| 摘要 |
<p>A digital recorder for simultaneously printing and punching digital data, such as vehicle traffic information, on the same tape is described. The recorder employs an electronic read-write memory including a digital counter between a data signal input and a step motor which rotates a punch cam drum and a print wheel on the same shaft. The punch cam drum includes a plurality of cam discs having cam projections and recesses arranged in a binary code to provide a binary coded decimal readout for recording the digital data on punched tape. As a result of such memory, the digital information can be recorded at a slower rate and at a later time than it is received. A pressure sensitive printing tape is employed for recording both punched and printed information. A second motor moves a punch head to cause punch pins to engage the punch cams and to punch binary coded holes in the tape. Such punch head also has a print anvil resiliently mounted thereon for causing the tape to strike the print wheel and print numbers or characters thereon corresponding to the binary coded holes punched therein.</p> |
