US5694122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jam information display using an arrow whose attribute value changes from a jam tail to a jam head
Assignee: Panasonic Holdings Corp
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Filing: 1996-11-14
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Granted: 1997-12-02
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Expires: 2016-11-14
Abstract
Abstract An arrow directed from the tail to the head of a jam is displayed on a map along a jammed road in its jammed section such that the attribute of the arrow changes from the jam tail to the jam head. Examples of the attribute of the arrow are color and the interval of adjacent dots of a dotted arrow.
Inventors
- 👤 Masaki Nakada
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:06
CPC Classifications
G; G01; G01C; G01C21/00; G01C21/26; G01C21/34; G01C21/36; G01C21/3691; G01C21/3694; G08; G08G; G08G1/00; G08G1/09; G08G1/0962; G08G1/0968; G08G1/0969
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
104 words
A road traffic information display method comprising the steps of: displaying a road map on a display screen that is provided in a self vehicle; calculating an entire length of a jam based on jam information included in road traffic information that is sent from an external system; and displaying, on the displayed map, an arrow directed from a jam tail to a jam head along a jammed road in a jammed section thereof such that an attribute of the arrow gradually changes from the jam tail to the jam head, based on the jam information and the calculated entire length of the jam.
Claim 2
Dependent Claim
104 words
A road traffic information display method comprising the steps of: displaying a road map on a display screen that is provided in a self vehicle; calculating an entire length of a jam based on jam information included in road traffic information that is sent from an external system; and displaying, on the displayed map, an arrow directed from a jam tail to a jam head along a jammed road in a jammed section thereof such that an attribute of the arrow gradually changes from the jam tail to the jam head, based on the jam information and the calculated entire length of the jam.
Claim 3
Dependent Claim
15 words
The road traffic information display apparatus according to claim 1, wherein the attribute is color.
Claim 4
Dependent Claim
30 words
The road traffic information display apparatus according to claim 1, wherein the arrow is a dotted arrow and the attribute is an interval of adjacent dots of the dotted arrow.
Claim 5
Dependent Claim
116 words
A road traffic information display apparatus comprising: road map display means for displaying a road map on a display screen that is provided in a self vehicle; jam length calculating means for calculating an entire length of a jam based on jam information included in road traffic information that is sent from an external system; and jam information display means for displaying, on the displayed map, an arrow directed from a jam tail to a jam head along a jammed road in a jammed section thereof such that an attribute of the arrow gradually changes from the jam tail to the jam head, based on the jam information and the calculated entire length of the jam.
Claim 6
Dependent Claim
116 words
A road traffic information display apparatus comprising: road map display means for displaying a road map on a display screen that is provided in a self vehicle; jam length calculating means for calculating an entire length of a jam based on jam information included in road traffic information that is sent from an external system; and jam information display means for displaying, on the displayed map, an arrow directed from a jam tail to a jam head along a jammed road in a jammed section thereof such that an attribute of the arrow gradually changes from the jam tail to the jam head, based on the jam information and the calculated entire length of the jam.
Claim 7
Dependent Claim
15 words
The road traffic information display apparatus according to claim 4, wherein the attribute is color.
Claim 8
Dependent Claim
30 words
The road traffic information display apparatus according to claim 4, wherein the arrow is a dotted arrow and the attribute is an interval of adjacent dots of the dotted arrow.
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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) | 2000-12-01 | 2001-06-02 | 2001-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-12-01 | 2005-06-02 | 2005-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-12-01 | 2009-06-02 | 2009-12-02 | $7700.00 | Window Closed / Lapsed |