Patent EP0167044A2 successfully refreshed from Google Patents.
EP0167044A2
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Intelligent card
Assignee: Casio Computer Co Ltd
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Filing: 1985-06-18
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Granted: —
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Expires: 2005-06-18
Abstract
Abstract In an intelligent card, a keyboard (12) has numeric keys (12A) for entering identification data and a collation execution key (12C). A solar cell (40), a display device (13) and an IC chip for performing arithmetic operations and card identification are incorporated in a case (20). The IC chip includes a nonvolatile memory for storing predetermined identification data. The predetermined identification data is compared with the input identification code entered at the keyboard (12) upon operation of the key (12C), thereby performing card identification.
Inventors
- 👤 Kenji Rikuna
- 👤 Harumi Nakano
- 👤 Kazuya Hara
- 👤 Yoshimi Shigenaga
- 👤 Hiroyasu Bito
- 👤 Eiichi Takeuchi
- 👤 Morito Tamiya
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-26 08:48
CPC Classifications
G; G07; G07F; G07F7/00; G07F7/08; G07F7/10; G07F7/1008; G06; G06F; G06F15/00; G06F15/02; G06F15/0241; G06K; G06K19/00; G06K19/06; G06K19/067; G06K19/07; G06K19/0701; G06K19/0702; G06K19/0704; G06K19/0719; G06K19/0723; G06K19/077; G06K19/07701; G06K19/07703; G06Q; G06Q20/00; G06Q20/30; G06Q20/34; G06Q20/341; G06Q20/3415
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
74 words
An intelligent card characterized by comprising: input means (12, 120) for entering identification information; first memory means (304, 312) for storing the identification information entered by said input means; second memory means (305) for storing predetermined identification information; means (311, 316) for performing a collation of the identification information stored in said first and second memory means; and means (315) for generating a signal representing a collation result generated from said collation performing means.
Claim 2
Dependent Claim
74 words
An intelligent card characterized by comprising: input means (12, 120) for entering identification information; first memory means (304, 312) for storing the identification information entered by said input means; second memory means (305) for storing predetermined identification information; means (311, 316) for performing a collation of the identification information stored in said first and second memory means; and means (315) for generating a signal representing a collation result generated from said collation performing means.
Claim 3
Dependent Claim
63 words
A card according to claim 1, characterized by further comprising: a thin flat card base (10); informing means (13) arranged on said card base to perform an informing operation in response to the signal from said collation performing means; and a power source (40, 41) arranged in said base to supply electric power to an entirety of said card including said informing means.
Claim 4
Dependent Claim
62 words
A card according to claim 1, characterized in that said second memory means includes a first memory area (N) for storing the predetermined identification information and a second memory area (M) for accumulating the number of times of noncoincidence between the identification information stored in said first and second memory means when the identification information is compared by said collation performing means.
Claim 5
Dependent Claim
52 words
A card according to claim 3, characterized in that said collating performing means includes means (311, 317) for outputting card invalid flag data when the number of times of noncoincidence exceeds a predetermined value, and said second memory means has a third memory area (L) for storing the card invalid flag data.
Claim 6
Dependent Claim
30 words
A card according to claim 2, characterized in that said informing means includes a display device (13) whose display surface extends upward from an upper surface of said card base.
Claim 7
Dependent Claim
61 words
A card according to claim 5, characterized by further comprising display control means (315) for displaying the input identification information on said display device, said collation performing means includes identification execution instructing means (12C), and said signal generating means includes means for clearing the input identification information displayed on said display device and displaying the collation result on said display device.
Claim 8
Dependent Claim
45 words
A card according to claim 5, characterized by further comprising means (318) for detecting that a predetermined period of time has elapsed after the collation result is displayed, and means (311) for clearing a displayed content in response to an output from said detecting means.
Claim 9
Dependent Claim
27 words
A card according to claim 2, characterized in that said collation performing means includes means (316) for comparing the contents of said first and second memory means.
Claim 10
Dependent Claim
63 words
A card according to claim 8, characterized by further comprising: counting means (312, 313) for counting the number of times of noncoincidence detected by said collation performing means; detecting means (317) for detecting whether or not a count of said counting means has reached a predetermined value; and means (311) for invalidating said intelligent card when the count has reached the predetermined value.
Claim 11
Dependent Claim
61 words
A card according to claim 5, characterized by further comprising display inhibiting means (312, 315) for inhibiting display of said display device when the content of said first memory means is displayed on said display device and at the same time the number of digits of the content of said first memory means coincides with that of said second memory means.
Claim 12
Dependent Claim
83 words
A card according to claim 1, characterized in that said input means includes key input means (120) which comprises a plurality of alpha-numeric keys (12A) for entering the identification information and an instruction key (12C) for instructing card identification, and said collation performing means includes means (316) for comparing the contents of said first and second memory means and storing the input identification information in said first memory means when the input identification information is entered while said instruction key is being depressed.
Claim 13
Dependent Claim
77 words
A card according to claim 1, characterized by further comprising: reference clock signal generating means (332, 333); means (334, 335) for outputting time data and calendar data by counting said reference clock signal; means (13) for displaying the time data and the calendar data; means (305) for storing an intelligent card valid date; means (340) for comparing the calendar data with the valid date; and means (342, 343) for informing a comparison result by said comparing means.
Claim 14
Dependent Claim
51 words
A card according to claim 12, characterized by further comprising: means (311) for calculating the number of remaining valid days up to an expiration date; and means (342) for supplying a flickering display signal to said display device when the number of remaining valid days is less than a predetermined number.
References Cited (Backward Citations)
No citation records indexed.
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