Card holder-type balance reader

A card holder-type balance display, comprising:

• a body for housing a card having recorded information of an electronic currency;
• a screen for displaying said information recorded in said card, said screen being arranged on said body;
• and
• a microcomputer located in said body for communicating with said card via a terminal,
• wherein said microcomputer further comprises:
• a first storing area for storing a first balance recorded in said card before a financial settlement using said card;
• and
• a control unit to control a display on said screen to display the balance during a predetermined time when said card is extracted from said body.

A card holder-type balance display, comprising:

• a body for housing a card having recorded information of an electronic currency;
• a screen for displaying said information recorded in said card, said screen being arranged on said body;
• a cover member arranged on said body so as to be opened or closed to permit insertion and extraction of the card into and from the body;
• a detector for detecting a condition whether said cover member is opened or closed;
• and
• a microcomputer located in said body for communicating with said card via a terminal;
• wherein said microcomputer further comprises:
• a first storing area for storing a first balance recorded in said card before a financial settlement using said card;
• and
• a second storing area for storing a second balance recorded in said card after the settlement;
• and
• a control unit to control a display on said screen to display the balance during a predetermined time when said cover member is opened, and to display the operating result based upon said first balance and said second balance only if a card inserted in the body before the settlement and a card inserted in the body after the settlement are identical.

A card holder-type balance display, comprising:

• a body for housing a card having recorded information of an electronic currency;
• a screen for displaying said information recorded in said card, said screen being arranged on said body;
• and
• a microcomputer located in said body for communicating with said card via a terminal,
• wherein said microcomputer further comprises:
• a first storing area for storing a first balance recorded in said card before a financial settlement using said card;
• and
• a second storing area for storing a second balance recorded in said card after the settlement;
• and
• a control unit to control a display on said screen to display the balance during a predetermined time when said card is extracted from said body and to display the operating result based upon said first balance and said second balance only if a card inserted in the body before the settlement and a card inserted in the body after the settlement are identical.