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  3. When an invention is made, the inventor has three possible courses of action open to him: he can give the invention to the world

When an invention is made, the inventor has three possible courses of action open to him: he can give the invention to the world

admin2012-10-11  47
问题     When an invention is made, the inventor has three possible courses of action open to him: he can give the invention to the world by publishing it, keep the idea secret, or (36)______ it.
    A granted patent is the result of a (37)______ struck between an inventor and the state, by which the inventor gets a limited period of (38)______ and publishes full details of his invention to the public after that period (39)______.
    Only in the most (40)______ circumstances is the life span of a patent extended to alter this normal process of events.
    A patent remains (41)______ public after it has terminated. Indeed, patent experts often advise anyone wishing to avoid the high cost of (42)______ a search through live patents that the one sure way of avoiding violation of any other inventor’s right is to steal and use a dead patent. Likewise, because publication of an idea in any other form permanently (43)______ further patents on that idea, it is traditionally safe to take ideas from other areas of print. (44)____________.
    Anyone closely involved in patents and inventions soon learns that most new ideas are, in fact, as old as the hills. (45)____________ that makes news and money. The basic patent for the theory of magnetic recording dates back to 1886.
(46)____________. Even the Volkswagen rear engine car was anticipated by a 1904 patent for a cart with the horse at the rear.

  
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答案Many of the original ideas behind television originate from the late 19th and early 20th century
解析 Many of the original ideas of television originate from the late 19th and early 20th century
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