computer according to claim 1, wherein said speaker includes a first speaker and a second speaker, which are positioned apart from each other in a width direction of said case.
Claim 4
Dependent Claim
37 words
A portable computer according to claim 1, wherein said front wall has a plurality of holes to release a sound emitted from the speaker therethrough, and said speaker is housed in said case and opposes said holes.
Claim 5
Dependent Claim
26 words
A portable computer according to claim 3, wherein said front wall is provided with a speaker support portion, which includes said holes and supports said speaker.
Claim 6
Dependent Claim
30 words
A portable computer according to claim 4, wherein said speaker is provided with a speaker frame supported by said speaker support portion and a cone supported by the speaker frame.
Claim 7
Dependent Claim
161 words
A portable computer comprising: a box-like case made of a synthetic resin material and having a front wall and an upper wall continuous to the front wall, the front wall including a speaker support portion which is provided with a plurality of holes to release sound through; a keyboard situated on the upper wall of said case; a display unit supported by said case to be rotatable between a first position wherein the display unit covers said keyboard and a second position wherein the display unit exposes said keyboard; a speaker supported by said speaker support portion and housed in said case, opposing the holes of said front wall, the holes of said front wall being visible from the outside of said case when said display unit is in said first position and in said second position; and a metal shield plate provided with a plurality of through holes opposing said holes, and arranged between said front wall and said speaker.
Claim 8
Dependent Claim
161 words
A portable computer comprising: a box-like case made of a synthetic resin material and having a front wall and an upper wall continuous to the front wall, the front wall including a speaker support portion which is provided with a plurality of holes to release sound through; a keyboard situated on the upper wall of said case; a display unit supported by said case to be rotatable between a first position wherein the display unit covers said keyboard and a second position wherein the display unit exposes said keyboard; a speaker supported by said speaker support portion and housed in said case, opposing the holes of said front wall, the holes of said front wall being visible from the outside of said case when said display unit is in said first position and in said second position; and a metal shield plate provided with a plurality of through holes opposing said holes, and arranged between said front wall and said speaker.
Claim 9
Dependent Claim
37 words
A portable computer according to claim 6, further comprising a screen member provided between said metal shield plate and said front wall and keeping said speaker invisible from the outside of said case through said through holes.
Claim 10
Dependent Claim
38 words
A portable computer according to claim 6, wherein said speaker has a speaker frame and a cone supported by the speaker frame, and said speaker frame and said metal shield plate are supported by said speaker support portion.
Claim 11
Dependent Claim
148 words
A portable computer comprising: a box-like case provided with a front wall and an upper wall continuous to the front wall, said front wall having first and second speaker support portions which are separated from each other in a width direction of said case, and including a plurality of holes to release sound there through; a keyboard situated on the upper wall of said case; a display unit supported by said case to be rotatable between a first position wherein the display unit covers said keyboard and a second position wherein the display unit exposes said keyboard; and first and second speakers supported by said first and second speaker support portions respectively and opposing said holes of said first and second speaker support portions, said holes being visible from the outside of said case when said display unit is in said first position and in said second position.
Claim 12
Dependent Claim
148 words
A portable computer comprising: a box-like case provided with a front wall and an upper wall continuous to the front wall, said front wall having first and second speaker support portions which are separated from each other in a width direction of said case, and including a plurality of holes to release sound there through; a keyboard situated on the upper wall of said case; a display unit supported by said case to be rotatable between a first position wherein the display unit covers said keyboard and a second position wherein the display unit exposes said keyboard; and first and second speakers supported by said first and second speaker support portions respectively and opposing said holes of said first and second speaker support portions, said holes being visible from the outside of said case when said display unit is in said first position and in said second position.
Claim 13
Dependent Claim
60 words
A portable computer according to claim 9, further comprising metal shield plates arranged between said front wall and said first speaker, and between said front wall and said second speaker, the shield plates having a plurality of through holes opposite said holes, and also comprising a screen member provided between each of said metal shield plates and said front wall.
Claim 14
Dependent Claim
37 words
A portable computer according to claim 10, wherein said screen member is made of woven cloth and keeps said first and second speakers invisible from the outside of said case through said holes and said through holes.
Claim 15
Dependent Claim
191 words
A portable computer comprising: a box-like case made of a synthetic resin material, and having a front wall and an upper wall continuous to the front wall, the front wall including a speaker support portion which is provided with a plurality of holes to release sound there through; a keyboard situated on the upper wall of said case; a display unit supported by said case rotatable between a first position wherein the display unit covers said keyboard and a second position wherein the display unit exposes said keyboard; a speaker supported by said speaker support portion and housed in said case, opposing the holes of said front wall, the holes being visible from the outside of said case when said display unit is in said first position and in said second position; a metal shield plate provided with a plurality of through holes opposing said holes, and arranged between said front wall and said speaker; and a screen member provided between said metal shield plate and said front wall, made of woven cloth, and keeping said speaker invisible from the outside of said case through said holes and said through holes.
Claim 16
Dependent Claim
191 words
A portable computer comprising: a box-like case made of a synthetic resin material, and having a front wall and an upper wall continuous to the front wall, the front wall including a speaker support portion which is provided with a plurality of holes to release sound there through; a keyboard situated on the upper wall of said case; a display unit supported by said case rotatable between a first position wherein the display unit covers said keyboard and a second position wherein the display unit exposes said keyboard; a speaker supported by said speaker support portion and housed in said case, opposing the holes of said front wall, the holes being visible from the outside of said case when said display unit is in said first position and in said second position; a metal shield plate provided with a plurality of through holes opposing said holes, and arranged between said front wall and said speaker; and a screen member provided between said metal shield plate and said front wall, made of woven cloth, and keeping said speaker invisible from the outside of said case through said holes and said through holes.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2000-07-07 | 2001-01-06 | 2001-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-07-07 | 2005-01-06 | 2005-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-07-07 | 2009-01-06 | 2009-07-08 | $7700.00 | Window Closed / Lapsed |