| 摘要 |
A projection clock (10) has a base unit (12) that includes power supply means (30), a clock circuit (21) powered by way of the power supply means (30), and a wireless transmitter (28) for wirelessly transmitting time information provided by the clock circuit (21). Also comprised is a projection unit (11) separate from the base unit (12), which includes a projection circuit (17 & 17A) and a wireless receiver (14) for wirelessly receiving the transmitted time information, based on which the projection circuit (17 & 17A) operatively projects the time. |
