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US5499221A
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CD-ROM retrieval apparatus
Assignee: Hitachi Ltd
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Filing: 1993-12-16
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Granted: 1996-03-12
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Expires: 2013-12-16
Abstract
Abstract A portable CD-ROM retrieval apparatus, is provided wherein a CD-ROM drive for loading a CD medium, a display for displaying characters and images, an input specifying section for specifying a desired input operation, an audio section for producing sounds, and a data storage for storing data from the CD-ROM drive and the like are connected together through a control section, these devices being housed in a single cabinet. In accordance with one feature, the apparatus can calculate and display statistical information which depends on frequency of data access to the CD medium.
Inventors
- 👤 Tamotsu Ito
- 👤 Toshiyuki Oda
- 👤 Takashi Takeuchi
- 👤 Shiyouichirou Funato
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:52
CPC Classifications
G; G01; G01C; G01C21/00; G01C21/26; G01C21/34; G01C21/36; G01C21/3667; G11; G11B; G11B19/00; G11B19/02; G11B27/00; G11B27/10; G11B27/102; G11B27/105; G11B27/34; G11B2220/00; G11B2220/20; G11B2220/21; G11B2220/213; G11B2220/25; G11B2220/2537; G11B2220/2545
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
249 words
A CD-ROM (Compact Disk-Read Only Memory) retrieval apparatus comprising: a CD-ROM drive for loading a CD medium; a display for displaying characters and images; input specifying means for specifying a desired input operation; audio means for producing sounds; means for retrieving information in said CD medium; storage means for storing a sequence of data which indicates accessing information of each retrieving operation performed by said retrieving means, said accessing information including the time of day at which accessing occurs, the time of day at which the last accessing occurred and kind of information to be retrieved in each retrieving operation based upon said desired input operation performed by said input specifying means; counting means for counting the number of the retrieving operations for each kind of information to be retrieved; and means for providing the accessing information and the number of previous retrieving operations to provide history of previous retrieving operations for evaluating the retrieved information from said CD medium, wherein the CD-ROM drive, the display, the input specifying means, the audio means, the retrieving means, the storage means and the providing means are connected to a control means for controlling the CD-ROM drive, the display, the input specifying means, the audio means, the retrieving means, the storage means and the providing means to perform their respective operations, and wherein at least the CD-ROM drive, the display, the audio means, the retrieving means, the storage means, the providing means and the control means are housed in a single cabinet.
Claim 2
Dependent Claim
249 words
A CD-ROM (Compact Disk-Read Only Memory) retrieval apparatus comprising: a CD-ROM drive for loading a CD medium; a display for displaying characters and images; input specifying means for specifying a desired input operation; audio means for producing sounds; means for retrieving information in said CD medium; storage means for storing a sequence of data which indicates accessing information of each retrieving operation performed by said retrieving means, said accessing information including the time of day at which accessing occurs, the time of day at which the last accessing occurred and kind of information to be retrieved in each retrieving operation based upon said desired input operation performed by said input specifying means; counting means for counting the number of the retrieving operations for each kind of information to be retrieved; and means for providing the accessing information and the number of previous retrieving operations to provide history of previous retrieving operations for evaluating the retrieved information from said CD medium, wherein the CD-ROM drive, the display, the input specifying means, the audio means, the retrieving means, the storage means and the providing means are connected to a control means for controlling the CD-ROM drive, the display, the input specifying means, the audio means, the retrieving means, the storage means and the providing means to perform their respective operations, and wherein at least the CD-ROM drive, the display, the audio means, the retrieving means, the storage means, the providing means and the control means are housed in a single cabinet.
Claim 3
Dependent Claim
33 words
A CD-ROM (Compact Disk-Read Only Memory) retrieval apparatus according to claim 1, wherein said accessing information includes the date at which the accessing occurs and the date at which the last accessing occurred.
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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) | 1999-03-12 | 1999-09-11 | 2000-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-03-12 | 2003-09-11 | 2004-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-03-12 | 2007-09-11 | 2008-03-12 | $7700.00 | Window Closed / Lapsed |