Page 157 - DLIS006_INFORMATION SOURCES AND SERVICES
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Information Sources and Services




                    Notes          copied is scanned (“read”) at one location, converted to an electronic signal, and sent to a
                                   machine at another location where the signal is translated into an image and recorded. Sometimes
                                   known as telecopiers, these machines are a form of electronic mail because the machines can be
                                   in the same building or in different hemispheres of the world.
                                          Figure 7.8: A Facsimile Machine: The Exxon 2150 QWIP®. (Courtesy of Exxon
                                              Office Systems, a Division of Exxon Enterprises, Exxon Corporation)




























                                          Figure 7.9: A Facsimile Machine: The Exxon 2310 OVVIP. (Courtesy of Exxon
                                              Office Systems, a Division of Exxon Enterprises, Exxon Corporation)































                                   Telephone lines or satellites may serve as transmitters. With satellite communications facilities,
                                   it is possible to send facsimile copies from one location another for less than 20 cents a page,
                                   which is about one-tenth the cost of using telephone lines. The facsimile method of transmission




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