| 摘要 |
On the plastics strip can be fixed bar codes/guide sheets which, in the roll film camera with preset coding and three blip levels, giving the required automatic recording of documents so that they may be easily found in a reading appts. A roll film camera, which has the capacity to film documents of unlimited length, can be provided with a roll film holder fixed at right-angles in front of it, and a receiving spool which removes the filmed plastics strip. For searching amongst plastified original documents, the reading appts. can be arranged so that the plastics rollers can be easily wound forwards and backwards, using an electric motor or by hand using a crank. |
