Sensing device

• US 6,792,165 B1
• Filed: 11/25/2000
• Issued: 09/14/2004
• Est. Priority Date: 05/25/1999
• Status: Expired due to Term

• Current Assignee: Livescribe Incorporated (Anoto Group AB)
• Original Assignee: Silverbrook Research Pty Limited
• Inventors: Walmsley, Simon Robert, King, Tobin Allen, Silverbrook, Kia, Lapstun, Paul
• Primary Examiner(s): Boudreau, Leo
• Assistant Examiner(s): Dang, Duy M.
• Application Number:
  US09/721,893
• Time in Patent Office: 1,389 Days
• Field of Search: 382/188, 382/312-314, 382/317, 345/169, 345/179
• US Class Current: 382/314
• CPC Class Codes: B41J 13/103 for the sheet feeding section
• CPC Class Codes: B41J 13/106 for the sheet output section
• CPC Class Codes: B41J 2/17513 Inner structure
• CPC Class Codes: B41J 2/17523 Ink connection
• CPC Class Codes: B41J 2/17546 electronically
• CPC Class Codes: B41J 2/17553 Outer structure
• CPC Class Codes: B41J 2/17556 Means for regulating the pressure in the cartridge
• CPC Class Codes: B41J 2/17563 Ink filters
• CPC Class Codes: B41J 2/2114 Ejecting specialized liquids, e.g. transparent or processing liquids B41J2/211 takes precedence
• CPC Class Codes: B42C 19/02 starting with single sheets
• CPC Class Codes: B42C 9/0006 by applying adhesive to a stack of sheets
• CPC Class Codes: B42C 9/0081 applying adhesive to individual sheets for binding them together by fusing, welding B42C9/0093
• CPC Class Codes: B42P 2261/04 Producing books by printing sheets in following order, e.g. for ordering via the Internet
• CPC Class Codes: B65H 29/34 from supports slid from under the articles
• CPC Class Codes: B65H 37/04 for securing together articles or webs, e.g. by adhesive, stitching or stapling adhering replacement to expiring web during change of web roll B65H19/18
• 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 3/0386 for light pen
• CPC Class Codes: G06F 3/1204 resulting in reduced user or operator actions, e.g. presetting, automatic actions, using hardware token storing data
• CPC Class Codes: G06F 3/1265 Printing by reference, e.g. retrieving document/image data for a job from a source mentioned in the job
• CPC Class Codes: G06F 3/1285 : Remote printer device, e.g. being remote from client or server
• CPC Class Codes: G06V 30/1423 : the instrument generating sequences of position coordinates corresponding to handwriting preprocessing or recognising digital ink G06V30/32
• 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 1/00567 : Handling of original or reproduction media, e.g. cutting, separating, stacking
• 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 1/32101 : Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
• 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 1/32128 : attached to the image data, e.g. file header, transmitted message header, information on the same page or in the same computer file as the image for information embedded in the image H04N1/32144
• CPC Class Codes: H04N 1/32771 : in response to a request, e.g. for a particular document
• CPC Class Codes: H04N 1/32778 : using a mark-sheet or machine-readable code request
• CPC Class Codes: H04N 2201/3243 : of type information, e.g. handwritten or text document
• CPC Class Codes: H04N 2201/3269 : of machine readable codes or marks, e.g. bar codes or glyphs
• CPC Class Codes: H04N 2201/327 : which are undetectable to the naked eye, e.g. embedded codes

Abstract

A sensing device for sensing region identity data and generating movement data when the sensing device is moved relative to a region of a surface, the region identity data being indicative of an identity of the region, the movement data being indicative of the movement of the sensing device relative to the region, the surface having disposed upon it coded data indicative of at least one region associated with the surface, the sensing device including: region identity sensing means configured to sense the region identity data using at least some of the coded data; motion sensing means configured to generate the movement data; and communications means configured to communicate the region identity data and the movement data to a computer system.

