Handheld display device for magnifying printed information

• US 8,023,140 B2
• Filed: 03/30/2010
• Issued: 09/20/2011
• Est. Priority Date: 12/01/1999
• Status: Expired due to Fees

• Current Assignee: Silverbrook Research Pty Limited
• Original Assignee: Silverbrook Research Pty Limited
• Inventors: Silverbrook, Kia, Lapstun, Paul, King, Tobin Allen
• Primary Examiner(s): Pham; Thierry
• Application Number:
  US12/750,477
• Publication Number:
  US 20100182647A1
• Time in Patent Office: 539 Days
• Field of Search: 358/1.1, 358/1.9, 358/1.11, 358/1.12, 358/1.13, 358/1.14, 358/1.15, 358/1.16, 358/1.17, 358/1.18, 455/566, 345/173
• US Class Current: 358/1.15
• CPC Class Codes: B41J 3/445 Printers integrated in other types of apparatus, e.g. printers integrated in cameras
• 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 1/1656 Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories mounting of accessories to a computer display G06F1/1607; display hoods G06F1/1603; cooling arrangements for portable computers G06F1/203
• CPC Class Codes: G06F 1/1684 Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
• CPC Class Codes: G06F 1/1688 the I/O peripheral being integrated loudspeakers
• CPC Class Codes: G06F 2200/1614 Image rotation following screen orientation, e.g. switching from landscape to portrait mode
• CPC Class Codes: G06F 2200/1637 Sensing arrangement for detection of housing movement or orientation, e.g. for controlling scrolling or cursor movement on the display of an handheld computer
• CPC Class Codes: G06F 2203/0384 Wireless input, i.e. hardware and software details of wireless interface arrangements for pointing devices
• CPC Class Codes: G06F 3/0321 by optically sensing the absolute position with respect to a regularly patterned surface forming a passive digitiser, e.g. pen optically detecting position indicative tags printed on a paper sheet constructional details of pen-shaped pointing devices G06F3/03545, G06F3/03542, G06F3/037
• CPC Class Codes: G06F 3/03545 Pens or stylus
• CPC Class Codes: G06F 3/0488 using a touch-screen or digitiser, e.g. input of commands through traced gestures
• CPC Class Codes: G06F 3/16 Sound input; Sound output speech processing G10L
• CPC Class Codes: G06Q 40/00 Finance; Insurance; Tax strategies; Processing of corporate or income taxes
• CPC Class Codes: G06Q 40/08 Insurance
• CPC Class Codes: H04M 1/27475 using interactive graphical means or pictorial representations
• CPC Class Codes: H04M 1/2755 by optical scanning
• CPC Class Codes: H04M 1/72409 by interfacing with external accessories hands-free H04M1/60
• CPC Class Codes: H04M 1/72412 using two-way short-range wireless interfaces
• CPC Class Codes: H04M 1/72442 for playing music files
• CPC Class Codes: H04M 1/72445 for supporting Internet browser applications
• CPC Class Codes: H04M 2250/12 : including a sensor for measuring a physical value, e.g. temperature or motion telephones including GPS signal receivers H04M2250/10
• CPC Class Codes: H04M 3/42 : Systems providing special services or facilities to subscribers specially adapted for wireless communication networks H04W4/00
• CPC Class Codes: H04M 7/0015 : First party call control architectures
• CPC Class Codes: H04N 1/00204 : with a digital computer or a digital computer system, e.g. an internet server programmed control between transmitter and receiver or between image input and image output device H04N1/32561
• CPC Class Codes: H04N 1/00244 : with a server, e.g. an internet server fax-servers or the like for store and forward H04N1/324
• CPC Class Codes: H04N 1/00307 : with a mobile telephone apparatus constructional features of portable telephone sets H04M1/0202; mobile radio systems H04W84/00
• 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 1/00392 : Other manual input means, e.g. digitisers or writing tablets
• 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 1/32122 : 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 1/32778 : using a mark-sheet or machine-readable code request
• CPC Class Codes: H04N 19/60 : using transform coding
• CPC Class Codes: H04N 19/61 : in combination with predictive coding
• CPC Class Codes: H04N 21/41407 : embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop constructional details of equipment or arrangements specially adapted for portable computer application G06F1/1626; arrangements specially adapted for mobile receivers in broadcast systems H04H20/57
• CPC Class Codes: H04N 21/422 : Input-only peripherals , i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS] input devices also receiving signals from specially adapted client devices H04N21/4104
• CPC Class Codes: H04N 21/42203 : sound input device, e.g. microphone
• CPC Class Codes: H04N 21/4223 : Cameras H04N23/00 takes precedence
• CPC Class Codes: H04N 21/478 : Supplemental services, e.g. displaying phone caller identification, shopping application
• CPC Class Codes: H04N 2201/0082 : Image hardcopy reproducer H04N2201/0091 - H04N2201/0094 take precedence
• CPC Class Codes: H04N 2201/3226 : of identification information or the like, e.g. ID code, index, title, part of an image, reduced-size image
• CPC Class Codes: H04N 2201/3247 : Data linking a set of images to one another, e.g. sequence, burst or continuous capture mode
• 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 2201/3274 : Storage or retrieval of prestored additional information
• CPC Class Codes: H04N 5/445 : for displaying additional information H04N5/50 takes precedence
• CPC Class Codes: H04N 5/76 : Television signal recording
• CPC Class Codes: H04N 5/765 : Interface circuits between an apparatus for recording and another apparatus
• CPC Class Codes: H04N 5/783 : Adaptations for reproducing at a rate different from the recording rate
• CPC Class Codes: H04N 5/907 : using static stores, e.g. storage tubes or semiconductor memories H04N5/91 takes precedence
• CPC Class Codes: H04N 7/163 : by receiver means only
• CPC Class Codes: Y10S 707/99931 : Database or file accessing
• CPC Class Codes: Y10T 428/187 : Continuous sectional layer

