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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
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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 12:02
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.

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

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