Claims
- 1. A data card for storing individual data of a user of an exerciser, comprising:
- a card base having a transparent plate and a photo intercepting film formed on said plate for intercepting light except a plurality of portions;
- a plurality of removable light stopping films each formed at least on one surface of said card base at a position corresponding to each of said portions for stopping passage of light through each of said portions; wherein
- individual data is stored by removing the light stopping film on a portion corresponding to the individual data.
- 2. A data card according to claim 1, wherein
- said card base comprises a polyvinyl chloride resin and light intercepting ink printed on said polyvinyl chloride resin.
- 3. A data card according to claim 2, wherein
- said light stopping film includes printed light intercepting ink.
- 4. A data card according to claim 1, wherein
- said portions are openings formed arranged in a matrix on said light stopping film.
- 5. A data card according to claim 4, wherein
- said opening includes a data detecting hole used for detecting the individual data and a timing detecting hole for detecting timing of detecting the individual data.
Priority Claims (1)
Number |
Date |
Country |
Kind |
2-024075 |
Mar 1990 |
JPX |
|
Parent Case Info
This is a division of application Ser. No. 07/663,243, filed Mar. 1, 1991.
US Referenced Citations (12)
Divisions (1)
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Number |
Date |
Country |
Parent |
663243 |
Mar 1991 |
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