| Patents for H04N 1 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof (142,802) |
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| 03/15/1977 | US4012584 Apparatus for making a screen reproduction of an image |
| 03/15/1977 | US4012292 Electrical |
| 03/08/1977 | US4011399 Photographic image pick-up and coding system of run-length type |
| 03/01/1977 | US4010364 Optical scanning system |
| 02/22/1977 | US4009388 Arrangement for extending photosensor array resolution |
| 02/22/1977 | US4009332 Memory management system for an ink jet copier |
| 02/22/1977 | US4009331 Still picture program video recording composing and playback method and system |
| 02/15/1977 | US4007684 Ink liquid warmer for ink jet system printer |
| 02/08/1977 | US4007489 Method and apparatus for creating color copies of an original by an electrostatic charging process |
| 02/08/1977 | US4007464 Ink jet nozzle |
| 02/08/1977 | US4007442 Intermixed line heights and blank line formation in a buffered printer |
| 02/08/1977 | US4007362 Method of information processing for the production of a printing form and a system for performing said method |
| 02/01/1977 | US4006299 Flat field scanning system |
| 02/01/1977 | US4005933 Copying and telecopying device |
| 01/25/1977 | US4005475 Method for improving sharpness when recording half-tone pictures by modulating a sharpness signal |
| 01/25/1977 | US4005440 Printing head for ink jet printer |
| 01/25/1977 | US4005435 Liquid jet droplet generator |
| 01/25/1977 | US4005411 Compression of gray scale imagery to less than one bit per picture element |
| 01/25/1977 | US4005285 Optical system for extending photosensor array resolution |
| 01/25/1977 | US4005257 Facsimile transceiver |
| 01/18/1977 | US4004079 Method and apparatus for dual resolution photographic reproduction of line and continuous tone graphic materials |
| 01/18/1977 | US4003651 System for recording images received by facsimile |
| 01/11/1977 | US4003058 Color image data recorder |
| 01/11/1977 | US4002830 Apparatus for compensating for optical error in a rotative mirror |
| 01/11/1977 | US4002829 Autosynchronous optical scanning and recording laser system with fiber optic light detection |
| 01/04/1977 | US4001500 Amplifier for use in a document scanning system |
| 01/04/1977 | US4001492 Half tone reproducing process in facsimile |
| 12/28/1976 | US4000510 System for storage and retrieval of video information on a cyclical storage device |
| 12/28/1976 | US4000495 System for recording information on a photosensitive material |
| 12/28/1976 | US4000492 Metal film recording media for laser writing |
| 12/28/1976 | US4000371 Facsimile transmission method and system |
| 12/28/1976 | US4000368 Nonuniform clock generator for document reproduction apparatus |
| 12/28/1976 | US4000365 Apparatus for detecting a poor facsimile transmission |
| 12/21/1976 | US3999188 Ink-jet recording apparatus |
| 12/21/1976 | US3999168 Intermixed pitches in a buffered printer |
| 12/21/1976 | US3999010 Light beam scanning system |
| 12/14/1976 | US3997911 Screened image reproduction |
| 12/14/1976 | US3997903 Electrographical recording system |
| 12/14/1976 | US3997828 Copy-repeater arrangement and method of adjusting the same |
| 12/14/1976 | US3997722 Facsimile reproduction system |
| 12/14/1976 | US3997720 Optical picture recording system |
| 12/07/1976 | USRE29067 Compact flatbed page scanner |
| 12/07/1976 | US3996563 Data processing apparatus |
| 11/30/1976 | US3995312 Color dot display |
| 11/30/1976 | US3995282 Device for selectively transferring spots of liquid ink |
| 11/30/1976 | US3995279 Liquid jet recorder |
| 11/30/1976 | US3995159 Thermal imaging systems |
| 11/30/1976 | US3995110 Flying spot scanner with plural lens correction |
| 11/30/1976 | US3995106 Information transmission system |
| 11/30/1976 | US3994062 Method for manufacturing an electrode set for use in the recording on a record carrier |
