| 摘要 |
PURPOSE:To make it possible to perform good quality recording, by applying temp. compensation to the feed length of a recording body. CONSTITUTION:The number of rotation is stepwise controlled corresponding to temp. so as to be capable of clearing a preset predetermined tolerant error. A temp. sensor 12 is arranged in the vicinity of a recording body 16 and a feed roller 7 and the temp. signal from the sensor 12 is converted to a voltage signal by a temp./voltage converter circuit 13 while said voltage signal is converted to a digital signal by a D/A converter 14 to be inputted to a fre quency change-over device 15 and the output frequency of a PLL circuit 16 is controlled by the output signal from the frequency change-over device 15 to be sent to a motor control part 17. When temp. rises, the rotary speed of the motor 18 increases and a feed speed becomes high while, in the reverse case, said feed speed become slow and the temp. compensation of feed is continu ously performed. By this method, the difference between a recording length and a feed length can be eliminated and a good quality image is obtained. |
