Patent US6259990B1 successfully refreshed from Google Patents.
US6259990B1
Expired / Lapsed
US
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Information processing apparatus and pedestrian navigation system using the same
Assignee: Hitachi Ltd
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Filing: 1998-05-15
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Granted: 2001-07-10
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Expires: 2018-05-15
Abstract
Abstract A route computation apparatus having pedestrian-oriented map information for pedestrian route guidance, a portable route guidance apparatus, and markers located in an installation. A medium translation function is also included for translating input information of a given medium to information of another medium for output depending on current status of a pedestrian, whereby the information of interest is translated into information in a format suitable for the state in which the pedestrian is utilizing the portable apparatus.
Inventors
- 👤 Hiroshi Shojima
- 👤 Tomo Yashiki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 21:27
CPC Classifications
G; G01; G01C; G01C21/00; G01C21/20; Y; Y10; Y10S; Y10S367/00; Y10S367/91
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
178 words
A pedestrian navigation system for transmitting information to a portable pedestrian guidance apparatus carried by a pedestrian so that the portable pedestrian guidance apparatus outputs the transmitted information to navigate said pedestrian, said pedestrian navigation system comprising: a plurality of markers mounted at various locations in an installation, wherein each marker outputs a beam which carries installation identification information for identifying a location at which said marker is installed and direction information indicating a direction at which said beam is being emitted by said marker; and a route computation information providing apparatus having a database for a pedestrian-oriented map including the locations of said markers, a computation function for computing routes based on said installation identification information and said direction information, and a communication function for communicating with said portable pedestrian guidance apparatus, wherein said portable pedestrian guidance apparatus comprises: a communication function for communicating with said route computation information providing apparatus and said markers, and a position and direction measuring function for measuring a position and direction based on said installation identification information and said direction information.
Claim 2
Dependent Claim
178 words
A pedestrian navigation system for transmitting information to a portable pedestrian guidance apparatus carried by a pedestrian so that the portable pedestrian guidance apparatus outputs the transmitted information to navigate said pedestrian, said pedestrian navigation system comprising: a plurality of markers mounted at various locations in an installation, wherein each marker outputs a beam which carries installation identification information for identifying a location at which said marker is installed and direction information indicating a direction at which said beam is being emitted by said marker; and a route computation information providing apparatus having a database for a pedestrian-oriented map including the locations of said markers, a computation function for computing routes based on said installation identification information and said direction information, and a communication function for communicating with said portable pedestrian guidance apparatus, wherein said portable pedestrian guidance apparatus comprises: a communication function for communicating with said route computation information providing apparatus and said markers, and a position and direction measuring function for measuring a position and direction based on said installation identification information and said direction information.
Claim 3
Dependent Claim
58 words
A pedestrian navigation system according to claim 1 , wherein said portable pedestrian guidance apparatus further comprises: an information translation function for translating information sent either from said route computation information providing apparatus or from said markers into information in a format applicable to a use state of a user making use of said portable pedestrian guidance apparatus.
Claim 4
Dependent Claim
105 words
A pedestrian navigation system according to claim 2 , wherein said information translation function comprises: a detecting part for detecting said use state of said user making use of said portable pedestrian guidance apparatus; a translation table defining beforehand relations of correspondence between a detected result from said detecting part and said use state of said user; a judging part for judging said use state of said user based on said detected result from said detecting part and on said translation table; and an information translating part for translating information received by said receiving part in accordance with a judged result from said judging part.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2004-07-09 | 2005-01-08 | 2005-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2008-07-09 | 2009-01-08 | 2009-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2012-07-09 | 2013-01-08 | 2013-07-10 | $7700.00 | Window Closed / Lapsed |