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EP0158360A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Disc reproducing apparatus

Assignee: Yamaha Corp
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Filing: 1985-04-11
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Granted: —
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Expires: 2005-04-11
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Abstract

Abstract A disc reproducing apparatus for reproducing a disc which is received in a disc case, and on which optical information data are recorded The disc case can be set into the reproducing apparatus with the disc received in the disccase. When set into the reproducing apparatus, while the disc case is fixed in position within the reproducing apparatus, the disc is driven in roatation and thus the optical information data are reproduced by the reproducing apparatus.

Inventors

  • 👤 Takuya Tamaru
  • 👤 Mikio Ogusu

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-03 08:43
CPC Classifications
G; G11; G11B; G11B17/00; G11B17/02; G11B17/04; G11B17/041; G11B17/022; G11B17/028; G11B17/03

Claims Analysis

Total Claims: 17
Claim 1
Independent Claim 86 words
A disc reproducing apparatus for reproducing a disc on which optical information data are recorded and which is received in a disc case, said reproducing apparatus being able to receive said disc case with said disc received in said disc case, wherein when said reproducing apparatus receives said disc case with the disc, while said reproducing apparatus holds said disc case in a fixed position to the reproducing'apparatus within said reproducing apparatus, said reproducing apparatus drives said disc in rotation and reproduces said optical information data.
Claim 2
Dependent Claim 86 words
A disc reproducing apparatus for reproducing a disc on which optical information data are recorded and which is received in a disc case, said reproducing apparatus being able to receive said disc case with said disc received in said disc case, wherein when said reproducing apparatus receives said disc case with the disc, while said reproducing apparatus holds said disc case in a fixed position to the reproducing'apparatus within said reproducing apparatus, said reproducing apparatus drives said disc in rotation and reproduces said optical information data.
Claim 3
Dependent Claim 34 words
A disc reproducing apparatus according to Claim 1, wherein said reproducing apparatus comprises a turntable which engages said disc through an insert opening of said disc case, said turntable driving said disc in rotation.
Claim 4
Dependent Claim 40 words
A disc reproducing apparatus according to Claim 1, wherein said reproducing apparatus comprises a turntable which engages a sub-turntable which is arranged within said disc case and engages said disc, said turntable driving said disc in rotation via said sub-turntable.
Claim 5
Dependent Claim 42 words
A disc reproducing apparatus according to Clain; 2, wherein said reproducinq apparatus comprises a pick-up head which accesses said disc through an aperture of said disc case, said optical information data recorded on said disc being optically reproduced by said pick-up head.
Claim 6
Dependent Claim 42 words
A disc reproducing apparatus according to Clain; 2, wherein said reproducinq apparatus comprises a pick-up head which accesses said disc through an aperture of said disc case, said optical information data recorded on said disc being optically reproduced by said pick-up head.
Claim 7
Dependent Claim 29 words
A disc reproducing apparatus according to Claim 4, wherein said reproducing apparatus comprises a disc case holder which holds detachably said disc case in position within said reproducing apparatus.
Claim 8
Dependent Claim 40 words
A disc reproducing apparatus according to Claim 4, wherein said reproducing apparatus comprises a pressing member wich forces said disc in said disc case toward said turntable so that a torque can be transmitted from said turntable to said disc.
Claim 9
Dependent Claim 37 words
A disc reproducing apparatus according to Claim 4, wherein said reproducing apparatus comprises a pressing member which forces said disc case toward said turntable so that said disc in said disc case is forced toward said turntable.
Claim 10
Dependent Claim 61 words
A disc reproducing apparatus according to Claim 5, wherein said disc case holder comprises a tray which is retractable and drawable to a room of said reproducing apparatus and on which a disc case resting portion is provided, said tray carrying said disc case between a position out of said reproducing apparatus and a determined position inside of said reproducing apparatus.
Claim 11
Dependent Claim 42 words
A disc reproducing apparatus according to Claim 4, wherein said reproducing apparatus comprises a disc case carrying mechanism which carries said disc case in cooperation with said disc case so that said reproducing apparatus is loaded or unloaded with said disc case.
Claim 12
Dependent Claim 35 words
A disc reproducing apparatus according to Claim 9, wherein said disc case carrying mechanism comprises a pinion which carries said disc case in cooperation with a rack formed on the surface of said disc case.
Claim 13
Dependent Claim 36 words
A disc reproducing apparatus according to Claim 10, wherein said disc case carrying mechanism further comprises: driving means for driving said pinion, and a clutch mechanism which is interposed between said driving means and said pinion.
Claim 14
Dependent Claim 35 words
A disc reproducing appaiatus according to Claim 9, wherein said disc case carrying mechanism comprises a guide member which guides to carry said disc case in cooperation with the guide groove of said disc case.
Claim 15
Dependent Claim 59 words
A disc reproducing apparatus according to Claim 10, wherein said disc case carrying mechanism further comprises a guide member which guides to carry said disc case in cooperation with the guide groove of said disc case, and wherein said rack is formed on the base of said guide groove, said pinion engaging with said rack in said guide groove.
Claim 16
Dependent Claim 49 words
A disc reproducing apparatus according to Claim 9, wherein said disc case carrying mechanism comprises a disc case position sensor which, senses a sensing part formed on said disc case so that a positioning of said disc case in the determined position is detected when carrying said disc case.
Claim 17
Dependent Claim 42 words
A Disc reproducing apparatus according to Claim 14, wherein said disc case position sensor is constructed as a switch-having an actuator which is actuated by said sensing part formed on said disc case, said switch being disposed fixedly inside said reproducing apparatus.

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