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US6380921B2 Expired / Lapsed US ⏱️ 0.0 years remaining

Information terminal device with display-illuminating means

Assignee: NEC Corp
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Filing: 1999-03-30
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Granted: 2002-04-30
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Expires: 2019-03-30
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Abstract

Abstract An information terminal device which has: a display; a lid for covering the display while being allowed to fold up and unfold freely, and part for illuminating the display from above provided on the lid.

Inventors

  • 👤 Atsunori Nakamura

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 16:26
CPC Classifications
G; G06; G06F; G06F1/00; G06F1/16; G06F1/1613; G06F1/1626; G02; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/133; G02F1/1333; G02F1/1335; G02F1/1336; G02F1/133616; G06F2200/00; G06F2200/16; G06F2200/163; G06F2200/1634

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 71 words
An information terminal device, comprising, a display a lid for covering said display, said lid being allowed to fold up and unfold freely, and means for illuminating said display from above, wherein said means for illuminating is provided at a top end of said lid and disposed on said lid, and wherein light emitted from said means for illuminating said display is directed to said display when said lid is unfolded.
Claim 2
Dependent Claim 71 words
An information terminal device, comprising, a display a lid for covering said display, said lid being allowed to fold up and unfold freely, and means for illuminating said display from above, wherein said means for illuminating is provided at a top end of said lid and disposed on said lid, and wherein light emitted from said means for illuminating said display is directed to said display when said lid is unfolded.
Claim 3
Dependent Claim 29 words
An information terminal, according to claim 1 , wherein said display-illuminating means is disposed on the top end of said lid which is a remote end from said display.
Claim 4
Dependent Claim 39 words
An information terminal device, according to claim 1 , further comprising: a switch that connects and disconnects as said lid is opened and closed; wherein said display-illuminating means turns on and off accordingly as said switch connects and disconnects.
Claim 5
Dependent Claim 28 words
An information terminal device, according to claim 1 , further comprising: a photosensor; wherein said display-illuminating means turns on and off according to a signal from said photosensor.
Claim 6
Dependent Claim 33 words
An information terminal device, according to claim 1 , further comprising: a timer means that turns off said display-illuminating means when said information terminal device is not operated during a certain time period.
Claim 7
Dependent Claim 19 words
An information terminal device, according to claim 1 , wherein said display-illuminating means is disposed rotatably toward said display.
Claim 8
Dependent Claim 40 words
An information terminal device, according to claim 6 , further comprising: a rotary switch that connects and disconnects according as said display-illuminating means rotates; wherein said display-illuminating means turns on and off according as said rotary switch connects and disconnects.
Claim 9
Dependent Claim 113 words
An information terminal device, comprising: a display; a lid for covering said display, said lid being allowed to fold up and unfold freely; means for illuminating said display from above provided on said lid and disposed rotatably toward said display; a rotational shaft mounting said display illuminating means to said lid; a rotary switch mounted to said lid; and a cam provided at an end of said rotational shaft, said cam rotating with said rotational shaft; wherein said cam releases said rotary switch when said display illuminating means is rotated into a first position and said cam presses down said rotary switch when said display illuminating means is rotated into a stored position.
Claim 10
Dependent Claim 113 words
An information terminal device, comprising: a display; a lid for covering said display, said lid being allowed to fold up and unfold freely; means for illuminating said display from above provided on said lid and disposed rotatably toward said display; a rotational shaft mounting said display illuminating means to said lid; a rotary switch mounted to said lid; and a cam provided at an end of said rotational shaft, said cam rotating with said rotational shaft; wherein said cam releases said rotary switch when said display illuminating means is rotated into a first position and said cam presses down said rotary switch when said display illuminating means is rotated into a stored position.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2005-04-29 2005-10-29 2006-04-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2009-04-29 2009-10-29 2010-04-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2013-04-29 2013-10-29 2014-04-30 $7700.00 Window Closed / Lapsed

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