发明名称 APPARATUS FOR PRODUCING TRANSPARENCIES FROM SIGNALS FROM A FACSIMILE READER
摘要 <p>APPARATUS FOR PRODUCING TRANSPARENCIES FROM SIGNALS FROM A FACSIMILE READER Apparatus for producing transparencies from signals from a facsimile reader, transmitted over a telephone line, includes a printing machine having a thermal print head and a drive circuit therefore, the signals from the telephone line fed to the drive circuit. A supply of transparency material having a layer of thermally sensitive transparent material is provided at the printing machine and the material is fed over the print head to produce opaque spots in the heat sensitive layer in accordance with the signals from the reader. The printer can be coupled to a projector, and a remote controlled indicating device can be provided for producing an indication at a particular position on the viewing screen for the projector, the indicator controlled by signals from the reader end. - i</p>
申请公布号 CA1095580(A) 申请公布日期 1981.02.10
申请号 CA19780310595 申请日期 1978.09.05
申请人 NORTHERN TELECOM LIMITED 发明人 PICKAR, KENNETH A.;BARAFF, DAVID R.
分类号 H04N1/23;(IPC1-7):41J3/20;04N1/22 主分类号 H04N1/23
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