Search devices, navigation devices, and search programs

A technology for obtaining devices and input devices, which can be applied to road network navigators, structured data retrieval, digital data information retrieval, etc., and can solve problems such as reducing operation efficiency.

Inactive Publication Date: 2009-06-10
AISIN AW CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] However, in the existing navigation device, the user needs to specify a logical operator for each retrieval condition
[0011] Therefore, the two operations of inputting search text and specifying logical operators must be performed, which becomes a burden on the operation
Especially in navigation devices where the scope of search objects is limited to specific buildings or locations, specifying logical operators will reduce operational efficiency

Method used

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  • Search devices, navigation devices, and search programs
  • Search devices, navigation devices, and search programs
  • Search devices, navigation devices, and search programs

Examples

Experimental program
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Embodiment Construction

[0038] (1) Outline of Embodiment

[0039] The navigation device 1 can designate any attribute among "name", "address" and "category" and input a keyword through the attribute tab 87 (FIG. 2A).

[0040] The navigation device 1 sets retrieval conditions by logical AND for keywords belonging to different attributes, and for keywords belonging to the same attribute, when it is a subordinate relationship, the retrieval condition is set by logical AND, when it is not an affiliation relationship, Set search conditions by logical OR.

[0041] Thus, when a keyword is input, the navigation apparatus 1 can select an appropriate logical operator based on an attribute, and can automatically set a search condition.

[0042] Furthermore, the navigation device 1 displays the approximate number of the number of search objects in the number area 86 while the search is being performed.

[0043] In the case where the search condition is formed by logical AND, the maximum number of search result...

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PUM

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Abstract

The invention provides a search device, navigation device and search program, which can automatically set proper logical operator. The navigation device (1) can use attribute tags (87) to appoint any attribute of name, residence and type and input keywords, search conditions are set by logical AND aiming at keywords belonging to different attributes; for keywords belonging to same attribute, if relation of subordination is provided, search conditions are set by logical AND; if relation of subordination is not provided, search conditions are set by logical AND. Otherwise, in the navigation device (1), the maximum number of search results is the minimum number of pieces in the search objects corresponding to each keyword in the condition that the search conditions are composed by logical AND so as to display the number of pieces; and in the condition that the search conditions are composed by logical AND, the maximum number of search results is the sum of number of pieces of search objects corresponding to each keyword so as to display the sum of the number of pieces.

Description

technical field [0001] The present invention relates to a search device, a navigation device and a search program, for example, to support the input of search words. Background technique [0002] In recent years, a technique of guiding a vehicle using a navigation device has become popular. [0003] The navigation device has the following functions, that is, the function of searching the route from the departure point to the destination, the function of detecting the position of the own vehicle using sensors such as GPS (Global Positioning System: Global Positioning System) satellites and gyroscopes, and the function of displaying the location of the vehicle on the map. A function to display the route to the destination and the current position of the own vehicle, etc. [0004] In general, in a navigation device, as in the technical solution proposed in Patent Document 1, a plurality of items (pronunciation, category, address, etc.) Next, narrow down the range of candidate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C21/36G01C21/26G06F17/30
CPCG06F17/30241G06F17/30389G06F16/29G06F16/242
Inventor 河内裕司
Owner AISIN AW CO LTD
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