"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 5796104 | Pyroelectric center of mass imaging An apparatus and method for forming stabilized thermal images of thermally active objects in an objected scene using a pyroelectric detector and which does not require chopping or rapid panning. The invention includes focusing optics for focusing thermal ... | 08/18/1998 |
| 5514635 | Thermal writing surface and method for making the same A thermal writing device which changes color in response to induced temperature changes and a method for making such a device is disclosed. The thermal writing device includes a flexible substrate with low thermal mass for rapidly assimilating temperature... | 05/07/1996 |
| 5079627 | Videophone The present invention, the Videophone, is a compact audio/video device that is capable of both sending and receiving audio and visual signals, and is designed to be compatible with standard telephone equipment. The Videophone includes a modified speakerph... | 01/07/1992 |
| 5068739 | Method to image transparent media utilizing integrated scanning An electro-optical technique for the efficient scanning of many different forms of transparent media. The method utilizes synchronous closed loop scanning (integrated scanning). The subject is illuminated with a predetermined light source level. The sourc... | 11/26/1991 |
| 5047870 | Image reproduction system utilizing single operation scanning/reproducing A scanning imaging system in which the viewing and reproduction functions are integrated into a single scanning head. The scanning system is economical in terms of cost and function, and is useful in many applications such as modem, photocopier and even p... | 09/10/1991 |