1
Insler Julius R, Leslie Allen R, Vigneri Ronald J: Laser printing system. Saxon, August 7, 1973: US3751587 (42 worldwide citation)

A modulated laser beam developed in a non-contacting printing arrangement sweeps across an ink bearing carrier disposed adjacent a printing surface, e.g., an untreated paper sheet. In successive line sweeps, each slightly displaced from the prior sweep line, the incident laser beam selectively trans ...


2
William F Hug, Leonard C De Benedictis: Modular laser printing system. Xerox Corporation, Irving Keschner, October 28, 1980: US04230902 (29 worldwide citation)

A laser printing system having a plurality of modules is provided wherein one of the modules comprises a laser, modulator and part of the system optics, the light output from the module being directed to a rotating scanner. The components in the module are secured to a common base member to minimize ...


3
Martin Byron D, Ristad Clarence H: Laser printer. International Business Machines Corporation, Gugger Gerald R, April 9, 1974: US3803637 (25 worldwide citation)

A laser printing system wherein man readable alphanumeric characters and machine readable binary code marks are laser marked on card connector housings. A scanning galvanometer and mirror, lens, and wire mask print heads are provided for rendering the laser beam effective to print in accordance with ...


4
Gerhard Hausmann, Hubert Mugrauer, Helmut Naeser: Laser printing system with a solvent vapor fixing station and adaptable for either multicolor or verso printing. Siemens Aktiengesellschaft, Hill Van Santen Steadman & Simpson, September 2, 1986: US04609279 (24 worldwide citation)

A laser printing system for multi-color and verso printing is formed of a plurality of units arranged in series which are simultaneously operated. A recording medium emerging from a paper exit region of a preceding unit is supplied to a paper entry region of the following unit. A switchable deflecti ...


5
Jeffrey L Trask, Gary L Vondran Jr: Color boundary enhancement in a multi-color electrostatic printer. Hewlett Packard Company, October 12, 1993: US05252995 (21 worldwide citation)

A multi-color, electrostatic, laser printing system employs a method for enhancing color representations at boundaries of pixels with different colors. The system employs a charged electrostatic surface that is selectively discharged by application of a modulated laser beam. The system performs the ...


6
David Kessler, Sanwal P Sarraf: Printing system for printing an image with lasers emitting diverging laser beams. Eastman Kodak Company, Dennis R Arndt, December 12, 1995: US05475416 (20 worldwide citation)

A laser printing system includes plurality of N channel where each channels includes a laser diode forming a laser light beam which is shaped by a beam shaper to correct for divergence differences between the lasers of the N channels. The plurality of N output laser light beams from the plurality of ...


7
Koji Wada: Image formation device with binary/halftone pixel determination. NEC Corporation, Ostrolenk Faber Gerb & Soffen, April 1, 1997: US05617216 (16 worldwide citation)

An image formation device includes a matrix formation circuit, a pixel identification circuit, a binarization processing circuit, a halftone processing circuit, and a synthesizing circuit. The matrix formation circuit forms a data matrix window successively shifting. The pixel identification circuit ...


8
Kent D Vincent, R Stanley Williams, Xiao an Zhang: Laser printing with rewritable media. Hewlett Packard Development Company, December 30, 2003: US06670981 (16 worldwide citation)

A laser printing system for imaging using plain paper, rewritable media, or both. The rewritable media employs a molecular colorant. The rewritable media is brought into contact with an electrical charge deposited on the surface of a photoconductor drum or belt. Field generated cause the molecules o ...


9
John A Lucero, John A Carlson, Harry H Bohling, Richard V Johnson: Electronic alignment of laser beam utilized in a laser scanning system. Xerox Corporation, Franklyn C Weiss, December 29, 1981: US04308544 (12 worldwide citation)

A technique for adjusting the laser beam in a laser printing system in a simplified, inexpensive manner. The system includes an acousto-optic modulator having a transducer associated therewith. The electronic video stream is mixed with the signal generated by the carrier oscillator, the mixer output ...


10
Richard G Egan: Color laser printer with improved efficiency. Polaroid Corporation, Edward S Roman, December 31, 1985: US04562462 (9 worldwide citation)

A multispectral laser printing system in which beam splitting and beam recombination are accomplished by light refracting optical elements instead of beam splitters in order to materially improve efficiency. In one embodiment such beam splitting and recombination can be achieved by a single light re ...