To accurately display the remaining time of a period determined by each viewer on a screen of a television and to provide a zapping prevention means.
A TOT and a time management program for calculating and displaying the remaining time to a predetermined limit of a user at a receiver side are broadcasted from a broadcasting station. The time management program is stored in a storage device or a storage region where stored data are erased if a channel of a data broadcast is changed in a storage device of a receiver, and the predetermined limit input by the user is stored in a storage device or a storage region where stored data are not erased even if a channel of a data broadcast is changed. The predetermined limit input by the user is then stored on the basis of the time management program, the predetermined limit is compared with time information to be broadcasted, and the remaining time is calculated and displayed.
| JPS5892695 | 【考案の名称】タイマ |
| JP5435945 | Measuring instrument with postprandial inspection time alarm |
| JPS59174780 | ELECTRONIC SANDGLASS |
SAWA TOSHIAKI
YACHI NORIHIDE
OSHIMA REIJI
Next Patent: COPLANAR FILTER AND METHOD OF FORMING SAME