Electronic wallet and method of operation of the same
First Claim
1. An electronic wallet having an operation board and display window, with an IC card which can store electronic money being held in said wallet, said operation board including a cross key which consists of four keys with four acting positions which can specify four operational functions, wherein said cross key has at least a function of entering a numeral and a function of selecting its numeral input position.
1 Assignment
0 Petitions
Accused Products
Abstract
A compact electronic wallet, which is intended for easy operation based on a reduced number of keys, has an LCD display window, only keys including a cross key used for the entry of password number and amount of money transfer, Function key and Enter key on the top of the casing, and two IC card slots on the upper and lower sides of the casing. The user'"'"'s own IC card is put into the lower card slot, which is normally closed by a hinged card cover, and held inside the casing, while other IC card is put into the upper card slot for electronic money transfer. Power is turned on in response to the operation of any key and turned off on expiration of a certain time after the last key operation.
99 Citations
20 Claims
- 1. An electronic wallet having an operation board and display window, with an IC card which can store electronic money being held in said wallet, said operation board including a cross key which consists of four keys with four acting positions which can specify four operational functions, wherein said cross key has at least a function of entering a numeral and a function of selecting its numeral input position.
- 3. An electronic wallet having an operation board and display window, with an IC card which can store electronic money being held in said wallet, said operation board including a cross key which consists of four keys with four acting positions which can specify four operational functions, wherein said cross key has functions of additive input and subtractive input of money at every unit amount of money.
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4. An electronic wallet having an operation board and display window, with an IC card which can store electronic money being held in said wallet, said operation board including a cross key which consists of four keys with four acting positions which can specify four operational functions, and said wallet further including a transparent top cover which is adapted to cover said operation board and slide on the casing toward said display window.
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5. A method of operation of an electronic wallet which has a room for holding one IC card which can store electronic money, a card inlet for putting in other IC card which can store electronic money, an operation board including a cross key consisting of four keys in united arrangement with four acting positions which can specify four operational functions, Function key and Enter key, and a display window, and is used for the transaction of electronic money with said one IC card and the transfer of electronic money between said one IC card and said other IC card,
said method including function selecting operations carried out after power is turned on and in a home-position state in which an icon indicative of balance display mode and icon indicative of locked state and the balance of electronic money of said one IC card are displayed in said display window, and comprising: -
a first step of pushing the Function key thereby to display the balance of electronic money of said other IC card in said display window if said other IC card is present in said card inlet, or bring said electronic wallet to lock operation mode for said one IC card, with an icon of lock operation mode being turned on, if said other IC card is absent in said card inlet; a second step of pushing the Function key thereby to bring said electronic wallet to lock operation mode for said other IC card, with the icon of lock operation mode being turned on, if said other IC card is present in said card inlet, or restore the home-position state of said electronic wallet if said other IC card is absent in said card inlet; a third step of pushing the Function key in the lock operation mode established by said second step thereby to bring said electronic wallet to transfer mode of transferring electronic money from said one IC card to said other IC card, with an icon of the money transfer being turned on; and a fourth step of pushing the Function key thereby to bring said electronic wallet to transfer mode of transferring electronic money from said other IC card to said one IC card, with an icon of money transfer being turned on. - View Dependent Claims (6, 7)
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13. An electronic wallet having an operation board and display window, with an IC card which can store electronic money being held in said wallet, said operation board including a cross key which consists of four keys with four acting positions which can specify four operational functions, wherein power is turned on in response to the operation of any key on said operation board and power is turned off on expiration of a prescribed time length after the last key operation on said operation board.
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15. An electronic wallet having a room for holding one IC card which can store electronic money, a card inlet for putting in other IC card which can store electronic money, an operation board and a display window, said operation board including a cross key which consists of four keys with four acting positions which can specify four operation al functions, wherein said cross key has a function of entering an amount of the transfer of electronic money between said one IC card and said other IC card.
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16. A method of operation of an electronic wallet which has a room for holding one IC card which can store electronic money, a card inlet for putting in other IC card which can store electronic money, an operation board and a display window, and said method comprising:
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a step of putting said one IC card into said room; a step of putting said other IC card into said inlet; a step of determining a direction for the transfer of electronic money between said one IC card and said other IC card; a step of entering amount of the transaction of electronic money between said one IC card and said other IC card; and wherein said amount of the transaction of electronic money can be entered by operating a cross key consisting of four keys with four acting positions which can specify four operational functions. - View Dependent Claims (17, 18)
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19. A method of operation of an electronic wallet which has a room for holding one IC card which can store electronic money, a card inlet for putting in other IC card which can store electronic money, an operation board and a display window, and said method comprising;
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a step of putting said one IC card into said room; a step of displaying whether said one IC card has been locked or unlocked; a step of entering a password number in case said one IC card has been locked; and wherein said password number can be entered by operating a cross key consisting of four keys with four acting positions which can specify four operational functions. - View Dependent Claims (20)
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Specification