Digital camera having parallel processing controller

• US 20060158519A1
• Filed: 01/11/2006
• Published: 07/20/2006
• Est. Priority Date: 07/15/1997
• Status: Active Grant

• Current Assignee: Silverbrook Research Pty Limited
• Original Assignee: Silverbrook Research Pty Limited
• Inventors: Silverbrook, Kia
• Granted Patent: US 7,826,088 B2
• Time in Patent Office: Days
• US Class Current: 348/207.200
• CPC Class Codes: B41J 11/0005 Curl smoothing, i.e. smoothing down corrugated printing material, e.g. by pressing means acting on wrinkled printing material
• CPC Class Codes: B41J 11/005 Guides in the printing zone, e.g. guides for preventing contact of conveyed sheets with printhead
• CPC Class Codes: B41J 11/70 cutting perpendicular to the direction of paper feed
• CPC Class Codes: B41J 15/04 Supporting, feeding, or guiding devices; Mountings for web rolls or spindles
• CPC Class Codes: B41J 2/14314 Structure of ink jet print heads with electrostatically actuated membrane
• CPC Class Codes: B41J 2/14427 Structure of ink jet print heads with thermal bend detached actuators
• CPC Class Codes: B41J 2/16585 for paper-width or non-reciprocating print heads
• CPC Class Codes: B41J 2/17513 Inner structure
• CPC Class Codes: B41J 2/17596 Ink pumps, ink valves
• CPC Class Codes: B41J 2002/041 Electromagnetic transducer
• CPC Class Codes: B41J 2202/21 Line printing
• CPC Class Codes: B41J 3/445 Printers integrated in other types of apparatus, e.g. printers integrated in cameras
• CPC Class Codes: B82Y 30/00 Nanotechnology for materials or surface science, e.g. nanocomposites
• CPC Class Codes: G06F 15/00 Digital computers in general details G06F1/00 – G06F13/00; Data processing equipment in general
• CPC Class Codes: G06F 21/79 in semiconductor storage media, e.g. directly-addressable memories
• CPC Class Codes: G06F 21/86 Secure or tamper-resistant housings
• CPC Class Codes: G06F 2221/2129 Authenticate client device independently of the user
• CPC Class Codes: G06F 7/57 Arithmetic logic units [ALU], i.e. arrangements or devices for performing two or more of the operations covered by groups G06F7/483 – G06F7/556 or for performing logical operations G06F7/49, G06F7/491 take precedence
• CPC Class Codes: G06F 9/226 Microinstruction function, e.g. input/output microinstruction; diagnostic microinstruction; microinstruction format
• CPC Class Codes: G06F 9/265 by address selection on input of storage
• CPC Class Codes: G06F 9/30094 : Condition code generation, e.g. Carry, Zero flag
• CPC Class Codes: G06F 9/30101 : Special purpose registers
• CPC Class Codes: G06F 9/3885 : using a plurality of independent parallel functional units
• CPC Class Codes: G06K 1/121 : by printing code marks applying code marks to labels B65C9/46; marking or coding completed packages B65B61/26
• CPC Class Codes: G06K 15/00 : Arrangements for producing a permanent visual presentation of the output data , e.g. computer output printersprinting or plotting combined with another operation, e.g. with conveying, G06K17/00
• CPC Class Codes: G06K 19/06037 : multi-dimensional coding
• CPC Class Codes: G06K 19/073 : Special arrangements for circuits, e.g. for protecting identification code in memory protection against unauthorised use of computer memory G06F12/14
• CPC Class Codes: G06K 7/10762 : Relative movement
• CPC Class Codes: G06K 7/14 : using light without selection of wavelength, e.g. sensing reflected white light G06K7/10831 - G06K7/1097 take precedence
• CPC Class Codes: G06K 7/1417 : 2D bar codes
• CPC Class Codes: G11C 11/56 : using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency
• CPC Class Codes: H01L 23/576 : using active circuits
• CPC Class Codes: H01L 2924/00 : Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
• CPC Class Codes: H01L 2924/0002 : Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
• CPC Class Codes: H04N 1/00127 : Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
• CPC Class Codes: H04N 1/00278 : with a printing apparatus, e.g. a laser beam printer
• CPC Class Codes: H04N 1/00326 : with a data reading, recognizing or recording apparatus, e.g. with a bar-code apparatus arrangements for the associated working of recording or reproducing apparatus with related apparatus G11B31/00
• CPC Class Codes: H04N 1/0044 : for image preview or review, e.g. to help the user position a sheet
• CPC Class Codes: H04N 1/00965 : using a plug-in memory module, e.g. memory card, memory stick
• CPC Class Codes: H04N 1/00968 : by scanning marks on a sheet mark-sheet input means H04N1/00355; sensing record carriers G06K7/00
• CPC Class Codes: H04N 1/2112 : using still video cameras
• CPC Class Codes: H04N 1/2154 : the still video camera incorporating a hardcopy reproducing device, e.g. a printer
• CPC Class Codes: H04N 1/32101 : Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
• CPC Class Codes: H04N 1/32133 : on the same paper sheet, e.g. a facsimile page header
• CPC Class Codes: H04N 1/32561 : using a programmed control device, e.g. a microprocessor
• CPC Class Codes: H04N 1/32587 : Controller
• CPC Class Codes: H04N 1/32593 : Using a plurality of controllers, e.g. for controlling different interfaces
• CPC Class Codes: H04N 1/32603 : Multi-bus systems
• CPC Class Codes: H04N 1/46 : Colour picture communication systems
• CPC Class Codes: H04N 2101/00 : Still video cameras
• CPC Class Codes: H04N 2201/0008 : Connection or combination of a still picture apparatus with another apparatus
• CPC Class Codes: H04N 2201/0084 : Digital still camera
• CPC Class Codes: H04N 2201/3222 : of processing required or performed, e.g. forwarding, urgent or confidential handling
• CPC Class Codes: H04N 2201/3261 : of multimedia information, e.g. a sound signal
• CPC Class Codes: H04N 2201/3264 : of sound signals
• CPC Class Codes: H04N 2201/3269 : of machine readable codes or marks, e.g. bar codes or glyphs
• CPC Class Codes: H04N 2201/3276 : of a customised additional information profile, e.g. a profile specific to a user ID
• CPC Class Codes: H04N 2201/328 : Processing of the additional information
• CPC Class Codes: H04N 23/00 : Cameras or camera modules comprising electronic image sensors; Control thereof
• CPC Class Codes: H04N 23/40 : Circuit details for pick-up tubes
• CPC Class Codes: H04N 23/70 : Circuitry for compensating brightness variation in the scene
• CPC Class Codes: H04N 23/80 : Camera processing pipelines; Components thereof
• CPC Class Codes: H04N 25/75 : Circuitry for providing, modifying or processing image signals from the pixel array
• CPC Class Codes: H04N 5/2628 : Alteration of picture size, shape, position or orientation, e.g. zooming, rotation, rolling, perspective, translation
• CPC Class Codes: H04N 5/76 : Television signal recording

