Patent US452974A successfully refreshed from Google Patents.
Patent US5189656A successfully refreshed from Google Patents.
US5189656A
Expired / Lapsed
US
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Control system for a compact disk player
Assignee: Pioneer Corp
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Filing: 1992-03-10
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Granted: 1993-02-23
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Expires: 2012-03-10
Abstract
Abstract A compact disk player has a magazine containing a plurality of disks. Identification data, about a last disk which has been played before the stop of the playing of the disk, is detected. A memory is provided for storing the detected identification data. The last disk, data of which is stored in the memory, is played at the next time by operating a stop key.
Inventors
- 👤 Naoki Masaki
- 👤 Osamu Hira
- 👤 Naoki Shimada
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 04:02
CPC Classifications
G; G11; G11B; G11B23/00; G11B23/38; G11B23/40; G11B19/00; G11B19/02; G11B19/12; G11B25/00; G11B25/04; G11B25/043; G11B27/00; G11B27/002; G11B27/10; G11B27/102; G11B27/105; G11B27/11; G11B2220/00; G11B2220/20; G11B2220/25; G11B2220/2537; G11B2220/2545; G11B2220/80; G11B2220/90
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
176 words
A control system for a compact disk player having a magazine containing a plurality of disks and operating keys including a play key for playing a disk and a stop key for stopping the playing of said disk, the control system comprising: detector means, responsive to operation of the stop key, for detecting an identification of a last disk which has been played immediately before operation of the stop key; memory means for storing the detected identification of the last disk; determining means for determining if the play key has been operated after the operation of the stop key; reading means, responsive to the determining means, for reading the identification stored in the memory means when only the play key is operated after operation of the stop key; and playing means, responsive to the read out identification from the reading means, for replaying the last disk in accordance with the identification from the reading means therein enabling repeated playing of the last disk when only said play key is operated after operation of the stop key.
Claim 2
Dependent Claim
176 words
A control system for a compact disk player having a magazine containing a plurality of disks and operating keys including a play key for playing a disk and a stop key for stopping the playing of said disk, the control system comprising: detector means, responsive to operation of the stop key, for detecting an identification of a last disk which has been played immediately before operation of the stop key; memory means for storing the detected identification of the last disk; determining means for determining if the play key has been operated after the operation of the stop key; reading means, responsive to the determining means, for reading the identification stored in the memory means when only the play key is operated after operation of the stop key; and playing means, responsive to the read out identification from the reading means, for replaying the last disk in accordance with the identification from the reading means therein enabling repeated playing of the last disk when only said play key is operated after operation of the stop key.
Claim 3
Dependent Claim
21 words
The system according to claim 1 wherein the identification includes data for the magazine, a CD number and a music number.
Claim 4
Dependent Claim
31 words
The system according to claim 1 further comprising a magazine identification provided on the magazine, and said detector means including detecting means for detecting the magazine identification of a last magazine.
Claim 5
Dependent Claim
25 words
The system according to claim 1 further comprising clear means for clearing the memory means when the magazine is removed from the compact disk player.
Claim 6
Dependent Claim
33 words
The system according to claim 3 wherein the magazine identification is a bar code provided on the magazine for identifying the magazine, and the detecting means is arranged to read the bar code.
Claim 7
Dependent Claim
15 words
The system according to claim 1 wherein the memory means is provided on the magazine.
Claim 8
Dependent Claim
28 words
The system according to claim 6 further comprising recording means for recording data on a magnetic recording sheet when the magazine is removed from the compact disk player.
Claim 9
Dependent Claim
49 words
The system according to claim 7, wherein the memory means is the magnetic recording sheet attached to the magazine and the reading means and the recording means is formed by a magnetic head for recording the identification data on the magnetic recording sheet and for reading the recorded data.
References Cited (Backward Citations)
US4706233A
Cited
US4899326A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-02-23 | 1996-08-24 | 1997-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-02-23 | 2000-08-24 | 2001-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-02-23 | 2004-08-24 | 2005-02-23 | $7700.00 | Window Closed / Lapsed |