High density laser digital signal storage telephone fee card

The utility model discloses a high density laser digital signal storage telephone fee value card, which includes a value card substrate, the surface of the value card is provided with a graph-text area and a password area, the utility model is characterized in that: the value card also includes a hi...

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Bibliographic Details
Main Authors SHUITAO ZHANG, XIANGLI PAN
Format Patent
LanguageEnglish
Published 02.06.2004
Edition7
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TELEPHONIC COMMUNICATION
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Summary:The utility model discloses a high density laser digital signal storage telephone fee value card, which includes a value card substrate, the surface of the value card is provided with a graph-text area and a password area, the utility model is characterized in that: the value card also includes a high density laser storage area that is arranged at a surface layer of the value card substrate or arranged on the high density laser storage substrate attached to the value card substrate. The value card can be used as an optical disk, and the optical disk can storage multimedia sound image file and other data file, the user can obtain the increment information service at the aspects of movie and TV entertainment etc., which can abstract users and improve the purchase enthusiasm of users. The value card can't be discarded immediately when the value card charges or the deposited amount is run out, which reduces waste and environmental pollution.
Bibliography:Application Number: CN2003234499U