Textual data storage system and method

• US 20030217025A1
• Filed: 09/12/2001
• Published: 11/20/2003
• Est. Priority Date: 09/11/2000
• Status: Abandoned Application

• Current Assignee: Snap-On Technologies Incorporated (Snap-On Incorporated)
• Original Assignee: Snap-On Technologies Incorporated (Snap-On Incorporated)
• Inventors: Costantino, David
• Application Number:
  US09/951,100
• Publication Number:
  US 20030217025A1
• Time in Patent Office: Days
• US Class Current: 707/1
• CPC Class Codes: G06F 15/0283 for data storage and retrieval
• CPC Class Codes: G06F 40/242 Dictionaries
• CPC Class Codes: G11B 20/00007 Time or data compression or expansion audio compression based on psychoacoustics G10L19/00; data processing for reproducing audio data at different playback speeds G10L21/04; video compression H04N19/00; data compression per se H03M7/30
• CPC Class Codes: H03M 7/3084 using adaptive string matching, e.g. the Lempel-Ziv method
• CPC Class Codes: H03M 7/3088 employing the use of a dictionary, e.g. LZ78
• CPC Class Codes: Y10S 707/99931 Database or file accessing
• CPC Class Codes: Y10S 707/99934 Query formulation, input preparation, or translation
• CPC Class Codes: Y10S 707/99936 Pattern matching access

Abstract

A hand-held electronic device for use in accessing and displaying textual information. The device may include: a display for displaying information; a processor; a memory; and a word dictionary table stored in the memory, the word dictionary table may include a word list of unique words that are contained in the textual information. The word dictionary table may also include a set of word identification tokens, where each word identification token represents one of the unique words in the word list. The memory may also include a phrase dictionary table, which may include a phrase list of word identification token groups, each word identification token group representing a phrase that is contained in the textual information. The phrase dictionary table may further include a set of phrase identification tokens, each phrase identification token representing one of the phrases in the textual information. The memory may include a removable module.

Claims

1. A method for storing data comprising:

storing a word dictionary in a memory, the word dictionary including a first list of the unique words that are contained in the data and that also includes a set of word identification tokens, each word identification token representing one of the unique words in the first list; and

storing a phrase dictionary in the memory, the phrase dictionary including a second list of word identification token groups, each word identification token group representing a phrase that is contained in the data, the second list further including a set of phrase identification tokens, each phrase identification token representing one of the word identification token groups.

2. The method of claim 1, further comprising the step of:

determining an optimum range of the length of the phrases that are to be included in the phrase dictionary and including only phrases of optimum length in the phrase dictionary.

3. The method of claim 1, wherein the data comprises textual information.

4. The method of claim 3, wherein the textual information comprises automotive repair and servicing information.

5. The method of claim 1, wherein the memory comprises at least one removable module.