Claims
- 1. A disk recording and/or reproducing apparatus comprising:
- a tray supported by an apparatus body housing a disk rotating mechanism, wherein said tray is movable between a projected position projecting from said apparatus body through an opening portion provided through said apparatus body and a housing position within said apparatus body;
- a turntable rotatably fitted to said tray and having a plurality of disk housing portions for housing a plurality of disks along a periphery thereof;
- a first operating mechanism for permitting said disk rotating mechanism to perform an operation for chucking said disk in a ganged relation with movement of said tray from said projected position to said housing position, said first operating mechanism comprising a main gear driven by a single driving source and a rotary lifting and lowering mechanism driven by said main gear for lifting and lowering a disk driving unit of said disk rotating mechanism relative to a gripping portion of said disk rotating mechanism, said main gear forming part of a first gear train;
- a second operating mechanism for moving said tray from said housing position to said projected position while said disk rotating mechanism chucks said disk, wherein said second operating mechanism is formed of a second gear train which is also driven by said single driving source, and said first gear train and said second gear train are selectively driven by changing a direction of rotation of said single driving source; and
- a rotation stopping mechanism for stopping rotation of said lifting and lowering mechanism during operation of said second operating mechanism.
- 2. The disk recording and/or reproducing apparatus according to claim 1, wherein said first operating mechanism comprises a reverse gear driven by said main gear for inserting and ejecting said tray and said reverse gear comprises a rack-side gear for engagement with a rack portion provided in said tray and input-side gear for engaging with a reverse-side gear provided in said main gear, being arranged such that an angle of a tooth of said rack-side gear and an angle of a tooth of said input-side gear are equal to each other.
- 3. The disk recording and/or reproducing apparatus according to claim 1, further comprising a locking mechanism for preventing said tray located in said projected position from being moved by said second operating mechanism to said housing position when said disk is brought in a chucked state by said disk rotating mechanism and said housing portion for housing said disk chucked by said disk rotating mechanism is rotated and changed in position.
- 4. The disk recording and/or reproducing apparatus according to claim 3, wherein said locking mechanism comprises said main gear rotated by said single driving source and a locking lever rocked by said main gear for being engaged with said tray.
- 5. A disk recording and/or reproducing apparatus comprising:
- a tray supported by an apparatus body housing a disk rotating mechanism for moving said tray between a projected position projecting from said apparatus body through an opening portion provided through said apparatus body and a housing position within said apparatus body;
- a turntable rotatably fitted to said tray and having a plurality of disk housing portions for housing a plurality of disks along a periphery thereof;
- a first operating mechanism for permitting said disk rotating mechanism to perform an operation for chucking said disk in a ganged relation with movement of said tray from said projected position to said housing position;
- a second operating mechanism for moving said tray from said housing position to said projected position while said disk rotating mechanism chucks said disk, wherein said first operating mechanism comprises a main gear forming part of a first gear train and rotated by a single driving source and a rotary lifting and lowering member driven by said main gear for lifting and lowering a disk driving unit of said disk rotating mechanism relative to a gripping portion of said disk rotating mechanism; and
- a rotation stopping mechanism for stopping rotation of said lifting and lowering member when said disk driving unit reaches a lowered position during operation of said second operating mechanism.
- 6. A disk recording and/or reproducing apparatus comprising:
- a disk recording and/or reproducing unit;
- a tray supported by an apparatus body housing said disk recording and/or reproducing unit for movement between a projected position projected from said apparatus body through an opening portion provided through said apparatus body and a housing position within said apparatus body;
- a turntable rotatably fitted to said tray and having a plurality of disk housing portions for housing a respective plurality of disks along a periphery thereof;
- a lifting and lowering unit for lifting and lowering said disk recording and/or reproducing unit between a lifted position where an information signal is recorded or reproduced thereby on or from a carried disk and a lowered position which is effected while said disk is carried by said tray;
- a table locking mechanism for restricting rotation of said turntable when said disk recording and/or reproducing unit is lifted by said lifting and lowering unit to said lifted position;
- a lifting and lowering unit locking mechanism for locking said lifting and lowering unit in a fixed position when said tray is moved from said housing position;
- a first motor for driving a first gear train in a first direction of rotation for moving said tray between said projected position and said housing position and for driving a second gear train in a second direction of rotation for operating said lifting and lowering unit to the lifted position; and
- a second motor for rotating said turntable.
