DISC APPARATUS

Abstract

A disc apparatus capable of automatic loading to load a disc and to unload a disc includes a plurality of arms for supporting outer peripheral edges of two kinds of discs with different diameters so that two discs can be transported, a loading slider, a clamping head moved up and down a plurality of times to clamp a disc by the loading slider when the loading slider is repeatedly moved forward and backward and a spindle motor for rotating the clamping head, wherein the spindle motor is driven by driving force previously set in response to the kind of the inserted disc at a proper time of the clamping operation period and which period is a period before and/or after the loading slider is operated in the reverse direction to thereby rotate the disc at a predetermined angle.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a plan view showing a disc apparatus according to the related art;

FIG. 2 is a plan view showing a disc apparatus according to the related art;

FIGS. 3A, 3B and 3C are diagrams to which reference will be made in explaining forms of central holes of the discs according to the related art, respectively;

FIG. 4 is a perspective view showing a slot-in system disc apparatus according to an embodiment of the present invention;

FIG. 5 is a perspective view showing an arrangement of the inside of the disc apparatus show in FIG. 4;

FIG. 6 is a perspective view showing an arrangement of a drive mechanism of the disc apparatus shown in FIG. 4;

FIG. 7 is an exploded perspective view showing an arrangement of a loading slider;

FIG. 8 is an exploded perspective view showing arrangements of the loading slider and a guide plate;

FIG. 9 is an exploded perspective view showing an arrangement of a power transmission mechanism;

FIG. 10 is an exploded perspective view showing an arrangement of a gear disc;

FIG. 11 is a perspective view showing an arrangement of a rack slider;

FIG. 12 is a first process diagram useful for explaining a state in which a large-diameter disc is being transported;

FIG. 13 is a second process diagram useful for explaining a state in which a large-diameter disc is being transported;

FIG. 14 is a third process diagram useful for explaining a state in which a large-diameter disc is being transported;

FIG. 15 is a fourth process diagram useful for explaining a state in which a large-diameter disc is being transported;

FIG. 16 is a fifth process diagram useful for explaining a state in which a large-diameter disc is being transported;

FIG. 17 is a sixth process diagram useful for explaining a state in which a large-diameter disc is being transported;

FIG. 18 is a seventh process diagram useful for explaining a state in which a large-diameter disc is being transported;

FIG. 19 is a first process diagram useful for explaining a state in which a large-diameter disc is being transported;

FIG. 20 is a second process diagram useful for explaining a state in which a large-diameter disc is being transported;

FIG. 21 is a third process diagram useful for explaining a state in which a large-diameter disc is being transported;

FIG. 22 is a fourth process diagram useful for explaining a state in which a large-diameter disc is being transported;

FIG. 23 is a fifth process diagram useful for explaining a state in which a large-diameter disc is being transported;

FIG. 24 is a sixth process diagram useful for explaining a state in which a large-diameter disc is being transported;

FIG. 25 is a seventh process diagram useful for explaining a state in which a large-diameter disc is being transported;

FIG. 26 is a first process diagram useful for explaining a state in which a small-diameter disc is being transported;

FIG. 27 is a second process diagram useful for explaining a state in which a small-diameter disc is being transported;

FIG. 28 is a third process diagram useful for explaining a state in which a small-diameter disc is being transported;

FIG. 29 is a fourth process diagram useful for explaining a state in which a small-diameter disc is being transported;

FIG. 30 is a fifth process diagram useful for explaining a state in which a small-diameter disc is being transported;

FIG. 31 is a sixth process diagram useful for explaining a state in which a small-diameter disc is being transported;

FIG. 32 is a seventh process diagram useful for explaining a state in which a small-diameter disc is being transported;

FIG. 33 is a first process diagram useful for explaining a state in which a small-diameter disc is being transported;

FIG. 34 is a second process diagram useful for explaining a state in which a small-diameter disc is being transported;