Abstract

A camera is provided comprising an image sensor for sensing images, a printhead for printing the sensed images on print media, and a controller for controlling the communication of the sensed images to the printhead. The controller comprises an image sensor interface, a very long instruction word vector processor responsive to the image sensor interface, and a printhead interface in communication with the processor and the printhead. The processor is comprised of a number of processing units interconnected by a crossbar switch.

Claims

1. A digital camera comprising:

an image sensor for sensing images;

a printhead for printing the sensed images on print media; and

a controller for controlling the communication of the sensed images to the printhead, the controller comprising;

an image sensor interface in communication with the image sensor;

a parallel processor responsive to the image sensor interface; and

a printhead interface in communication with the processor and the printhead,

wherein the processor is comprised of a number of processing units interconnected by a crossbar switch.

2. A camera according to claim 1, wherein the image sensor interface comprises one or more of an area sensor interface and a scanner interface.

3. A camera according to claim 1, wherein the controller further comprises an output FIFO disposed to communicate between the processor and the printhead interface.

4. A camera according to claim 1, wherein the controller further comprises an input FIFO disposed to communicate between the processor and the image sensor interface.

5. A camera according to claim 1, wherein each of the processing units comprises a memory area containing microcode.

6. A camera according to claim 1, wherein each of the processing units comprises at least one address generator.

7. A camera according to claim 1, wherein each of the processing units comprises an arithmetical logic unit in communication with the crossbar switch.

8. A camera according to claim 7, wherein each of the processing units further comprises at least one FIFO connected to the arithmetical logic unit.