Patent US6424975B1 successfully refreshed from Google Patents.
US6424975B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
FAT file system in palm OS computer
Assignee: TRG Products Inc
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Filing: 2000-01-07
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Granted: 2002-07-23
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Expires: 2020-01-07
Abstract
Abstract A handheld computer which uses a palm operating system and which incorporates a compact flash (CF+) interface for secondary data storage or interface to other devices and uses a FAT file system for file management with said CF+ media. The disclosure further include references to alternate types of secondary storage such as disk drives and multimedia cards and further discloses that the handheld computer may be embodied in a portable telephone of scanner.
Inventors
- 👤 Mike W. Walter
- 👤 Trevor E. Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 11:49
CPC Classifications
G; G06; G06F; G06F16/00; G06F16/10; Y; Y10; Y10S; Y10S707/00; Y10S707/99931; Y10S707/99938; Y10S707/99951; Y10S707/99956
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
92 words
A handheld computer comprising: a CPU executing a palm operating system in which executable programs are directly accessed from a permanent data storage in a database format; where said database format applies equally to data files which are formatted in palm file formats; file management software for use with said CPU for manipulation of files in Ffs file formats; and whereby said file management software interfaces a FAT file system with said palm operating system which is an operating system of a type otherwise incapable of opening files having non-palm file formats.
Claim 2
Dependent Claim
92 words
A handheld computer comprising: a CPU executing a palm operating system in which executable programs are directly accessed from a permanent data storage in a database format; where said database format applies equally to data files which are formatted in palm file formats; file management software for use with said CPU for manipulation of files in Ffs file formats; and whereby said file management software interfaces a FAT file system with said palm operating system which is an operating system of a type otherwise incapable of opening files having non-palm file formats.
Claim 3
Dependent Claim
21 words
A handheld computer of claim 1 further comprising an interface program disposed between said operating system and said file management software.
Claim 4
Dependent Claim
16 words
A handheld computer of claim 2 wherein said interface software is implemented as a shared library.
Claim 5
Dependent Claim
34 words
A handheld computer of claim 3 wherein said shared library permits manipulation of a stored file in a secondary storage media without a requirement to load said stored file into said permanent data storage.
Claim 6
Dependent Claim
13 words
A handheld computer of claim 4 wherein said permanent data storage is RAM.
Claim 7
Dependent Claim
15 words
A handheld computer of claim 4 wherein said permanent data storage is a flash memory.
Claim 8
Dependent Claim
27 words
A handheld computer of claim 3 wherein said shared library performs the functions of disk management, directory management, file access, file management, library management, and error handling.
Claim 9
Dependent Claim
37 words
A hand held computer of claim 7 wherein said shared library performs the functions of mapping a plurality of library function calls to a plurality of corresponding system trap instructions, through which all library routines are accessed.
Claim 10
Dependent Claim
19 words
A hand held computer of claim 8 wherein said handheld computer is a handheld telephone having a microprocessor therein.
Claim 11
Dependent Claim
19 words
A handheld computer of claim 8 wherein said handheld computer is a hand held scanner having a microprocessor therein.
Claim 12
Dependent Claim
19 words
A handheld computer of claim 1 wherein said handheld computer is a hand held telephone having a microprocessor therein.
Claim 13
Dependent Claim
18 words
A handheld computer of claim 1 wherein said handheld computer is a handheld scanner having a microprocessor therein.
Claim 14
Independent Claim
139 words
A method of manipulating files in a handheld computer, of the type which uses a palm operating system, the method comprising the steps of: providing a palm operating system driver for access by applications running on said handheld computer; said palm operating system driver including routines for interfacing a FAT file system with an operating system of the type otherwise incapable of opening non-palm file formats; providing a secondary storage media for storing files thereon in non-palm file formats; opening an application on said palm operating system with the use of permanent data storage directly accessible with the use of said palm operating system; and, opening a file from said secondary storage media, without loading said file into said permanent data storage directly accessible with the use of said palm operating system, by using said palm operating system driver.
Claim 15
Independent Claim
139 words
A method of manipulating files in a handheld computer, of the type which uses a palm operating system, the method comprising the steps of: providing a palm operating system driver for access by applications running on said handheld computer; said palm operating system driver including routines for interfacing a FAT file system with an operating system of the type otherwise incapable of opening non-palm file formats; providing a secondary storage media for storing files thereon in non-palm file formats; opening an application on said palm operating system with the use of permanent data storage directly accessible with the use of said palm operating system; and, opening a file from said secondary storage media, without loading said file into said permanent data storage directly accessible with the use of said palm operating system, by using said palm operating system driver.
Claim 16
Dependent Claim
17 words
A method of claim 13 wherein said handheld computer is a handheld telephone having a microprocessor therein.
Claim 17
Dependent Claim
86 words
An instruction set for use on a handheld computer, said instruction set including: operating system means for accessing palm operating system databases formatted in palm file formats; means for implementing an Ffs in a secondary storage media; means for interfacing said means for accessing palm operating system databases formatted In palm file formats with said means for implementing an Ffs in a secondary storage media; and wherein said means for accessing is of a type which is otherwise incapable of opening files having non-palm file formats.
Claim 18
Dependent Claim
86 words
An instruction set for use on a handheld computer, said instruction set including: operating system means for accessing palm operating system databases formatted in palm file formats; means for implementing an Ffs in a secondary storage media; means for interfacing said means for accessing palm operating system databases formatted In palm file formats with said means for implementing an Ffs in a secondary storage media; and wherein said means for accessing is of a type which is otherwise incapable of opening files having non-palm file formats.
Claim 19
Dependent Claim
16 words
An instruction set of claim 15 wherein said secondary storage media is a compact flash media.
Claim 20
Dependent Claim
15 words
An instruction set of claim 15 wherein said secondary storage media is a multimedia card.
Claim 21
Dependent Claim
15 words
An instruction set of claim 15 wherein said secondary storage media is a disk drive.
Claim 22
Dependent Claim
18 words
An instruction set of claim 15 wherein said handheld computer is a handheld telephone having a microprocessor therein.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2005-07-22 | 2006-01-21 | 2006-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2009-07-22 | 2010-01-21 | 2010-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2013-07-22 | 2014-01-21 | 2014-07-23 | $7700.00 | Window Closed / Lapsed |