FIG. 35 is a third process diagram useful for explaining a state in which a small-diameter disc is being transported;

FIG. 36 is a fourth process diagram useful for explaining a state in which a small-diameter disc is being transported;

FIG. 37 is a fifth process diagram useful for explaining a state in which a small-diameter disc is being transported;

FIG. 38 is a sixth process diagram useful for explaining a state in which a small-diameter disc is being transported;

FIG. 39 is a seventh process diagram useful for explaining a state in which a small-diameter disc is being transported;

FIGS. 40A to 40E are respectively process diagrams useful for explaining processes in which an elevation frame is being ascended;

FIGS. 41A to 41E are respectively process diagrams useful for explaining processes in which the elevation frame is descended;

FIGS. 42A, 42B and 42C are respectively diagrams useful for explaining modes in which a gear disc is operated;

FIGS. 43A to 43D are respectively process diagrams useful for explaining modes in which an arm is operated when the large-diameter disc is transported;

FIGS. 44A to 44D are respectively process diagrams useful for explaining modes in which a loading arm is operated;

FIGS. 45A to 45F are respectively process diagrams useful for explaining modes in which a loading slider and a follower pin are operated;

FIGS. 46A and 46B are respectively process diagrams showing states in which a lock lever functions;

FIG. 47 is a diagram useful for explaining operation modes of the present invention;

FIG. 48 is a diagram useful for explaining operation modes of the present invention;

FIGS. 49A to 49D are respectively diagrams useful for explaining functions of the present invention;

FIG. 50 is a plan view showing an arrangement of a main portion of the present invention;

FIG. 51 is a perspective view showing an arrangement of a main portion of the present invention in an enlarged-scale;

FIG. 52 is a plan view showing an arrangement of a main portion of the present invention;

FIG. 53 is a diagram showing states of signals generated when a large-diameter disc is loaded onto a disc apparatus; and

FIG. 54 is a diagram showing states of signals generated when a small-diameter disc is loaded onto a disc apparatus.

Claims

1. A disc apparatus capable of automatic loading to load a disc into the inside of the apparatus and to unload a disc accommodated within the apparatus to the outside of the apparatus comprising: a plurality of arms for supporting outer peripheral edges of two kinds of discs with different diameters so that said two discs can be transported;a loading slider;a clamping head moved up and down a plurality of times to clamp a disc by said loading slider when said loading slider is repeatedly moved forward and backward; anda spindle motor for rotating said clamping head, wherein said spindle motor is driven by driving force previously set in response to the kind of the inserted disc at a proper time of period when said clamping head clamps the disc and which period is a period before and/or after said loading slider is moved in the reverse direction to thereby rotate the disc at a predetermined angle.

2. A disc apparatus according to claim 1, wherein said driving force for driving said spindle motor is set based on a voltage value of a voltage applied to said spindle motor and/or duration of time in which a voltage is applied to said spindle motor.

3. A disc apparatus according to claim 1, further comprising a switch for identifying the kind of an inserted disc, wherein the driving force for driving said spindle motor is selected based on an output signal from said switch.

4. A disc apparatus capable of automatic loading to load a disc into the inside of the apparatus and to unload a disc accommodated within the apparatus to the outside of the apparatus comprising: a plurality of arms for supporting outer peripheral edges of two kinds of discs with different diameters so that said two discs can be transported;a chassis case;a loading slider;a clamping head moved up and down a plurality of times to clamp a disc by said loading slider when said loading slider is repeatedly moved forward and backward; anda spindle motor for rotating said clamping head, wherein when a clamping operation to move a disc away from a chassis case by lowering said clamping head after a disc was brought in contact with said chassis case by elevating said clamping head is carried out a plurality of times, said spindle motor for rotating said clamping head is driven by driving force previously set in response to the kind of an inserted disc to rotate a disc at a predetermined angle at a proper time of said clamping operation period and which is a period in which a disc is spaced apart from said chassis case.