Multi-core image processor for portable device

• US 9,544,451 B2
• Filed: 09/15/2012
• Issued: 01/10/2017
• Est. Priority Date: 07/12/1997
• Status: Expired due to Fees

• Current Assignee: Google LLC (Alphabet Inc.)
• Original Assignee: Google Inc. (Alphabet Inc.)
• Inventors: Silverbrook, Kia
• Primary Examiner(s): Menberu, Beniyam
• Application Number:
  US13/620,879
• Publication Number:
  US 20130013839A1
• Time in Patent Office: 1,578 Days
• Field of Search: None
• US Class Current: 1/1
• CPC Class Codes: B41J 15/044 Cassettes or cartridges containing continuous copy material, tape, for setting into printing devices
• CPC Class Codes: B41J 2/14 Structure thereof only for on-demand ink jet heads
• CPC Class Codes: B41J 2/14427 Structure of ink jet print heads with thermal bend detached actuators
• CPC Class Codes: B41J 2/16 Production of nozzles
• CPC Class Codes: B41J 2/1601 Production of bubble jet print heads B41J2/1606, B41J2/162 take precedence
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• CPC Class Codes: B41J 2/1643 thin film formation by plating
• CPC Class Codes: B41J 2/1645 thin film formation by spincoating
• CPC Class Codes: B41J 2/1646 thin film formation by sputtering
• CPC Class Codes: B41J 2/1648 Production of 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 2/175 : Ink supply systems ; Circuit parts therefor
• CPC Class Codes: B41J 2/17503 : Ink cartridges
• CPC Class Codes: B41J 2/17513 : Inner structure
• CPC Class Codes: B41J 2/17546 : electronically
• CPC Class Codes: B41J 2/17596 : Ink pumps, ink valves
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• CPC Class Codes: B41J 2002/14491 : Electrical connection
• CPC Class Codes: B41J 2202/21 : Line printing
• CPC Class Codes: B41J 29/02 : Framework
• CPC Class Codes: B42D 15/02 : Postcards; Greeting, menu, business or like cards; Letter cards or letter-sheets B42D25/00 takes precedence; envelopes B65D27/00
• CPC Class Codes: B42D 2035/08 : Alphanumerical data
• CPC Class Codes: B42D 2035/34 : Markings visible under particular conditions or containing coded information
• CPC Class Codes: B42D 2035/50 : Corresponding markings appearing in different shapes or at different places
• CPC Class Codes: B42D 25/00 : Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof printing processes to produce identification or security features B41M3/14
• CPC Class Codes: B42D 25/20 : characterised by a particular use or purpose
• CPC Class Codes: B42D 25/23 : Identity cards
• CPC Class Codes: B82Y 30/00 : Nanotechnology for materials or surface science, e.g. nanocomposites
• CPC Class Codes: G03B 17/02 : Bodies
• CPC Class Codes: G03B 27/00 : Photographic printing apparatus
• CPC Class Codes: G03B 27/02 : Exposure apparatus for contact printing
• CPC Class Codes: G06F 1/1626 : with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
• CPC Class Codes: G06F 12/0866 : for peripheral storage systems, e.g. disk cache
• 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
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• CPC Class Codes: G06F 2221/2129 : Authenticate client device independently of the user
• CPC Class Codes: G06F 3/12 : Digital output to print unit , e.g. line printer, chain printer
• 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 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 7/10722 : Photodetector array or CCD scanning
• 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: G06T 1/20 : Processor architectures; Processor configuration, e.g. pipelining
• CPC Class Codes: G06T 3/02 : Affine transformations for image registration G06T3/147; for image mosaicing G06T3/4038
• CPC Class Codes: G07F 7/08 : by coded identity card or credit card or other personal identification means without personal verification means G07F7/02
• CPC Class Codes: G07F 7/086 : by passive credit-cards adapted therefor, e.g. constructive particularities to avoid counterfeiting, e.g. by inclusion of a physical or chemical security-layer for security documents G07D7/00; for the reading of record-carriers in general G06K7/00; for the design of coded credit-cards G06K19/10
• CPC Class Codes: G07F 7/12 : Card verification
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• CPC Class Codes: G09G 2310/0281 : Arrangement of scan or data electrode driver circuits at the periphery of a panel not inherent to a split matrix structure
• 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: G11C 16/22 : Safety or protection circuits preventing unauthorised or accidental access to memory cells
• 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 1/00355 : Mark-sheet input sensing record carriers G06K7/00; character recognition G06V30/10; document-oriented image-based pattern recognition G06V30/40
• 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 1/04 : Scanning arrangements , i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versaH04N1/387 takes precedence
• 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 1/2307 : Circuits or arrangements for the control thereof, e.g. using a programmed control device, according to a measured quantity H04N1/27, H04N1/29 take precedence
• CPC Class Codes: H04N 1/32122 : in a separate device, e.g. in a memory or on a display separate from image data
• CPC Class Codes: H04N 1/32133 : on the same paper sheet, e.g. a facsimile page header
• 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 2201/3242 : of processing required or performed, e.g. for reproduction or before recording H04N2201/3256 and subgroups take precedence
• 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 23/843 : Demosaicing, e.g. interpolating colour pixel values
• CPC Class Codes: H04N 25/00 : Circuitry of solid-state image sensors [SSIS]; Control thereof
• CPC Class Codes: H04N 25/76 : Addressed sensors, e.g. MOS or CMOS sensors
• CPC Class Codes: H04N 5/2628 : Alteration of picture size, shape, position or orientation, e.g. zooming, rotation, rolling, perspective, translation
• CPC Class Codes: H05K 1/14 : Structural association of two or more printed circuits providing electric connection to or between printed circuits H05K1/11, H01R12/00
• CPC Class Codes: H05K 1/189 : characterised by the use of a flexible or folded printed circuit H05K3/326 takes precedence
• CPC Class Codes: Y10S 358/9091 : Electronic still camera or scene reproducer

