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US5714972A Expired / Lapsed US ⏱️ 0.0 years remaining

Display apparatus and display method

Assignee: Panasonic Holdings Corp
•
Filing: 1996-02-14
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Granted: 1998-02-03
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Expires: 2016-02-14
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Abstract

Abstract A position detector 1 detects the position of a display screen 4, an image memory 2 stores image information, a selector 3 selects a portion of the image information stored in the image memory 2 in accordance with the position of the display screen 4 detected by the position detector 1 and supplies the selected portion to the display screen 4, and the display screen 4 displays the selected image information. The invention is characterized in that when it is assumed that the entire image information stored in the image memory 2 is drawn in a viewing field space fixed relative to the eye, the selector 3 selects the image information to be drawn on the display screen 4 lying in the viewing field space.

Inventors

  • 👤 Koichiro Tanaka
  • 👤 Tomohiro Kimura
  • 👤 Akihiro Tatsuta
  • 👤 Yasuo Nagaishi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 12:31
CPC Classifications
G; G06; G06F; G06F3/00; G06F3/01; G06F3/03; G06F3/033; G06F3/0354; G06F1/00; G06F1/16; G06F1/1613; G06F1/1626; G06F1/1633; G06F1/1684; G06F1/1694; G06F3/048; G06F3/0484; G06F3/0485; G06F2200/00; G06F2200/16; G06F2200/163; G06F2200/1637

