Patent EP0431590A2 successfully refreshed from Google Patents.
EP0431590A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
A CD-ROM retrieval apparatus
Assignee: Hitachi Ltd
•
Filing: 1990-12-05
•
Granted: —
•
Expires: 2010-12-05
Abstract
Abstract The invention relates to a portable CD-ROM retrieval apparatus, wherein a CD-ROM drive for loading a CD medium, a display for displaying characters and images, a directing section for 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. It can calculate and display statistical information which depends on frequency of data access to the CD medium. <IMAGE>
Inventors
- 👤 Tamotsu Ito
- 👤 Toshiyuki Oda
- 👤 Takashi Takeuchi
- 👤 Shiyouichirou Funato
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-06 12:48
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: 22
Claim 1
Independent Claim
75 words
A CD-ROM retrieval apparatus comprising: A CD-ROM drive for loading a CD medium; a display for displaying characters and images; a directing means for operation; an audio means for producing sounds; and a control means; wherein the CD-ROM drive, the display, the directing means, and the audio means are connected to the control section, and at least the CD-ROM drive, the display, the audio means, and the control means are housed in a single cabinet.
Claim 2
Dependent Claim
34 words
A CD-ROM retrieval apparatus as set forth in Claim 1, further comprising: A data storage for storing data from at least said CD-ROM drive; wherein the data storage is connected to the control section.
Claim 3
Dependent Claim
23 words
A CD-ROM retrieval apparatus as set forth in Claim 1, further comprising: A video output terminal for connection with an external video display.
Claim 4
Dependent Claim
23 words
A CD-ROM retrieval apparatus as set forth in Claim 1, further comprising: An audio output terminal for connection with an external audio apparatus.
Claim 5
Dependent Claim
23 words
A CD-ROM retrieval apparatus as set forth in Claim 1, wherein the CD-ROM drive has an arrangement for loading an audio CD disk.
Claim 6
Dependent Claim
30 words
A CD-ROM retrieval apparatus as set forth in Claim 1, wherein the control means has a television tuner unit, and the display is constructed to display a color television picture.
Claim 7
Dependent Claim
24 words
A CD-ROM retrieval apparatus as set forth in Claim 1, wherein the directing means is arranged in vicinity to a center of gravity thereof.
Claim 8
Dependent Claim
22 words
A CD-ROM retrieval apparatus as set forth in Claim 1, wherein the directing means is arranged on a side or sides thereof.
Claim 9
Dependent Claim
36 words
A CO-ROM retrieval apparatus as set forth in Claim 1, wherein the display is arranged on a side where the CD medium of the CD-ROM drive is loaded, thereby also serving for covering the CD-ROM drive.
Claim 10
Dependent Claim
29 words
A CD-ROM retrieval apparatus as set forth in Claim 1, wherein the display provides for displaying menu for retrieving data, and the directing means provides for selecting menu items.
Claim 11
Dependent Claim
20 words
A CD-ROM retrieval apparatus as set forth in Claim 1, wherein the display provides for displaying a plurality of features.
Claim 12
Dependent Claim
32 words
A CD-ROM retrieval apparatus as set forth in Claim 1, wherein the display provides for displaying an image data file compressed in a look-up table way with use of a look-up table.
Claim 13
Dependent Claim
32 words
A CD-ROM retrieval apparatus as set forth in Claim 1, wherein the audio means can decode an audio data file compressed in an ADPCM (adaptive differential pulse code modulation) way to output.
Claim 14
Dependent Claim
26 words
A CD-ROM retrieval apparatus as set forth in Claim 1, wherein the display comprises a color liquid crystal display, and the directing means comprised a joypad.
Claim 15
Dependent Claim
25 words
A CD-ROM retrieval apparatus as set forth in Claim 2, wherein the data storage can store a key information therein input by the directing means.
Claim 16
Dependent Claim
25 words
A CD-ROM retrieval apparatus as set forth in Claim 2, wherein an input can be reproduced by the key information stored in the data storage.
Claim 17
Dependent Claim
22 words
A CD-ROM retrieval apparatus as set forth in Claim 2, further comprising: Counting means for creating a retrieving information of retrieved data.
Claim 18
Dependent Claim
24 words
A CD-ROM retrieval apparatus as set forth in Claim 2, further comprising: Means for statistical process on the basis of the retrieving information created.
Claim 19
Dependent Claim
24 words
A CD-ROM retrieval apparatus as set forth in Claim 2, wherein the data storage can store the retrieving information or the statistical information therein.
Claim 20
Dependent Claim
24 words
A CD-ROM retrieval apparatus as set forth in Claim 2, wherein the display can display the retrieving information stored and the statistical information stored.
Claim 21
Dependent Claim
27 words
A CD-ROM retrieval apparatus as set forth in Claim 2, wherein the retrieved data can be overlapped with the retrieving information related to the data as displayed.
Claim 22
Dependent Claim
24 words
A CD-ROM retrieval apparatus as set forth in Claim 2, wherein the displayed data can be changed in color depending on frequency of retrieval.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.