EP0883055A2
Expired / Lapsed
EP
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Digital map display zooming method and device
Assignee: Sony Corp
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Filing: 1998-05-29
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Granted: —
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Expires: 2018-05-29
Abstract
Abstract In a digital map display zooming method for enlarging and reducing a displayed portion of a digital map as map information in digital form within a display screen, continuous enlarging operation and continuous reducing operation of the displayed portion of the digital map within the display screen are designated by operating the first designating part and the second designating part of a pointing device, respectively.
Inventors
- 👤 Ryuichi Watanabe
- 👤 Masafumi Minami
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-24 21:08
CPC Classifications
G; G06; G06F; G06F3/00; G06F3/01; G06F3/03; G06F3/033; G06F3/0354; G06F3/03547; G01; G01C; G01C21/00; G01C21/26; G01C21/34; G01C21/36; G01C21/3667; G01C21/367; G06F3/048; G06F3/0481; G09; G09B; G09B29/00; G09B29/10; G09B29/106; G06F2203/00; G06F2203/048; G06F2203/04806
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
75 words
In a digital map display zooming method for
enlarging and reducing a displayed portion of a digital map
as map information in digital form within a display screen
of a display device with a pointing means, an improvement
wherein operations of a first designating part and a second
designating part of said pointing means designate
continuously enlarging operation and continuously reducing
operation of said displayed portion of said digital map
within said display screen, respectively.
Claim 2
Dependent Claim
62 words
The digital map display zooming method of claim 1,
wherein said pointing means is a mouse, and a region of said
displayed portion to be enlarged is designated by moving
said mouse with said first designating part being pressed
and a region of said displayed portion to be reduced is
designated by moving said mouse with said second designating
part being pressed.
Claim 3
Dependent Claim
118 words
A digital map display zooming device for enlarging
and reducing a displayed portion of a digital map as map
information in digital form within a display screen, said
device comprising: display means having a display screen for displaying
said displayed portion of said digital map; pointing means, having a first designating part and a
second designating part, for carrying out continuously
enlarging operation and continuously reducing operation of
said displayed portion of said digital map within said
display screen by operating said first designating part and
said second designating part, respectively; and arithmetic processing means for carrying out processing
for performing continuously enlarging operation and
continuously reducing operation of a displayed portion
designated by operating said pointing means.
Claim 4
Dependent Claim
53 words
The digital map display zooming device of claim 3,
wherein continuously enlarging operation of said displayed
portion continues when said first designating part of said
pointing means is kept being pressed and continuously
reducing operation of said displayed portion continues when
said second designating part of said pointing means is kept
being pressed.
Claim 5
Dependent Claim
90 words
A storage medium for storing a digital map display
zooming program for enlarging and reducing a displayed
portion of a digital map as map information in digital form
within a display screen of a display device with a pointing
means, the improvement wherein said digital map display
zooming program includes the steps of designating
continuously enlarging operation and continuously reducing
operation of said displayed portion of said digital map
within said display screen by operations of a first
designating part and a second designating part of said
pointing means, respectively.
References Cited (Backward Citations)
No citation records indexed.
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