R
Richard Thomas Plunkett
Publications - 78
Citations - 1065
Richard Thomas Plunkett is an academic researcher. The author has contributed to research in topics: Controller (computing) & Nozzle. The author has an hindex of 20, co-authored 78 publications receiving 1065 citations.
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Patent
Printhead module for expelling ink from nozzles in groups, alternately, starting at outside nozzles of each group
Mark Jackson Pulver,Simon Robert Walmsley,John Robert Sheahan,Michael John Webb,Richard Thomas Plunkett,Kia Silverbrook +5 more
TL;DR: In this paper, a printhead module including at least one row that comprises a plurality of sets of n adjacent nozzles, each of which is configured to expel ink in response to a fire signal is defined.
Patent
On-chip storage of secret information as inverse pair
TL;DR: In this article, an integrated circuit comprising a processor and memory storing: secret information accessible via a first address, the secret information comprising a string of bit values; an inverse-string accessible via another address, wherein each of the bit values in the inverse string is the logical inverse of a bit value at a corresponding bit position in the Secret Information.
Patent
Timeslot arbitration scheme
TL;DR: In this paper, the authors propose a method for arbitrating between a plurality of access requests issued in relation to a resource by plurality of requestors, wherein each request can be one of at least two types, a first of the types having a higher latency associated with its performance than at least some of the other types.
Patent
Dead nozzle compensation
Simon Robert Walmsley,Pulver Mark Jackson,Richard Thomas Plunkett,Gary Shipton,Kia Silverbrook,Paul Lapstun +5 more
TL;DR: In this article, a printer controller for supplying dot data to a printhead in a predetermined order is presented, where the printhead comprising at least first and second printhead modules, each of which comprises a plurality of printing nozzles and being disposed adjacent each other such that a printing width of the print head is wider than a print width of either of the printed nozzle modules, is at least partially compensated for.
Patent
Printhead module having a communication input for data and control
Kia Silverbrook,Mark Jackson Pulver,John Robert Sheahan,Simon Robert Walmsley,Richard Thomas Plunkett,Michael John Webb +5 more
TL;DR: In this article, a printhead module for receiving dot data to be printed using at least two different inks and control data for controlling printing of the dot data, the print head module including a communication input for receiving data for the at least 2 colors and the control data.