Navigation device, search method and search program

Abstract

The invention provides a navigation device, a search method and a search program which can easily search a searched target expressed by Chinese characters. The navigation device comprises an input means; a storage unit at least storing searching information expressing the searched target expressed by Chinese characters and corresponding information expressed by letters (Pinyin) corresponding to Chinese character expression; a searching unit obtaining at least one of searching result expressed by Chinese characters and searching result expressed by letters according to input from the input unitand in reference to the searching information and corresponding information; and a display control unit capable of displaying the searching result expressed by Chinese characters and the searching re sult expressed by letters on a display. The display control unit displays Chinese character searching pictures (200, 200A) or Pinyin searching pictures (300) in response to the input state of a progressive command part.

Description

technical field [0001] The present invention relates to a navigation device, and also relates to a search method for searching destinations and the like using Chinese characters or alphabets. Background technique [0002] In the navigation device, information such as facility names, place names, addresses, and road names is stored as a database, and these information are used to search for destinations and the like. These pieces of information can be stored and used in a format corresponding to each country's language. In Chinese, there are not only Chinese character representations, but also pinyin representations that use letters to represent the pronunciation of Chinese characters. This Pinyin notation is routinely used in China. For example, if the Chinese character "安" is expressed in pinyin, it is expressed as "an", and the pinyin of "路" is expressed as "lu". [0003] For pinyin representation, since at least two or more letters are used to represent one Chinese cha...

AI Technical Summary

Problems solved by technology

In the case of displaying an alphabetical list, for example, assuming that there are 100 facilities whose initials start with "AAA", if the user wants to search for a name beginning with "ABA", the user needs to scroll (scroll) the Chinese characters of the 100 facilities list, the operation is very troublesome

In addition, when the content represented by a plurality of Chinese characters is displayed on the display, it is necessary to visually select the content represented by Chinese characters that meets the conditions, and this operation also requires a lot of labor and time.

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