| 摘要 |
<p>PURPOSE:To improve the value added of a portable electronic device and to reduce a load due to application of the device by displaying the data if included in a storage means at a display part when a prescribed key is operated on a keyboard. CONSTITUTION:If the data is included in a storage means 12 when a prescribed key is operated on a keyboard 5, the data is displayed at a display part 4 via a display control means 11. In other words, the advertisement information supplied from a producer of a portable electronic device or a service offerer is displayed at the part 4 and then given to the owner of the device. Thus the device owner can obtain the latest advertisement information and the producer of the device can receive the rental fees of a means of advertisement and the area storing the advertisement information. As a result, the value added is extremely improved for the portable electronic device and at the same time the load due to application of the device is reduced.</p> |