- 7. The disk recording and/or reproducing apparatus according to claim 6, wherein said table locking mechanism comprises a projected engaging portion provided in one of said turntable and said disk recording and/or reproducing unit and a concave engaging portion provided in the other thereof.
- 8. A disk recording and/or reproducing apparatus comprising:
- a disk recording and/or reproducing unit having a pickup provided so that it can be moved in a radius direction of a disk;
- a tray supported by an apparatus body housing said disk recording and/or reproducing unit, wherein said tray is movable between a projected position projecting from said apparatus body through an opening portion provided through said apparatus body and a housing position within said apparatus body;
- a first motor;
- a turntable rotatable fitted to said tray and having a plurality of disk housing portions for housing a respective plurality of disks along a periphery thereof, said turntable being rotated by said first motor;
- a second motor;
- a driving mechanism including a first gear train driven by said second motor rotating in a first direction for moving said tray between said projected position and said housing position;
- a lifting and lowering unit including a second gear train driven by said second motor rotating in a second direction for lifting and lowering said disk recording and/or reproducing unit between a lifted position where an information signal is recorded or reproduced by said pickup on or from a carried disk and a lowered position which is effected while said disk is carried by said tray, wherein
- said disk recording and/or reproducing unit is disposed at a position displaced from a movement locus of a rotation center of said turntable in said apparatus body; and
- a locking mechanism for locking said lifting and lowering unit in a fixed position when said driving mechanism drives said tray from said housing position.
- 9. The disk recording and/or reproducing apparatus according to claim 8, wherein at a rear side of said tray, there is formed a notch portion which is so large that said pickup can be moved in a radius direction of a disk.
- 10. The disk recording and/or reproducing apparatus according to claim 9, wherein each of said plurality of housing portions of said turntable is formed at a position which is radially located relative to a rotation center of said turntable, a notch portion is formed along a movement locus in a disk radius direction of said housing portions and said notch portion is formed so that a longitudinal direction of said notch portion is inclined at a predetermined angle relative to a radial line whose center is said rotation center of said turntable.
- 11. The disk recording and/or reproducing apparatus according to claim 10, wherein said notch portion of the housing portions is formed so as to be positioned outwardly from a center of said housing portion and an outer side of said notch portion has an open end.
- 12. The disk recording and/or reproducing apparatus according to claim 11, wherein of said plurality of housing portions of said turntable, a longitudinal direction of a notch portion of a housing portion positioned so as to be opposed to said disk recording and/or reproducing unit is aligned with a longitudinal direction of a notch portion of said tray.
- 13. The disk recording and/or reproducing apparatus according to claim 9, wherein each of said plurality of housing portions of said turntable is formed at a position radially located relative to said rotation center of said turntable, a notch portion is formed along a movement locus in a disk radius direction of said pickup in each of said housing portions, and said notch portion is formed so that a longitudinal direction of said notch portion should be parallel to a moving direction of said tray between said projected position and said housing position when said tray is located at said housing position.
- 14. The disk recording and/or reproducing apparatus according to claim 13, wherein said notch portion is formed so as to be directed outwardly from a center of said housing portion, and an outer side of said notch portion is made so as to be an open end.
- 15. The disk recording and/or reproducing apparatus according to claim 14, wherein of said plurality of housing portions of said turntable, a longitudinal direction of a notch portion of a housing portion positioned so as to be opposed to said disk recording and/or reproducing unit is aligned with a longitudinal direction of a notch portion of said tray.
- 16. A disk recording and/or reproducing apparatus comprising:
- a disk recording and/or reproducing unit having a pickup provided so that it can be moved in a radius direction of a disk;
- a tray supported by an apparatus body housing said disk recording and/or reproducing unit, wherein said tray is moveable between a projected position projecting from said apparatus body through an opening portion provided through said apparatus body and a housing position within said apparatus body;
- a turntable rotatably fitted to said tray and having a plurality of disk housing portions for housing a plurality of disks along a periphery thereof;
- a lifting and lowering member for lifting and lowering said disk recording and/or reproducing unit between a lifted position where an information signal is recorded or reproduced by said pickup on or from a carried disk and a lowered position which is effected while said disk is carried by said tray;
- an operating mechanism including a first gear train for moving said tray between said projected position and said housing position and a second gear train for driving said lifting and lowering member and for locking said tray at said housing position;
- a locking mechanism for locking said lifting and lowering member in a fixed position when said tray is moved from said housing position;
- a first motor provided in said apparatus body for driving said first gear train in a first rotational direction and for driving said second gear train in a second rotational direction; and
- a second motor provided on said tray for rotating said turntable.