Claims

1. A sensing device for sensing region identity data and generating movement data when the sensing device is moved relative to a region of a surface, the region identity data being indicative of an identity of the region, the movement data being indicative of the movement of the sensing device relative to the region, the surface having disposed upon it coded data indicative of at least one region associated with the surface, the sensing device including:

region identity sensing means configured to sense the region identity data using at least some of the coded data, wherein redundantly encoded orientation data indicative of the orientation of the coded data relative to the surface is embedded in the coded data;

motion sensing means configured to generate the movement data; and

communications means configured to communicate the region identity data and the movement data to a computer system;

wherein the motion sensing means is configured to generate the movement data using at least some of the coded data;

wherein the coded data is also indicative of a plurality of reference points of the region, the motion sensing means being configured to generate the movement data on the basis of the sensing device'"'"'s movement relative to at least one of the reference points; and

wherein the coded data includes a plurality of tags, each of which is indicative of an identity of a region within which the tag lies, and of a reference point of the region, the region being associated with the surface, the reference point being indicative of the position of the tag within the region.

2. A sensing device according to claim 1, wherein each tag has four possible orientations relative to the surface and wherein each tag orientation contains one codeword placed at that orientation.

3. A sensing device for sensing region identity data and generating movement data when the sensing device is moved relative to a region of a surface, the region identity data being indicative of an identity of the region, the movement data being indicative of the movement of the sensing device relative to the region, the surface having disposed upon it coded data indicative of at least one region associated with the surface, the sensing device including:

region identity sensing means configured to sense the region identity data using at least some of the coded data, wherein redundantly encoded orientation data indicative of the orientation of the coded data relative to the surface is embedded in the coded data;

motion sensing means configured to generate the movement data; and

communications means configured to communicate the region identity data and the movement data to a computer system;

wherein the motion sensing means is configured to generate the movement data using at least some of the coded data;

wherein the coded data includes a plurality of tags, each of which is indicative of an identity of a region within which the tag lies, and of a reference point of the region, the region being associated with the surface, the reference point being indicative of the position of the tag within the region; and

wherein the coded data includes a plurality of tags, each of which is indicative of an identity of a region within which the tag lies, and each of which includes at least one periodic element of the coded data.

4. A method for sensing region identity data and generating movement data when a sensing device is moved relative to a region of a surface, the region identity data being indicative of an identity of the region, the movement data being indicative of the movement of the sensing device relative to the region, the surface having disposed upon it coded data indicative of at least one region associated with the surface, the method including:

sensing the region identity data using at least some of the coded data, wherein redundantly encoded orientation data indicative of the orientation of the coded data relative to the surface is embedded in the coded data;

generating the movement data; and

communicating the region identity data and the movement data to a computer system;

wherein the coded data includes a plurality of tags, each of which is indicative of an identity of a region within which the tag lies, and of a reference point of the region, the region being associated with the surface, the reference point being indicative of the position of the tag within the region.

5. A method according to claim 4, wherein each tag has four possible orientations relative to the surface and wherein each tag orientation contains one codeword placed at that orientation.

6. A sensing device for sensing region identity data and generating movement data when the sensing device is moved relative to a region of a surface, the region identity data being indicative of an identity of the region, the movement data being indicative of the movement of the sensing device relative to the region, the surface having disposed upon it coded data indicative of at least one region associated with the surface, the sensing device including:

a region identity sensor configured to sense the region identity data using at least some of the coded data, wherein redundantly encoded orientation data indicative of the orientation of the coded data relative to the surface is embedded in the coded data;

a motion sensor configured to generate the movement data; and

a communications module configured to communicate the region identity data and the movement data to a computer system;

wherein the coded data includes a plurality of tags, each of which is indicative of an identity of a region within which the tag lies, and of a reference point of the region, the region being associated with the surface, the reference point being indicative of the position of the tag within the region.

7. A sensing device according to claim 6, wherein each tag has four possible orientations relative to the surface and wherein each tag orientation contains one codeword placed at that orientation.