Systems and methods are provided for error correction in a parallel RIP environment. The system comprises parallel RIPs and a serial RIP. The system receives a print job comprising logical pages, separates the print job into segments of logical pages, and distributes the segments to the parallel RIPs for interpretation and rasterization. The system further determines that a parallel RIP has encountered an error indicating that a segment includes multiple logical pages, and instructs the serial RIP to rasterize the segment responsive to detecting the error.

Claims

20 · 3 independent · depth 2

20 granted claims

›1.independentA print controller, comprising:nat least two parallel Rasterization Image Processors (RIPs);a serial RIP; anda control unit operable to receive a prin…+7

›2.↳ 1The print controller of claim 1, wherein:nthe error comprises a detection by the parallel RIP of an instruction in the segment that indicates the begi…d2

›3.↳ 1The print controller of claim 1, wherein:nthe control unit is further operable to transmit the segments to the serial RIP for interpretation, and to i…d2

›4.↳ 1The print controller of claim 1, wherein:nthe control unit is further operable to refrain from instructing the serial RIP to rasterize segments that d…d2

›5.↳ 1The print controller of claim 1, wherein:nthe control unit is further operable to halt transmission of subsequent segments to the parallel RIP that en…d2

›6.↳ 1The print controller of claim 1, wherein:nthe logical pages are encoded according to PostScript, andthe control unit is further operable to separate t…d2

›7.↳ 1The print controller of claim 1, wherein:nthe control unit is further operable to store entries in a sheet queue wherein each entry corresponds to a s…d2

›8.↳ 1The print controller of claim 1, wherein:nthe segments are associated with numbered logical pages,the print job further comprises page-level instructi…d2

›9.independentA method for a print controller that processes data for a print job, the method comprising:nreceiving a print job comprising a plurality of logical pa…+7

›10.↳ 9The method of claim 9, wherein:nthe error comprises a detection by the parallel RIP of an instruction in the segment that indicates the beginning of a…d2

›11.↳ 9The method of claim 9, further comprising:ntransmitting the segments to the serial RIP for interpretation; andinstructing the serial RIP to interpret …d2

›12.↳ 9The method of claim 9, further comprising:nrefraining from instructing the serial RIP to rasterize segments that do not include multiple logical pages…d2

›13.↳ 9The method of claim 9, further comprising:nhalting transmission of subsequent segments to the parallel RIP that encountered the error;flushing the seg…d2

›14.↳ 9The method of claim 9, wherein:nthe logical pages are encoded according to PostScript, and wherein the method further comprises:nseparating the logica…d2

›15.↳ 9The method of claim 9, further comprising:nstoring entries in a sheet queue wherein each entry corresponds to a segment;marking an entry in the sheet …d2

›16.↳ 9The method of claim 9, wherein:nthe segments are associated with numbered logical pages,the print job further comprises page-level instructions for pr…d2

›17.independentA non-transitory computer readable medium embodying programmed instructions which, when executed by a processor, are operable for performing a method …+3

Classifications

4 codes

IPC · International Patent Classification

Section G — Physics

G06K15/02

USPC · US Patent Classification

358/1.13358/1.9358/1.15

Claim changes

Soon

Coming soonHow the claims changed between publication and grant

See which claims were amended, added or cancelled during examination, with every added and removed word marked.

AmendedAddedCancelledUnchanged

The published claims of this patent are not paired with the granted ones in what we hold.

File wrapper

⤢ drag to zoom

USPTOApplicanthover for detail · click to open

Pendency

2.6 y

944 days filing → grant

Office actions

non-final + final

Responses

no RCE

Interviews

examiner interview summaries

Examiner

Andrew H Lam

art unit —

Law firm

Law firm · Log in to unlock

Citations: 9 back · 0 forward

See the full prosecution history — every USPTO and applicant action on this file, in order.

Term & fees

See the term timeline — pendency span, in-force span, the maintenance fees paid and both computed expiry dates.

Priority chain

1 priority documents

›Priority documents — 1

Type	Document	Date
related publication	US 20130021623 A1	24 Jan 2013

Validity challenges

See the validity challenges on record — reexaminations, IPRs and PGRs, with their institution decisions and outcomes.

Citations

See every patent this one cites and every patent that cites it back — publication, assignee, and how each one was found.