A HISTORY OF EDISON'S WEST ORANGE LABORATORY 1887-1931

| Kategorie: Kniha  | Tento dokument chci!

Vydal: Neurčeno

Strana 263 z 567

Vámi hledaný text obsahuje tato stránku dokumentu který není autorem určen k veřejnému šíření.

Jak získat tento dokument?






Poznámky redaktora
" Edison commented that the 1896 phonograph was the result design changes rather than any patentable 23 technology. They were not "inventions" and hardly justified the label of "innovations. 23 machine) and was aimed the mass market. The new models 1896 were not radically new machines. was simple, sturdy, and solid. The spring motor machine was planned retail at about $40 (equal one years lease the old business . this way he eliminated many the operating problems which dogged the business machine.VII-15 reproducer amplify the sound. The spring motor phonograph had two main controls: a start-stop switch which activated the drive and screw to retard accelerate the speed rotation. The "perfected phonograph" was not the result flash of inspiration but the endpoint years basic research in . Edison had successfully reoriented the existing technology towards the user simplifying the machine's operation, the user needed only place the diaphragm the record. The cost manufacture had been reduced significantly using many components the old type, including the top plate and reproducer holder. There were still several adjusting screws on the reproducer assembly which were essential for precise reproduction. The all important musical reproducer had been developed 1893, and all that was left after this was to engineer commercial machine exploit the better fidelty gained improvements the diaphragm and wax compound