This study aims at classjfying [ he re: ations between the merchandise 眄 ne − up and the concept of design , and discusses the structure of television set line ・ ups of five leadlng manufacturers during the past six years , The cathode ・ ray tube sets in tourcategories of ' 圏 wide ・ irame type " , " standard ・ frame type " , " ' compound wjde ・ frame type " and Ilcompound standard − frame type " were dassified into 38 types based on difieremces in combinatlons of nine tuning − in functions .

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... product Iine − ups were analyzed intime ・ serles using the quantMcation theory of the third type depending on ヒ he presenoe 〆 absence of 38 types , The result revealed diflerences indevelopment of product Line ・ ups aocording to the categories , and that Ctevelopment of the wideイrame TV and thecompound wide ・ frame TV sets was based on differences in types , The product developmen [ for the wide ・ frame TV sets by allol five manufacturers focused on the line ・ ups of multipie functions , and could be cEassified roughFy into three acoording to d) fferences in types that charac! erize the produet line − ups, revealing differences in R &D capacities and business strateg 「 es of the manufacturers ,