| Patent Number |
Title Of Patent |
Date Issued |
| 4354196 |
Laser engraving system with massive base table and synchronization controls |
October 12, 1982 |
| Laser engraving system suitable for use in the production of artwork for printed circuit boards. The system includes a massive base table to reduce vibration and thermally induced variations, and modulation of the writing beam is controlled by a reference signal generated by a non-linear |
| 4312590 |
Optical scanner and system for laser beam exposure of photo surfaces |
January 26, 1982 |
| Optical scanning apparatus including a rotating pyramidal mirror scanning wheel with reflector segments for deflecting a laser beam into and away from a doublet mirror roof reflector associated with said scanning wheel. The scanning wheel introduces components of vertical and horizontal |
| 4240119 |
Computerized laser engraving system and method |
December 16, 1980 |
| System and method utilizing a computer and a laser platemaker for the reproduction of information on photosensitive surfaces, as in the production of printing plates. The platemaker includes a reading beam for scanning data such as text, logotypes, line art and halftones from a read |
| 4233636 |
Optical read-write system with electronically variable image size |
November 11, 1980 |
| Disclosed is an optical read-write system including a first laser scanner for linearly scanning an object and generating a digital signal for the line scan. The digital signal is stored in a buffer at a read clock rate which is correlated to the scan of the first laser scanner. The digit |
| 4211399 |
Multiple size plate registration apparatus and method |
July 8, 1980 |
| Multiple size plate registration system having a platen with a top planar surface. Channels are formed in the platen and open through the top planar surface. Parallel grooves are formed in the platen spaced transversely of the platen, extending longitudinally of the platen and opening th |
| 4149798 |
Electrophotographic apparatus and method for producing printing masters |
April 17, 1979 |
| An electrophotographic apparatus for producing printing masters utilizing modulated laser light as the exposure source and a continuous process for producing such printing masters involving the steps of plate conveyance, synchronous charging and exposure, and electrostatic development an |
| 4131029 |
Gimballed coupling for lead screw and nut assembly |
December 26, 1978 |
| Gimballed coupling for use with a lead screw and nut assembly having a housing with the nut mounted in the housing and the nut threadedly engaging the lead screw. A transfer plate is provided. A thrust bearing assembly is carried by the transfer plate. First and second bearing member |
| 4081842 |
Facsimile system |
March 28, 1978 |
| Disclosed is a facsimile system having a transmitter for optically scanning input copy to produce modulated electrical signals to be transmitted to a receiver. The receiver responsively controls output optical scanning to form output copy as a reproduction of the input copy. Signal proce |
| 3989938 |
Interferometer spectrometer for discrete frequency analysis of emission or absorption spectra an |
November 2, 1976 |
| An interference spectrometer which analyzes an unknown light beam for determining the presence and amount of particular frequency by passing the light beam through an interferometer with a moving mirror, which transforms the beam into a first signal which represents the inverse Fouri |
| 3936193 |
Multiplex interferometer |
February 3, 1976 |
| An interferometer for analyzing electromagnetic frequency spectra including a movable mirror supported on two air bearings such that the center of support of the bearings continuously coincides with the center of gravity of the movable mirror during the motion of the mirror. The air bear |
