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Autopen : ウィキペディア英語版
Autopen

An autopen or signing machine is a device used for the automatic signing of a signature. The reason for employing an autopen is typically as a compromise between making every signature by hand and printing a reproduction of the signature, perceived as impersonal by the recipient.
The early autopens used a plastic ''matrix'' of the original signature which is a channel cut into an engraved plate in the shape of a wheel. A stylus driven by an electric motor followed the x and y axis of a profile or shape engraved in the plate (which is why it is called a ''matrix''). The stylus is mechanically connected to an arm which can hold almost any common writing instrument, so the favourite pen and ink can be used to suggest authenticity. The Autopen signature is made with even pressure (and indentation in the paper), which is how these machines are distinguishable from original handwriting where the pressure varies.〔(【引用サイトリンク】title= The Autopen )
Modern day autopens use a signature smart card or USB flash drive to store signatures and phrases instead of the plastic matrices. In addition, certain models can replicate entire pages of writing once a custom font has been created in a user's handwriting.
==History==
The first signature duplicating machines were developed by an Englishman named John Isaac Hawkins. Hawkins received a United States patent for his device in 1803. In 1804, Thomas Jefferson began using the device extensively. This early device was known at the time as a polygraph (an abstracted version of the pantograph) and bears little resemblance to today's autopens in design or operation. The autopen called the Robot Pen was developed in the 1930s, and became commercially available in 1937 (used as a storage unit device, similar in principle to how vinyl records store information) to record a signer's signature. A small segment of the record could be removed and stored elsewhere to prevent misuse. The machine would then be able to mass-produce a template signature when needed.
While the Robot Pen was commercially available, the first commercially successful autopen was developed by Robert M. De Shazo Jr. in 1942. De Shazo developed the technology that became the modern autopen in reference to a Request For Quote (RFQ) from the Navy, and in 1942, received an order for the machine from the Secretary Of The Navy. This was the beginning of a significant market in government for the autopen, as the machines soon ended up in the offices of members of Congress, the Senate and the Executive branches. At one point, De Shazo estimated there were more than 500 autopens in use in Washington, D.C.
In 2005, the U.S. Justice Department issued a legal opinion upholding the right of the U.S. President to sign bills by autopen.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Autopen」の詳細全文を読む



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