Abstract

A method of magnifying printed content using a handheld display device having a touch-sensitive screen and a transceiver for sending and receiving digital information. The method comprises the steps of: imaging an area of the substrate containing printed content and generating image data using an optical sensor; determining interaction data using the image data, the interaction data identifying a substrate identity; retrieving, using the interaction data and the page description, display data corresponding to the printed content; displaying, on the touch-sensitive screen, display information based on the display data, the display information including displayed content corresponding to the printed content; and interacting with the displayed content via the touch-sensitive screen. Interacting with the displayed content via the touch-sensitive screen magnifies the displayed content on the screen.

Claims

1. A handheld display device for overlaying a printed substrate and for magnifying printed content on said printed substrate, said device comprising:

an optical sensor for imaging an area of the printed substrate containing printed content and for generating image data;

a processor for determining interaction data using the image data, said interaction data indentifying a page description corresponding to the printed substrate;

a transceiver for;

sending the interaction data to a computer system, thereby causing the computer system to identify the page description and retrieve display data corresponding to at least some of the printed content using the identified page description; and

receiving the display data from the computer system; and

an opaque touch-sensitive display screen for displaying display information based on said display data, said display information matching and aligning with printed content underlying said screen such that the opaque display screen has real-time virtual transparency through the opaque screen to the printed content underlying said screen from a user'"'"'s perspective to provide a virtual window to the printed content underlying said screen;

wherein said device is configured such that user interaction with displayed content via said touch-sensitive display screen causes the displayed content to be magnified on said screen.

2. The device of claim 1, which is a mobile phone or a personal digital assistant.

3. The device of claim 1, wherein said transceiver is at least one of:

a short-range wireless transceiver and a mobile phone transceiver.

4. The device of claim 1, wherein said interaction data identifies a position of the device relative to the printed substrate and said retrieved display data corresponds to a part of the substrate containing said position.

5. The device of claim 1, wherein said device comprises a memory for storing the retrieved display data.

6. The device of claim 1 further comprising an accelerometer for detecting movement of the device.

7. The device of claim 1, further comprising means for snapping said display information, wherein snapped display information is displayed irrespective of a position of said device relative to said substrate.

8. The device of claim 7 further comprising means for navigation of a display page via said snapped display information, said display page corresponding to the printed substrate.

9. The device of claim 8, wherein said means for navigation of said display page enables panning across said display page.

10. The device of claim 9, wherein said means for navigation of said display page comprises said touch-sensitive screen.

11. The device of claim 1, wherein said device comprises a power management system for powering down said display screen during periods of inactivity.

12. The device of claim 1 further comprising a printer for printing onto said substrate.

13. The device of claim 12, wherein said printer is configured to print onto said substrate when said device is stationary.

14. The device of claim 1, wherein said printed substrate comprises coded data disposed thereon or therein, said coded data identifying a substrate identity indexed with said page description.

15. The device of claim 14, wherein said coded data further identifies a plurality of locations on the substrate.