| 摘要 |
<p>PURPOSE:To decrease the number of steps between a camera main body and respective accessories and to improve a transmitting speed by respectively providing a specified clock width converting outputting means and clock width discriminating means in a camera system in which a signal is transferred between the camera main body and the accessory. CONSTITUTION:Each accessory connected to the camera main body Bo is made to be able to discriminate whether the accessory is selected or not by the discriminating means 21 of the accessory by means of the clock signal of the specified clock width transmitted from the camera main body Bo. And even though plural accessories are attached to the camera main body Bo at the same time, the datum of only the specified accessory is inputted/outputted, and the camera main body Bo is made to be able to directly input/output the datum to each accessory. Thus, when the transfer of the signal between the camera main body Bo and each accessory is executed, the number of steps between the camera main body Bo and each accessory is decreased, so that the transmitting speed is improved.</p> |