Claims Analysis

Total Claims: 18
Claim 1
Independent Claim 126 words
A display apparatus comprising: a movable display screen adapted to be physically moved on a surface of a base, position detecting means for detecting a position of the movable display screen on the surface of the base, image storing means for storing image information for an entire image, and selecting means for selecting a portion of the image information stored in the image storing means in accordance with the position of the movable display screen on the surface of the base and for causing the selected portion of the image information to be displayed on the movable display screen such that a relation of the displayed portion to the entire image is easily recognized from the position of the movable display screen relative to the base.
Claim 2
Dependent Claim 126 words
A display apparatus comprising: a movable display screen adapted to be physically moved on a surface of a base, position detecting means for detecting a position of the movable display screen on the surface of the base, image storing means for storing image information for an entire image, and selecting means for selecting a portion of the image information stored in the image storing means in accordance with the position of the movable display screen on the surface of the base and for causing the selected portion of the image information to be displayed on the movable display screen such that a relation of the displayed portion to the entire image is easily recognized from the position of the movable display screen relative to the base.
Claim 3
Dependent Claim 49 words
A display apparatus according to claim 1, wherein the position detecting means detects the position of the movable display screen on the basis of at least one of three parameters including an amount of movement, a velocity of movement, and an acceleration of movement of the movable display screen.
Claim 4
Dependent Claim 28 words
A display apparatus according to claim 1, wherein signal transmission from the selecting means to the movable display screen is performed via a wireless or wired transmission path.
Claim 5
Dependent Claim 172 words
A display apparatus comprising: a movable display screen physically movable, on a surface of a base, to differing positions with respect to a viewing field space, position detecting means for detecting a position of the movable display screen on the surface of the base, image storing means for storing image information for an entire image, and selecting means for selecting a portion of the image information stored in the image storing means in accordance with the position of the movable display screen on the base and for causing the selected portion of the image information to be displayed on the display screen, wherein, when an entire image information stored in the image storing means corresponds to the viewing field space, the selecting means selects a part of the image information corresponding to a subspace of the viewing field space that the movable display screen occupies such that a relation of the displayed portion to the entire image is easily recognized from the position of the movable display screen relative to the base.
Claim 6
Dependent Claim 172 words
A display apparatus comprising: a movable display screen physically movable, on a surface of a base, to differing positions with respect to a viewing field space, position detecting means for detecting a position of the movable display screen on the surface of the base, image storing means for storing image information for an entire image, and selecting means for selecting a portion of the image information stored in the image storing means in accordance with the position of the movable display screen on the base and for causing the selected portion of the image information to be displayed on the display screen, wherein, when an entire image information stored in the image storing means corresponds to the viewing field space, the selecting means selects a part of the image information corresponding to a subspace of the viewing field space that the movable display screen occupies such that a relation of the displayed portion to the entire image is easily recognized from the position of the movable display screen relative to the base.
Claim 7
Dependent Claim 47 words
A display apparatus according to claim 4, wherein the position detecting means detects the position of the display screen on the basis of at least one of three parameters including an amount of movement, a velocity of movement, and an acceleration of movement of the display screen.
Claim 8
Dependent Claim 27 words
A display apparatus according to claim 4, wherein signal transmission from the selecting means to the display screen is performed via a wireless or wired transmission path.
Claim 9
Dependent Claim 197 words
A display apparatus comprising: a movable display screen physically movable, on a surface of a base, to differing positions with respect to a viewing field space, position detecting means for detecting a position of the movable display screen on the surface of the base, image storing means for storing image information, enlarging/reducing means for accepting image information from the image storing means and for enlarging or reducing a size of the image information to be drawn in a viewing field space, and selecting means for selecting a portion of the image information held in the enlarging/reducing means in accordance with a position of the movable display screen on the base and for causing the selected portion of the image information to be displayed on the movable display screen, wherein, when an entire image information held in the enlarging/reducing means corresponds to the viewing field space, the selecting means selects a part of the image information corresponding to a subspace of the viewing field space that the movable display screen occupies such that a relation of the displayed portion to the entire image is easily recognized from the position of the movable display screen relative to the base.
Claim 10
Dependent Claim 197 words
A display apparatus comprising: a movable display screen physically movable, on a surface of a base, to differing positions with respect to a viewing field space, position detecting means for detecting a position of the movable display screen on the surface of the base, image storing means for storing image information, enlarging/reducing means for accepting image information from the image storing means and for enlarging or reducing a size of the image information to be drawn in a viewing field space, and selecting means for selecting a portion of the image information held in the enlarging/reducing means in accordance with a position of the movable display screen on the base and for causing the selected portion of the image information to be displayed on the movable display screen, wherein, when an entire image information held in the enlarging/reducing means corresponds to the viewing field space, the selecting means selects a part of the image information corresponding to a subspace of the viewing field space that the movable display screen occupies such that a relation of the displayed portion to the entire image is easily recognized from the position of the movable display screen relative to the base.
Claim 11
Dependent Claim 47 words
A display apparatus according to claim 7, wherein the position detecting means detects the position of the display screen on the basis of at least one of three parameters including an amount of movement, a velocity of movement, and an acceleration of movement of the display screen.
Claim 12
Dependent Claim 27 words
A display apparatus according to claim 7, wherein signal transmission from the selecting means to the display screen is performed via a wireless or wired transmission path.
Claim 13
Dependent Claim 208 words
A display apparatus comprising: a movable display screen physically movable, on a surface of a base, to differing positions with respect to a viewing field space, position detecting means for detecting the position of the movable display screen on the surface of the base, image storing means for storing image information, selecting means for selecting a portion of the image information stored in the image storing means in accordance with the position of the movable display screen on the base and for causing the selected portion of the image information to be displayed on the movable display screen, and enlarging/reducing means for accepting the image information selected by the selecting means and for enlarging or reducing a size of the selected image information to be drawn in the viewing field space, wherein, when an entire image information stored in the image storing means is enlarged or reduced in size and drawn in the viewing field space, the selecting means selects a part of the image information corresponding with a subspace of the viewing field space that the movable display screen occupies such that a relation of the displayed portion to the entire image is easily recognized from the position of the movable display screen relative to the base.
Claim 14
Dependent Claim 208 words
A display apparatus comprising: a movable display screen physically movable, on a surface of a base, to differing positions with respect to a viewing field space, position detecting means for detecting the position of the movable display screen on the surface of the base, image storing means for storing image information, selecting means for selecting a portion of the image information stored in the image storing means in accordance with the position of the movable display screen on the base and for causing the selected portion of the image information to be displayed on the movable display screen, and enlarging/reducing means for accepting the image information selected by the selecting means and for enlarging or reducing a size of the selected image information to be drawn in the viewing field space, wherein, when an entire image information stored in the image storing means is enlarged or reduced in size and drawn in the viewing field space, the selecting means selects a part of the image information corresponding with a subspace of the viewing field space that the movable display screen occupies such that a relation of the displayed portion to the entire image is easily recognized from the position of the movable display screen relative to the base.
Claim 15
Dependent Claim 28 words
A display apparatus according to claim 10, wherein signal transmission from the enlarging/reducing means to the movable display screen is performed via a wireless or wired transmission path.
Claim 16
Dependent Claim 47 words
A display apparatus according to claim 10, wherein the position detecting means detects the position of the display screen on the basis of at least one of three parameters including an amount of movement, a velocity of movement, and an acceleration of movement of the display screen.
Claim 17
Dependent Claim 131 words
A display method comprising the steps of: providing a movable display screen physically movable, on a surface of a base, to differing positions with respect to a viewing field space, detecting a position of the movable display screen on the surface of the base, designating, on the basis of the detected position, a subspace that the movable display screen occupies in the viewing field space when an entire image information corresponds to the viewing field space, and supplying, for display purposes, the portion of the entire image information corresponding to the subspace portion of the viewing field space occupied by the movable display screen such that a relation of the displayed portion to the entire image is easily recognized from the position of the movable display screen relative to the base.
Claim 18
Dependent Claim 131 words
A display method comprising the steps of: providing a movable display screen physically movable, on a surface of a base, to differing positions with respect to a viewing field space, detecting a position of the movable display screen on the surface of the base, designating, on the basis of the detected position, a subspace that the movable display screen occupies in the viewing field space when an entire image information corresponds to the viewing field space, and supplying, for display purposes, the portion of the entire image information corresponding to the subspace portion of the viewing field space occupied by the movable display screen such that a relation of the displayed portion to the entire image is easily recognized from the position of the movable display screen relative to the base.

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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) 2001-02-02 2001-08-04 2002-02-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2005-02-02 2005-08-04 2006-02-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2009-02-02 2009-08-04 2010-02-03 $7700.00 Window Closed / Lapsed

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