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"That’s an amazing invention, but who would ever want to use one of them?"
President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| 7126495 | Linear electric encoder with facing transmitter and receiver A capacitive motion encoder, for sensing the position of a moving object relative to a stationary object, includes at least one stationary element, coupled to the stationary object and a moving element, coupled to the moving object and in proximity to the stationary... | 10/24/2006 |
| 4335940 | Photocomposing machine The photocomposing machine has an integral keyboard and is especially useful in composing headlines and similar graphic material. A zoom lens is used to provide infinitely variable magnification of the characters. An especially simple manual zoom lens mag... | 06/22/1982 |
| 4305646 | Optical system for electro-optical scanner An electrophotographic typesetter including a scanning system having a light source, means for receiving said light from said source and rotationally scanning said light through a curvilinear scanning locus, means for receiving said curvilinear scanned li... | 12/15/1981 |
| 4232954 | Recording position adjuster A recording position defining apparatus includes a beam generator for generating a modulated beam in accordance with a signal to be recorded; a beam deflector; a beam detector fixed at a predetermined position; a clock signal generator for generating cloc... | 11/11/1980 |
| 4119977 | Photographic type composing machine The machine provides access to a relatively large number of different characters located on relatively large spinning discs or drums. The characters are located in arrays such as concentric rows on a disc. A plurality of lenses is mounted on a lens carria... | 10/10/1978 |
| 4097875 | Shaft encoder A shaft encoder of negligible moment of inertia. A grating provides a grid pattern of transmitted light. A mirror on the shaft sweeps the pattern. A lens focuses the sweep over a mask of like grid pattern. A photocell is activated by light transmitted thr... | 06/27/1978 |
| 4044363 | Laser photocomposition system and method Type characters are formed on a photo-sensitive surface by projecting a laser beam directly onto the photo-sensitive surface while moving the beam rapidly upwardly and downwardly, moving the beam steadily in a horizontal direction, and blanking the beam a... | 08/23/1977 |
| 3999010 | Light beam scanning system In a laser beam scanning system for recording information on a recording material employing a rotating mirror, a photodetector is provided to receive a laser beam in the start position of rasters. The photodetector supplies a synchronizing signal for maki... | 12/21/1976 |
| 3971044 | Electronic horizontal shifting and variable print width in a buffered printer In a buffered printer in which lines of graphic code bytes representing characters to be printed are successively advanced to a line buffer where they are sequentially sampled and the results used to modulate a laser beam undergoing successive scans of a ... | 07/20/1976 |
