Patent US6538880B1 successfully refreshed from Google Patents.
US6538880B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Complementary functional PDA system and apparatus
Assignee: Lenovo Singapore Pte Ltd
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Filing: 2000-11-08
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Granted: 2003-03-25
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Expires: 2020-11-08
Abstract
Abstract The constitution of the subject invention provides a new input/output apparatus that adds or complements the functions of PC mainframe when connected with PC mainframe, and operates in the same manner as a conventional PDA when detached from the PC mainframe. The input/output apparatus operates either independently or operates in concert with the PC mainframe under the conditions housed in the PC mainframe. The input/output apparatus of this invention comprises the display screen consisting of touch panels etc., display screen visible from outside even when the lid of the PC mainframe is closed, port used to exchange data when housed in the PC mainframe, and transmitter/receiver used for radio communication.
Inventors
- 👤 Noboru Kamijo
- 👤 Kazutoshi Sugimoto
- 👤 Tadanobu Inoue
- 👤 Junya Shimizu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 12:40
CPC Classifications
G; G06; G06F; G06F1/00; G06F1/16; G06F1/1613; G06F1/1633; G06F1/1684; G06F1/169; G06F1/1615; G06F1/1616; G06F1/1626; G06F1/1632; G06F1/1698
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
67 words
A portable computer capable of receiving input from and displaying output to a user, said portable computer being operable either under a condition housed inside of another computer or by itself, said portable computer being capable of adding functions to said other computer, a part of a display of said portable computer being visible from outside when said portable computer is housed inside of said other computer.
Claim 2
Dependent Claim
67 words
A portable computer capable of receiving input from and displaying output to a user, said portable computer being operable either under a condition housed inside of another computer or by itself, said portable computer being capable of adding functions to said other computer, a part of a display of said portable computer being visible from outside when said portable computer is housed inside of said other computer.
Claim 3
Dependent Claim
28 words
The portable computer of claim 1 , said portable computer being capable of adding functions to said other computer under a condition housed inside of said other computer.
Claim 4
Dependent Claim
14 words
The portable computer of claim 1 in which said functions comprise an input/output function.
Claim 5
Dependent Claim
55 words
A portable computer capable of receiving input from and displaying output to a user, said portable computer being operable either under a condition housed inside of another computer or by itself, a part of a display of said portable computer being visible from outside when said portable computer is housed inside of said other computer.
Claim 6
Dependent Claim
55 words
A portable computer capable of receiving input from and displaying output to a user, said portable computer being operable either under a condition housed inside of another computer or by itself, a part of a display of said portable computer being visible from outside when said portable computer is housed inside of said other computer.
Claim 7
Dependent Claim
27 words
The portable computer of claim 4 , said portable computer adding an input function to said other computer under a condition housed inside of said other computer.
Claim 8
Dependent Claim
26 words
The portable computer of claim 4 , said portable computer adding a pointing device function to said other computer when housed inside of said other computer.
Claim 9
Dependent Claim
22 words
The portable computer of claim 4 in which a part of a display screen of said portable computer is a touch panel.
Claim 10
Dependent Claim
15 words
The portable computer of claim 4 in which said other computer is a notebook PC.
Claim 11
Dependent Claim
39 words
The portable computer of claim 8 in which a part of a display screen of said portable computer is visible from outside when said portable computer is housed inside of said notebook PC and said notebook PC is open.
Claim 12
Dependent Claim
39 words
The portable computer of claim 8 in which a part of a display screen of said portable computer is visible from outside when said portable computer is housed inside of said notebook PC and said notebook PC is closed.
Claim 13
Dependent Claim
81 words
A mainframe computer capable of housing a portable computer which adds functions to said mainframe computer when said portable computer is housed inside of said mainframe computer, said portable computer being capable of receiving input from and displaying output to a user and operable either under a condition housed inside of said mainframe computer or by itself, a part of a display of said portable computer being visible from outside when said portable computer is housed inside of said mainframe computer.
Claim 14
Dependent Claim
81 words
A mainframe computer capable of housing a portable computer which adds functions to said mainframe computer when said portable computer is housed inside of said mainframe computer, said portable computer being capable of receiving input from and displaying output to a user and operable either under a condition housed inside of said mainframe computer or by itself, a part of a display of said portable computer being visible from outside when said portable computer is housed inside of said mainframe computer.
Claim 15
Independent Claim
91 words
A system comprising a mainframe computer and a portable computer which can be housed inside of said mainframe computer, said portable computer being capable of receiving input from and displaying output to a user and being operable under a condition housed inside of said mainframe computer or by itself, and said system adding functions to said mainframe computer under a condition housed inside of said mainframe computer, a part of a display of said portable computer being visible from outside when said portable computer is housed inside of said mainframe computer.
Claim 16
Independent Claim
91 words
A system comprising a mainframe computer and a portable computer which can be housed inside of said mainframe computer, said portable computer being capable of receiving input from and displaying output to a user and being operable under a condition housed inside of said mainframe computer or by itself, and said system adding functions to said mainframe computer under a condition housed inside of said mainframe computer, a part of a display of said portable computer being visible from outside when said portable computer is housed inside of said mainframe computer.
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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) | 2006-03-24 | 2006-09-23 | 2007-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2010-03-24 | 2010-09-23 | 2011-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2014-03-24 | 2014-09-23 | 2015-03-25 | $7700.00 | Window Closed / Lapsed |