- 17. A disk recording and/or reproducing apparatus comprising:
- a disk recording and/or reproducing unit having a pickup provided so that it can be moved in a radius direction of a disk;
- a tray supported by an apparatus body housing said disk recording and/or reproducing unit, wherein said tray is moveable between a projected position projecting from said apparatus body through an opening portion provided through said apparatus body and a housing position within said apparatus body;
- a turntable rotatably fitted to said tray and having a plurality of disk housing portions for housing a plurality of disks along a periphery thereof;
- a lifting and lowering member for lifting and lowering said disk recording and/or reproducing unit between a lifted position where an information signal is recorded or reproduced by said pickup on or from a carried disk and a lowered position which is effected while said disk is carried by said tray;
- a loading motor;
- an operating mechanism including a first gear train and a second gear train, said first gear train being driven by said loading motor operating in a first direction for moving said tray from said housing position to said projected position and for locking said lifting and lowering member in a fixed position and said loading motor operating in a second direction for moving said tray from said projected position to said housing position and driving said second gear train for moving said lifting and lowering member;
- control means for issuing commands to operate said disk recording and/or reproducing unit, wherein
- when a command from said control means to move said tray from said housing position to said projected position is issued during the recording and/or reproduction of said information signal on and/or from said disk by said pickup, said loading motor is rotated in said first direction to thereby lock the lifting and lowering member in the lifted position and to move said tray in a direction to said projected position; and
- a second motor for rotating said turntable.
- 18. A disk recording and/or reproducing apparatus comprising:
- a disk recording and/or reproducing unit having a pickup provided so that it can be moved in a radius direction of a disk;
- a tray supported by an apparatus body housing said disk recording and/or reproducing unit, wherein said tray is moveable between a projected position projecting from said apparatus body and a housing position in said apparatus body through an opening portion provided through said apparatus body;
- a first motor;
- a turntable rotatably fitted to said tray and having a plurality of disk housing portions for housing n pieces (where n is an odd number equal to or greater than 3) of disks along a periphery thereof, said turntable rotated by said first motor;
- detecting means for detecting positions of said n pieces of disk housing portions formed in said turntable;
- a second motor;
- a driving mechanism including first and second gear trains driven by said second motor for moving said tray between said projected position and said housing position;
- a lifting and lowering unit for lifting and lowering said disk recording and/or reproducing unit between a lifted position where an information signal is recorded or reproduced by said pickup on or from a carried disk and a lowered position which is effected while said disk is carried by said tray and being driven by said second gear train and said second motor; and
- a locking mechanism for locking the lifting and lowering unit into a fixed position when the tray is moved from the housing position, wherein
- said detecting means is formed in said turntable and consists of a first detected portion used for detecting said n pieces of disk housing portions, a second detected portion used for detecting positions between adjacent disk housing portions and a detecting unit for detecting said first detected portion and said second detected portion,
- said disk recording and/or reproducing unit is disposed at a position displaced from a movement locus of a rotation center of said turntable in said apparatus body.
- 19. The disk recording and/or reproducing apparatus according to claim 18, wherein a resolving power of said first detected portion is made higher than that of said second detected portion.
- 20. The disk recording and/or reproducing apparatus according to claim 18, wherein said first detected portion is provided at a position corresponding to each of said housing portions, said second detected portion is provided between said adjacent first detected portions and said first detected portion and said second detected portion are alternately provided.
- 21. The disk recording and/or reproducing apparatus according to claim 18, wherein said apparatus is arranged such that said turntable is rotated by a predetermined angle on the basis of a detection output from said detecting unit which detected said second detected portion of said turntable upon movement of said tray to said projected position.
Priority Claims (2)
Number |
Date |
Country |
Kind |
5-045336 |
Mar 1993 |
JPX |
|
6-032641 |
Mar 1994 |
JPX |
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Parent Case Info
This is a continuation of application Ser. No. 08/318,749, filed as PCT/JP94/00355 Mar. 7, 1994 published as WO94/20959 Sep. 15, 1994, now abandoned.
US Referenced Citations (12)
Foreign Referenced Citations (3)
Number |
Date |
Country |
62-257667 |
Nov 1987 |
JPX |
3-88170 |
Apr 1991 |
JPX |
04-2356 |
Jan 1992 |
JPX |
Continuations (1)
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Number |
Date |
Country |
Parent |
318749 |
Oct 1994 |
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