Matches 251 - 300 out of 300 < 1 2 3 4 5 6


Match Document Document Title
4473848 Light pick-up device  
A light pick-up device for transparency and/or opaque scanning in either a drum or flat bed scanning device consists of a hollow body, which exhibits a light entry opening for the modulated light...
4471384 Optical reader  
An optical reader which comprises: at least one yellow LED array as a light source for lighting original material; an optical lens or fibers for guiding the light reflected from the original...
4454547 Raster output scanner having a full width electro-mechanical modulator  
An output scanner for producing images in response to image signals, the scanner having a high intensity illumination lamp, fiber optic bundle for converting the light output of the lamp to a...
4408230 Photosensor array device  
A photosensor array device is adapted to detect an image of a pattern described on a sending original. The device comprises an optical base having its bottom surface close to the original, a...
4402017 Optical scanning system utilizing light-emitting diodes  
A compact optical scanning system is provided to scan the information content of a document and generate electrical signals representative of the information content thereof. A light emitting...
4390903 Imaging system and method with mid-tone enhancement  
Laser imaging system and method in which mid-tones are enhanced to eliminate undesired growth in halftone and text images. The pulses which control the modulation of the writing beam are each...
4317137 Optical scan head and printer  
An optical scan head for reading and recording on a surface provides a plurality of light emitting diodes positioned in the form of a linear array for operating on an area of the surface of a...
4307409 Multi-aperture, feedback system for a laser scanner  
A beam feedback synchronization system for optical sweeping apparatuses is disclosed. The system includes a multi-faceted rotating reflection mirror which acts on a collimated light beam such as a...
4257071 Apparatus for digitizing optical images  
A linear array of optical sensing elements is moved transversely to the relative motion of an optical image such that each element can sense the optical density of pixels over which is passes, and...
4220978 Electro-optical document reader  
The disclosure is of apparatus including a duct-like light guide having an inlet end and an outlet end, light source means at the inlet end, a document at the outlet end, an optical reading system...
4117518 Ink drop facsimile system  
A facsimile transmitter and a facsimile receiver are combined into a common assembly having a single endless band which is driven at a constant velocity to scan an image of an advancing document...
4097904 Optical read head  
A read head for scanning the image information on an original paper, having an optical fiber assembly having a plurality of light emission fibers for emitting a light beam onto the original paper...
4075664 Facsimile scanning device  
A linear scanning device for a facsimile system comprises a carrier which carries a write-head and a read-head, mounted on a belt which is moved in both directions by a pulse motor. Said read-head...
4065792 Facsimile system  
Disclosed is an improvement over a facsimile transmitter apparatus of the type in which a scanning system disposed within a transparent cylinder scans a subject copy wrapped around the cylinder,...
4015077 Facsimile transmitter having improved response  
A facsimile transmitter detects dark-light variations in an illuminated document by means of a photodetector. Fiber optics form an optical path from the illuminating means to the document and from...
4010364 Optical scanning system  
A document to be scanned is placed on a fixed transparent cylindrical platen and a mirror is totatable about the axis of the platen. A linear or single line cathode ray tube is fixed in position...
4002829 Autosynchronous optical scanning and recording laser system with fiber optic light detection  
Apparatus and methods for making displays, printing plates, electrical circuit boards, and generally reproductions of originals in reduced, enlarged or full size comprising generating a collimated...
4001495 Devices for the copying of images by sequential sweeping  
An optical assembly for a stencil making device employed for scanning an original document to provide a light image of indicia thereon to a photomultiplier tube which converts the light image into...
3956587 Facsimile apparatus  
A facsimile transceiver comprising a document/copy receiving drum, a motor for rotation of the drum about the drum axis and a read/write head mounted on a rotating shaft for linear movement in a...
3941927 Optical fiber deflection device  
An optical fiber deflection device is described in which an electrical transducer is used for deflecting the fiber in response to an electrical control signal in order to deflect a light beam...
3924061 Facsimile transceiver utilizing single light source  
A facsimile transmitter and receiver, or transceiver, is disclosed in which a common scanning light source is employed to scan the information-containing document in the transmission mode and to...
3899035 Facsimile transmitting receiving system with fibres having a conductive coating  
Facsimile transmitting and receiving system, comprising a large number of aligned styli which each comprise a glass fibre surrounded by an electrically conducting coating and serve to produce...
3872248 FACSIMILE APPARATUS  
A facsimile transceiver comprising a document/copy receiving drum, a motor for rotation of the drum about the drum axis and a read/write head having a fiber optic scanner mounted on a rotating...
