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A vidicon tube is a video camera tube design in which the target material is a photoconductor. The vidicon was developed in 1950 at RCA by P. K. Weimer, S. V. Forgue and R. R. Goodrich as a simple alternative to the structurally and electrically complex image orthicon.
A Farnsworth image dissector tube. An image dissector, also called a dissector tube, is a video camera tube in which photocathode emissions create an "electron image" which is then swept up, down and across an anode to produce an electrical signal representing the visual image.
PDF Studio is a commercial desktop application from Qoppa Software to create, convert, review, annotate, and edit Portable Document Format (PDF) documents. System requirements [ edit ]
A PDF creator and virtual PDF printer for Microsoft Windows PDF-XChange: Proprietary: Yes: PDF Tools allows creation of PDFs from many types of source input (images, scans, etc.). The PDF-XChange print driver allows printing directly to a PDF. A "lite" version of the print driver is free for non-commercial (home and academic) use. PrimoPDF ...
G.E. ceased production of its 3 x I.O., the type PC-25 in 1966. Meanwhile, the company had brought out, in 1965, a 4-tube vidicon camera, the GE PE-24, for film scanner use. [33] [34] This was followed by an all-Plumbicon 4-tube camera, the type PE250, which used conventional relay optics, rather than the prism optics of some other colour ...
Since version 10.0.0 an added toolbox is present as well. Some features of the software include, but are not limited to: [5] [6] Merge multiple PDF into one file; Rotating, extracting, inserting pages; Integrated preview for PDF editing; PDF encryption, decryption and signing; Change PDF information (author, title, etc.) Compress and shrink PDF ...
ABBYY FineReader PDF is an optical character recognition (OCR) application developed by ABBYY. [ 2 ] [ 3 ] First released in 1993, the program runs on Microsoft Windows ( Windows 7 or later) and Apple macOS (10.12 Sierra or later).
The Windows version allows annotating and saving unfinished PDF forms, FDF import/export, converting to text, highlighting, and drawing. Until version 9.7.2 Foxit Reader had PDF creation features, including a "Foxit PDF Printer" for Windows, allowing all programs to "print" output to PDF; they were removed in May 2020 from later versions. [5]