Patent ID: 9135222
Filing Date: 2015-09-15
Classification: G06F

Abstract:
1. A method comprising viewing a document file and projecting the document file by a projection apparatus having a built-in file viewer adapted to open the document file, comprising: storing, in a memory, multi-lingual word banks supported by the projection apparatus, each word bank corresponds to one language wherein the projection apparatus comprises a memory, a processing core and a part of the projection apparatus for which the file viewer stored into, wherein the memory and the part of the projection apparatus is linked to the processing core; grouping the multi-lingual word banks to obtain a plurality of language groups, wherein each of the language groups contains at least two word banks of different languages, any two of the language groups shares at least one of the word banks, and the number of the word banks contained in each of the language groups is less than the number of the word banks supported by the projection apparatus; projecting an on-screen display (OSD) menu by the projection apparatus; receiving an input condition selected from the OSD menu, wherein the input condition comprising selection of at least one language; determining, by the processing core, one of the language groups associated with the input condition from the memory; linking, by the processing core, one of the language groups associated with the input condition from the memory to the file viewer stored in the part in response to the input condition; and loading, by the processing core, the linked language group associated with the input condition from the memory to the file viewer when the processing core receives the input condition of selecting the at least one language; viewing the document file containing the languages in the linked language group by opening the document file; and projecting the document file.