Registers – Records – Conductive
Patent
1996-12-04
1998-12-22
Pitts, Harold
Registers
Records
Conductive
235380, 235488, G06K 1906
Patent
active
058522891
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates to a non-contact type IC card, and particularly, to a structure of the non-contact type IC card and a method of effectively producing the non-contact type IC card.
BACKGROUND ART
Recently, a non-contact type IC card has been used as a coupon card for a lift in a ski slope, a coupon card and a pass card for trains or buses, or a tag for managing stock, in which data can be identified and renewed without taking out the card at any time to insert it into a reading device at a place such as a ticket gate.
The basic structure of this kind of non-contact type IC card (hereinafter referred to as IC card) is shown in sectional views of FIGS. 14(a) and 14(b). That is, as shown in FIG. 14(a), the IC card is formed such that a substrate 201 mounted with an electric part and an antenna coil 202 are disposed in a tray-shaped resin case 203c, and a resin cover body 203d or the like covers an upper portion of the case. Alternatively, as shown in FIG. 14(b), the IC card is formed such that a resin spacer 203e formed correspondingly to the largeness of the card is disposed on a resin thin plate 203c, a substrate 201 mounted with an electric part and an antenna coil 202 are inserted in the spacer, and then a resin body 203d covers an upper portion.
Generally, the thus formed IC card does not include a built-in cell as a power source. The electric power required for the card 210 is obtained such that when a person having the card passes near a ticket examining device placed at a thicket gate in a place such as a ski slope, the antenna coil 202 receives an electric wave transmitted from transmitting means of the ticket examining device and the electric part on the substrate 201 detects the wave to charge a capacitor. Using this electric power, a semiconductor device such as a built-in microcomputer as the electric part is driven to rewrite data of fees or the like, and the result is transmitted to the ticket examining device, so that the ticket examining device identifies the state of use of the IC card, and only a qualified person or a matter is passed or led to a predetermined direction.
As described above, since data identification can be conducted in the non-contact manner with mutual communication using the electric wave, it is not necessary to take out the card 210 to insert it into the ticket examining device at any time when a person having the card passes through the ticket gate, a time for ticket examination can be shortened, and delay can be relaxed. Due to these advantages, from now on, the card is becoming wide-spread in various fields, for example, in identification of fees in a speedway.
The IC card, which is expected to become further popular, is often thrown away after use, so that it is necessary to mass-produce the card in low cost. However, in the production method as shown in FIGS. 14(a) and 14(b), there are problems in the mass production, cost and performance.
That is, in the conventional production method as shown in FIGS. 14(a) and 14(b), there are problems that it is difficult to position the cover body 203d with respect to the case or the spacer so that the productivity is inferior, and that the card is comparatively easily remodeled by removing the cover body 203d. Further, there are problems that the card is apt to break down since when a user puts the card in a pocket of his trousers, the electric part or connecting portion in the card is damaged by bending of the cover body or the like due to the stress applied to the card 210, or the wiring is broken due to the movement of the antenna coil 202 by vibration.
FIGS. 15 to 18 show another example of a conventional non-contact type IC card. FIG. 15 is a plan view showing a conventional non-contact type IC card, and FIG. 16 is a perspective view of the conventional IC card. FIG. 17 is a front view showing the state in which a cover body is putting on a card body in a conventional non-contact type IC card.
In the drawings, reference numeral 121 denotes the non-contact type IC card. In this non-contact
REFERENCES:
patent: 4897534 (1990-01-01), Haghiri-Tehrani
patent: 4999742 (1991-03-01), Stampfli
Pitts Harold
Rohm & Co., Ltd.
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