Optical sensing device for reading coded data on a surface and registration network for same

• US 7,278,018 B2
• Filed: 07/28/2004
• Issued: 10/02/2007
• Est. Priority Date: 05/25/1999
• Status: Expired due to Fees

• Current Assignee: Silverbrook Research Pty Limited
• Original Assignee: Silverbrook Research Pty Limited
• Inventors: Silverbrook, Kia, Lapstun, Paul
• Primary Examiner(s): Zand; Kambiz
• Assistant Examiner(s): Lipman; Jacob
• Application Number:
  US10/900,127
• Publication Number:
  US 20050010770A1
• Time in Patent Office: 1,161 Days
• Field of Search: 713/168, 713/170, 380/247
• US Class Current: 713/168
• 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 2/17503 Ink cartridges
• 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 transparent or white coloured liquids, e.g. 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 3/03545 Pens or stylus
• 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 3/1208 resulting in improved quality of the output result, e.g. print layout, colours, workflows, print preview
• CPC Class Codes: G06F 3/1264 by assigning post-processing resources
• 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 3/1284 : Local printer device
• CPC Class Codes: G06K 17/00 : Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
• 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 1/00127 : 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 1/00204 : 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 1/00326 : 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 1/00358 : Type of the scanned marks
• CPC Class Codes: H04N 1/00376 : Means for identifying a mark sheet or area
• CPC Class Codes: H04N 1/00567 : Handling of original or reproduction media, e.g. cutting, separating, stacking
• CPC Class Codes: H04N 1/00639 : Binding, stapling, folding or perforating, e.g. punching
• 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 2201/0082 : Image hardcopy reproducer H04N2201/0091 - H04N2201/0094 take precedence
• 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
• CPC Class Codes: Y10S 412/902 : Heating and pressing
• CPC Class Codes: Y10T 156/1744 : Means bringing discrete articles into assembled relationship
• CPC Class Codes: Y10T 156/1761 : Stacked serially
• CPC Class Codes: Y10T 156/1798 : with liquid adhesive or adhesive activator applying means

Abstract

A network including an optical sensing device and a registration server: wherein a secret key and a public unique identifier are installed in a non-volatile memory of the optical sensing device and in a database of the registration server, before the optical sensing device is connected to the network; wherein, the registration server is adapted to authenticate the optical sensing device when the optical sensing device is connected to the network by verifying the optical sensing device'"'"'s encryption, using the secret key, of a challenge message; wherein, if the authentication succeeds, the optical sensing device is registered in the database of the registration server; and wherein the optical sensing device is adapted to capture a sequence of time-stamped positions of the optical sensing device relative to a surface including coded data.

Claims

1. A network including:

a pen having an optical image sensor for sensing coded data printed on a surface, said coded data identifying a page identity for the surface and a plurality of locations on the surface;

a base station for communication with the pen; and

a registration server,

the network characterized by;

a secret key and a public unique identifier being installed in a non-volatile memory of the pen and in a database of the registration server, before the pen is connected to the network;

the registration server configured to authenticate the pen when the pen is connected to the network by verifying an encryption from the pen, using the secret key, of a challenge message;

upon successful authentication, the pen being registered in the database of the registration server; and

the pen, when placed in an operative position relative to the surface, configured to capture images of the coded data, process the captured images and transmit to the base station digital ink comprising a series of strokes, each stroke comprising a sequence of time-stamped positions of the pen and the page identity.

2. The network according to claim 1, wherein the optical pen is configured to transmit to the registration server, a registration request including the pen'"'"'s unique public identifier, the network further characterized by:

the registration server configured to generate the challenge message in response to receipt of the registration request and to transmit the challenge message to the pen;

the pen configured to encrypt the challenge message using the secret key stored in the pen and to transmit the encrypted challenge message to the registration server; and

,

the registration server configured to decrypt the encrypted challenge message using the secret key stored at the registration server and to authenticate the pen by comparing the decrypted challenge message with the generated challenge message.

3. The network according to claim 1, wherein the registration server is configured to generate a session key, to encrypt the session key using the secret key, and to transmit the encrypted session key to the pen, and the pen is configured to store the session key.

4. The network according to claim 1, wherein the base station includes a printer.

5. The network according to either claim 1 or 4, the network further characterized by:

the pen configured to transmit a registration request to the base station, the request including the pen'"'"'s unique public identifier;

the base station configured to generate the challenge message and to transmit the generated challenge message to the pen;

the pen configured to encrypt the challenge message using the secret key stored in the pen and to transmit the encrypted challenge message to the base station;

the base station configured to transmit the unique public identifier of the pen and the encrypted challenge message to the registration server; and

,

the registration server configured to decrypt the encrypted challenge message using the secret key stored at the registration server and to authenticate the pen by comparing the decrypted challenge message with the generated challenge message.

6. The network according to either claim 1 or 4, wherein the registration server is configured to generate a session key, to encrypt the session key using the secret key, and to transmit the encrypted session key to the base station, the base station is configured to store the encrypted session key and to transmit the encrypted session key to the pen, and the pen is configured to decrypt the encrypted session key and to store the decrypted session key.

7. The network according to claim 6, wherein the base station stores, in non-volatile memory, at least one session key associated with the pen, the session key being retrievable via a unique public identifier of the pen.

8. The network according to claim 6, wherein the pen stores, in non-volatile memory, at least one session key associated with a base station, the session key being retrievable via a unique public identifier of the base station.

9. The network according to claim 1 or 4, wherein the pen communicates with the base station via a wireless connection.

10. The network according to claim 9, wherein the pen connects to the base station when the pen comes within wireless communications range of the base station.

11. The network according to claim 4, wherein the printer prints a first document in response to an input received from the pen.

12. The network according to claim 11, wherein the pen generates the input by sensing coded data on the surface.