3860747 FACSIMILE TRANSMITTER-RECEIVER COMPRISING LIGHT SOURCE AND PHOTOELECTRIC DEVICE ALIGNED WITH AXIS OF ROTATION OF PHOTO-SENSING AND RECORDING DISK  
An original picture and a recording paper are fed in side by side relation along the axis of a photo-sensing and recording rotatable disk with a predetermined gap left between the sheet-like...
3860753 IMAGE RECEIVING AND IMAGE TRANSMITTING FIBER OPTICS CATHODE RAY TUBE FOR FACSIMILE TRANSCEIVER  
An electron-optical cathode ray tube has a face plate comprising a fiber plate to achieve image receiving and a clear glass plate to achieve image transmission, the glass plate being positioned at...
3845239 COMBINED FACSIMILE RECEIVING AND SENDING UNIT  
A transceiver device operable to a transmitting mode for sending to a remote receiver data signals corresponding to information recorded on a document and to a receiving mode for receiving data...
3840701 FIBRE OPTICS ELEMENT FOR THE IMAGE TRANSMISSION SYSTEM OF A FACSIMILE  
Facsimile apparatus comprising a bundle of first and second groups of optical fibers. The first group of optical fibers has one end thereof cut in a first plane skewed at a first angle relative to...
3821732 APPARATUS AND METHOD FOR PRODUCING COMMUTATING AND TRANSMITTING OPTICAL AND ELECTRONIC SIGNALS  
3786181 OPTICAL LINE SCANNER AND FACSIMILE SYSTEM  
To scan a long line of printed information, a fiber-optic line-to-rectangle converter is configured at one end to divide a long scan line into a plurality of shorter segments which are arranged at...
3775559 APERTURE DESIGNS FOR FACSIMILE SCANNING APPARATUS  
Definite limits on bandwidth and transmission time in facsimile communication lead to a system designed to have the lowest acceptable resolution, but with the best possible Modulation Transfer...
3732367 APPARATUS FOR FACSIMILE USING A PRISM-SHAPED FIBER OPTICS  
A read-in and read-out apparatus for a facsimile system which comprises a cathode ray tube having a prism-shaped fiber optics faceplate, feeding means for advancing an information medium closely...
3726998 LIGHT PIPE ILLUMINATED SCAN READER  
A facsimile scanning system having an endless belt transport for the read heads illuminates the scan line by means of an elongated linear lamp of uniform output and a flat plate light pipe thereby...
3726994 AUTOMATIC ROUTING SYSTEM  
A system for effecting the automatic routing of metal from the non-printing areas of a printing press plate comprising preparing the art work negative to accord the portions thereof corresponding...
3609226 DATA COMPACTOR  
A data encoder which compacts the data necessary for recording the lines on a document by scanning a set of contiguous regions of equal area. The data compactor examines first a region group of...
3609233 ELECTRON TUBE FACSIMILE APPARATUS  
A cathode-ray tube is provided with a light-transmitting face comprised of a rectangular strip of optical fibers having a long and narrow light-emitting end across which a manuscript is moved for...
3588514 GRAPHIC SCANNING APPARATUS WITH FLEXIBLE OPTICAL FIBRES  
3562426 FACSIMILE SCANNER WITH ROTATING OPTICAL FIBER AND OPTICAL CORRECTION  
Facsimile apparatus wherein a mark on a flat document is correlated with an electrical signal through an optical link comprising essentially a wide angle objective lens projecting an image from...
3553366 FACSIMILE FIBER OPTICS SCANNER ASSEMBLY  
An optical scanner assembly having an endless movable timing belt assembly and a plurality of optical scanner units mounted on the timing belt assembly for movement therewith in scanning copy...
3470319 FLYING SPOT SCANNER EMPLOYING FIBER OPTICS  
3467774 SCANNER EMPLOYING INTERLEAVED LIGHT CONDUCTING AND LIGHT DETECTING OPTICAL FIBERS  
3370504 High speed facsimile method and apparatus  
3318996 Document copying device having parallel signal transmission parts  
3270132 Optical scanning device utilizing optical fibers disposed in a helical array  
3264407 Facsimile scanning apparatus  
3256388 High specific intensity light source  
3249692 Reader employing optical fibers  
3192391 Photosensitive fiber optic scanner  
3167612 Electro-optical scanning apparatus utilizing an optical transmission link  
3036153 Electro-optical scanning system  
2807663 Electronic character selecting and/or printing apparatus  

Matches 251 - 300 out of 300 < 1 2 3 4 5 6