Selective cutting (e.g. – punching) – With means to initiate tool selection by sensing pattern... – Pattern indicia carried by work
Reexamination Certificate
2006-04-11
2006-04-11
Eisen, Alexander (Department: 2674)
Selective cutting (e.g., punching)
With means to initiate tool selection by sensing pattern...
Pattern indicia carried by work
C345S204000, C345S211000
Reexamination Certificate
active
07025252
ABSTRACT:
The present invention relates to an apparatus and method for driving a PDP (plasma display panel). An image signal processor of the apparatus performs gamma correction and error diffusion processes of input image signals. A quantization error compensator compensates quantization errors with respect to an automatic power control (APC) level of image data output from the image signal processor. An error diffuser sets part of the image data output from the quantization error compensator as display errors and diffuses the display errors to peripheral pixels. A memory control and address driver generates sub-field and address data corresponding to image data that have undergone error diffusion by the error diffuser, and applies the data to the PDP. An APC and sustain/scan pulse generator generates a sub-field arrangement structure according to the APC level, generates control signals based on the generated sub-field arrangement, and applies the control signals to the PDP.
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“Final Draft International Standard”, Project No. 47C/61988-1/Ed.1; Plasma Display Panels—Part 1: Terminology and letter symbols, published by International Electrotechnical Commission, IEC. in 2003, and Appendix A—Description of Technology, Annex B—Relationship Between Voltage Terms And Discharge Characteristics; Annex C—Gaps and Annex D—Manufacturing.
Bushnell , Esq. Robert E.
Dinh Duc Q
Eisen Alexander
Samsung SDI & Co., Ltd.
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