Abstract

A portable handheld device including a CPU for processing a script; a multi-core processor for processing an image; an input buffer for receiving data for processing by the multi-core processor, the input buffer being provided under the control of the multi-core processor to send data thereto; and an output buffer for receiving data processed by the multi-core processor, the output buffer being provided under the control of the multi-core processor to receive data therefrom. The multi-core processor comprises a plurality of micro-coded processing units. The CPU is configured with authority to clear and query the input and output buffers.

Claims

1. A processor for a portable handheld device including a card reader, the processor comprising on a shared wafer:

a card reader interface for receiving an instruction script from a data card inserted in the card reader;

a CPU for processing the instruction script;

a multi-core processor for processing an image, the multi-core processor having a plurality of processing units each including a microcode RAM; and

a memory interface separate from the card reader interface and configured to receive image data from an external memory for processing by the multi-core processor,

wherein the CPU loads each microcode RAM with a microcode program to effect execution of the instruction script.

2. A processor as claimed in claim 1, further comprising a data cache integrated with the CPU and multi-core processor as a system-on-chip device, the data cache being shared by the plurality of processing units via a first data bus.

3. A processor as claimed in claim 2, wherein each of the processing units includes an individual input buffer and an individual output buffer, each individual input buffer and each individual output buffer being connected to the first data bus to thereby achieve connection of each processing unit with the data cache.

4. A processor as claimed in claim 2, wherein each processing unit includes an ALU.

5. A processor as claimed in claim 4, further comprising a second date bus connecting each ALU in a ring topology, the second data bus effecting parallel connection of the plurality of processing units, wherein the second data bus is separate from the first data bus.

6. A processor as claimed in claim 4, further comprising a common synchronization register shared by the plurality of processing units, the common synchronization register for synchronizing one or more of the processing units to function as a single process.

7. A processor as claimed in claim 1, further comprising a flash memory for storing microcode, wherein the CPU reads the flash memory to obtain microcode for loading into the microcode RAM of each processing unit.

8. A processor for a portable device, the processor comprising:

a first image sensor interface configured to receive first image data from a first image sensor of the portable device;

a second image sensor interface configured to receive second image data from a second image sensor of the portable device;

a CPU for processing an instruction script; and

a multi-core processor for processing the first image data, the multi-core processor having a plurality of processing units each including a microcode RAM

wherein the first image sensor interface, the second image sensor interface, the CPU and the multi-core processor are integrated on a common wafer substrate.

9. The processor of claim 8, wherein the first image sensor interface is separate from the second image sensor interface.

10. The processor of claim 8, further comprising a data cache integrated with the CPU and the multi-core processor as a system-on-chip device, the data cache being shared by the plurality of processing units via a data bus.

11. The processor of claim 10, wherein each of the processing units includes an individual input buffer and an individual output buffer, each individual input buffer and each individual output buffer being connected to the data bus to thereby achieve connection of each processing unit with the data cache.

12. The processor of claim 11, further comprising a common synchronization register shared by the plurality of processing units, the common synchronization register for synchronizing one or more of the processing units to function as a single process.

13. A processor for a portable device, the processor comprising:

a multi-core processor including a plurality of processing units;

a plurality of image sensor interfaces configured to receive image sensor data wherein the multi-core processor and the plurality of image sensor interfaces are disposed on a common wafer substrate, and each image sensor interface of the plurality of image sensor interfaces are separately disposed on the common wafer substrate;

a CPU for processing an instruction script, wherein each processing unit of the plurality of processing units includes a microcode RAM;

a data cache integrated with the CPU and shared by the plurality of processing units via a first data bus;

a second data bus separate from the first data bus and configured to connect the plurality of processing units in parallel, wherein the plurality of processing units each include an ALU, the second data bus connects to the ALU of each of the plurality of processing units, and the second data bus connects the ALU of each of the plurality of processing units in a ring topology.

14. The processor of claim 13, wherein the CPU, the data cache, the first data bus and the second data bus are disposed on the common wafer substrate.

15. The processor of claim 13, wherein the plurality of image sensor interfaces includes a first image sensor interface and a second image sensor interface, and the first image sensor interface is configured to receive first image data related to a first image captured by a first image sensor, and the second image sensor interface is configured to receive second image data related to a second image captured by a second image sensor.