Multi-spot modulator using a laser diode

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO

4577932

SERIAL NO

06608222

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Abstract

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A multi-spot light modulator using a laser diode is disclosed in which a single light pulse from the laser diode generates a multi-spot image of a data pattern, each spot corresponding to an active bit of the data pattern. The ability of a pulsed laser diode to generate a narrow light pulse is used to image an acoustic wave corresponding to the data pattern without the normal degradation in resolution caused by the motion of the acoustic wave.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
CREO PRODUCTS INC.BURNABY BRITISH COLUMBIA10

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gelbart, Daniel Burnaby, CA 175 3521

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (1)
* 4390875 Message character image projection control system 7 1982
 
XEROX CORPORATION (1)
* 4421387 Extended thin film light modulator/scanner 9 1981
* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (2)
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KODAK GRAPHIC COMMUNICATIONS CANADA COMPANY (1)
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KODAK CANADA ULC (1)
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FLORIDA ATLANTIC UNIVERSITY (1)
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MASSACHUSETTS INSTITUTE OF TECHNOLOGY (1)
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KABUSHIKI KAISHA TOSHIBA (1)
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TENCOR INSTRUMENTS, A CORP. OF CA (1)
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BARCO GRAPHICS, NV (1)
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CARESTREAM HEALTH, INC. (1)
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PNC BANK, NATIONAL ASSOCIATION (1)
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6956878 Method and apparatus for reducing laser speckle using polarization averaging 35 2000
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6865346 Fiber optic transceiver 6 2001
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6829092 Blazed grating light valve 13 2001
6707591 Angled illumination for a single order light modulator based projection system 4 2001
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6782205 Method and apparatus for dynamic equalization in wavelength division multiplexing 70 2002
6991953 Microelectronic mechanical system and methods 12 2002
6767751 Integrated driver process flow 7 2002
6728023 Optical device arrays with optimized image resolution 28 2002
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CREO IL, LTD. (1)
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PRESSTEK, LLC. (4)
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CREO SRL (1)
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ROBERT BOSCH COMPANY LIMITED (1)
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EASTMAN KODAK COMPANY (1)
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CARL ZEISS SMT GMBH (2)
8169595 Optical apparatus and method for modifying the imaging behavior of such apparatus 1 2009
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TEXAS INSTRUMENTS INCORPORATED (2)
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Technology Center (1)
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Lasertape Systems, Inc. (1)
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CASIO COMPUTER CO., LTD. (1)
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ASML HOLDING N.V. (2)
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* Cited By Examiner