| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem that when a past history is inquired at an optician's shop, a member card needs to be carried and then there is inconvenience as a user forgets to carry the member card or loses it, or the member card gets mixed with other member cards. SOLUTION: A member identifier is imprinted on spectacles themselves and then the spectacles serve as a member card. In the aspect of spectacle adjustments, a customer need not be troubled to show his or her member card. COPYRIGHT: (C)2009,JPO&INPIT
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