| 11/23/1976 | US3993865 Scanning systems |
| 11/23/1976 | US3993862 Data compression |
| 11/16/1976 | US3992572 System for coding two-dimensional information |
| 11/09/1976 | US3991267 Method for producing a compressed digital representation of a visible image |
| 11/09/1976 | US3991265 Signal editing and processing apparatus |
| 11/09/1976 | US3990694 Facsimile transceiving apparatus |
| 11/02/1976 | US3990048 Carrier detect circuit |
| 11/02/1976 | US3989131 Electrothermal printing unit |
| 10/26/1976 | US3988740 Apparatus for depositing liquid droplets on a moving receiving surface |
| 10/26/1976 | US3988739 Input device for scanning documents with magnetic bubble printing |
| 10/26/1976 | US3988602 Method and apparatus for enhancing data |
| 10/26/1976 | US3988569 Thermal printhead with memory |
| 10/26/1976 | US3988537 Illuminating and transmitting system |
| 10/26/1976 | US3988528 Signal transmission system for transmitting a plurality of information signals through a plurality of transmission channels |
| 10/19/1976 | US3987492 Liquid jet recorder |
| 10/19/1976 | US3987413 Detection system |
| 10/19/1976 | US3987412 Method and apparatus for image data compression utilizing boundary following of the exterior and interior borders of objects |
| 10/12/1976 | US3986189 Dielectrographic recording apparatus and method |
| 10/05/1976 | US3984844 Thermal recording apparatus |
| 10/05/1976 | US3984833 Apparatus for encoding extended run-length codes |
| 10/05/1976 | US3984629 Flying spot scanner unaffected by ambient light |
| 10/05/1976 | US3984171 Linear scan system |
| 10/05/1976 | US3983801 High speed printer |
| 09/28/1976 | US3983321 Switching circuit utilizing a base storage characteristics of a transistor for use in a facsimile transceiver and the like |
| 09/28/1976 | US3983319 Electronic screening for image reproduction |
| 09/28/1976 | US3983315 Electromagnetic counter circuit |
| 09/28/1976 | US3982753 Combined backstop and brake |
| 09/14/1976 | US3981019 Charging signal supply circuit for ink jet system printer |
| 09/14/1976 | US3980809 Encoding logic for reduced bandwidth pictorial data transmission system |
| 09/14/1976 | US3980405 Cathode-ray tube picture projection apparatus |
| 09/07/1976 | US3979760 Electrostatic recording apparatus with auxiliary electrodes |
| 09/07/1976 | US3979759 Process and apparatus for electrographic recording utilizing contact liquid |
| 09/07/1976 | US3979758 Electrostatic head with toner attracting plates |
| 09/07/1976 | US3979757 Electrostatic display system with toner applied to head |
| 09/07/1976 | US3979756 Method and apparatus for merging satellites in an ink jet printing system |
| 08/31/1976 | US3978284 Receiver for use in a multi-level code transmission system |
| 08/31/1976 | US3977784 Condenser device for lighting an original |
| 08/24/1976 | US3977010 Dual sensor for multi-nozzle ink jet |
| 08/24/1976 | US3977009 Information recording with an organic compound capable of assuming two or more convertible stable aggregation states |
| 08/24/1976 | US3977007 Gray tone generation |
| 08/24/1976 | US3976982 Apparatus for image manipulation |
| 08/24/1976 | US3976833 Amplifier back-ground control apparatus for use in a document scanning system |
| 08/17/1976 | US3975761 Method and arrangement for the avoidance of errors during the reproduction of an image pattern |
| 08/17/1976 | US3975741 Charge electrode for ink jet |
| 08/17/1976 | US3975590 Facsimile copy medium magazine |
| 08/10/1976 | US3974507 Conversion of stripe-geometry junction laser emission to a spherical wavefront |
| 08/10/1976 | US3974326 Facsimile communication system |
| 08/10/1976 | US3974325 Interpolator for facsimile bandwidth compression |
| 08/10/1976 | US3973825 Flat field scanning system |
| 08/03/1976 | US3973264 Stylus assembly for facsimile receiver |