A Study of Cellular Phone Keypad Size Used by Middle-Aged People
碩士 === 大同大學 === 工業設計研究所 === 89 === According to IDC (Internet Data center) communication market survey, cellular phones are popular products that have up to 70 % of consumer’s population in Taiwan. The usages of cellular phones have stepped into a period of maturity. Since it would have been hardly...
| Main Authors: | , |
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| Other Authors: | |
| Format: | Others |
| Language: | zh-TW |
| Published: |
2001
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| Online Access: | http://ndltd.ncl.edu.tw/handle/51884797560349617574 |