Optical disk device

Abstract

The present invention includes a frame, an optical pick-up module fixed to the frame and a circuit board forming a control circuit fixed to the frame. The frame has fixing parts to other members.

1 . An optical disk device disposed in an electronic device, said optical disk device comprising: 
 a frame;    fixing parts for directly fixing the frame to the electronic device;    an optical pick-up module fixed to the frame, for reading an optical disk to be mounted on the frame; and    a circuit board including a control circuit, said circuit board being fixed to the frame,    wherein a braking unit is provided on at least one of the frame and the control board, and the braking unit is positioned to be adjacent to the periphery of the optical disk when mounted on the frame.    
   
   
       2 . The optical disk device according to  claim 1 , wherein the braking unit includes a contact member mounted to be capable of moving, and a surface of the contact member is positioned to be adjacent to the periphery of the optical disk when mounted on the frame.  
   
   
       3 . The optical disk device according to  claim 2 , wherein the contact member is mounted to move along an axis of movement, and said surface of the contact member is inclined relative to a plane that is perpendicular to said axis.  
   
   
       4 . The optical disk device according to  claim 3 , wherein said surface of the contact member is further inclined relative to the surface of the optical disk when mounted on the frame.  
   
   
       5 . The optical disk device according to  claim 3 , wherein said surface of the contact member is oriented so as to be non-parallel with a tangent of the edge of the optical disk at a contact region between the contact member and the optical disk when the optical disk is mounted on the frame.  
   
   
       6 . The optical disk device according to  claim 4 , wherein said surface of the contact member is oriented so as to be non-parallel with a tangent of the edge of the optical disk at a contact region between the contact member and the optical disk when the optical disk is mounted on the frame.  
   
   
       7 . The optical disk device according to  claim 2 , wherein the braking unit further includes a resilient member for pushing out the contact member so as to press against the optical disc when mounted on the frame.  
   
   
       8 . The optical disk device according to  claim 7 , wherein a pressing force of the resilient member against the contact member has a weight of about 10 g.  
   
   
       9 . The optical disk device according to  claim 3 , wherein the movable range of the contact member is from 58.5 mm to 61.5 mm.  
   
   
       10 . The optical disk device according to  claim 3 , wherein said surface of the contact member has a length of from 4 mm to 10 mm in a direction parallel with the surface of the optical disk mounted on the frame.  
   
   
       11 . The optical disk device according to  claim 3 , wherein the surface of the contact member has a length of from 4 mm to 10 mm in a direction perpendicular to the surface of the optical disk mounted on the frame.  
   
   
       12 . The optical disk device according to  claim 2 , wherein the braking unit further includes a motor that is fixed to the frame and rotates the optical disk mounted on the frame, and the contact member faces a rotational center of the motor.  
   
   
       13 . The optical disk device according to  claim 2 , wherein the braking unit further includes a casing member housing the braking unit.  
   
   
       14 . The optical disk device according to  claim 13 , wherein the casing member is formed integrally with the frame.  
   
   
       15 . The optical disk device according to  claim 13 , wherein the casing member has an opening part opening to the optical pick-up module, and the contact member is mounted so as to move through the opening part.  
   
   
       16 . The optical disk device according to  claim 1 , wherein the braking unit is caused to move by an external unit.  
   
   
       17 . The optical disk device according to  claim 16 , wherein the external unit is provided with the electronic device, and the braking unit moves according to a motion of the eternal unit when detaching the optical disk from the electronic device.  
   
   
       18 . The optical disk device according to  claim 1  further comprising a switch provided on at least one of the circuit board and the frame, said switch for detecting whether or not the disk cover covers said optical disk device.  
   
   
       19 . The optical disk device according to  claim 1 , wherein the frame is formed so as to have a gap between the frame and the optical disk when mounted on the frame.  
   
   
       20 . The optical disk device according to  claim 1  further comprising an ejection unit provided on at least one of the circuit board and the frame, said ejection unit for ejecting the optical disk mounted on the frame.  
   
   
       21 . The optical disk device according to  claim 20 , wherein at least a part of the fixing parts to other members provided in the frame has a form capable of being screwed.  
   
   
       22 . The optical disk device according to  claim 20 , wherein at least a part of the fixing parts to other members provided in the frame has a form capable of being ultrasonic welded or thermally welded.  
   
   
       23 . The optical disk device according to claim  20 , wherein at least a part of the fixing parts to other members provided in the frame has a form capable of being fixed by an adhesive agent and at least a part of the fixing parts can be fixed by the adhesive agent or can be fixed by using an adhesive material and other connecting means to the other members.  
   
   
       24 . The optical disk device according to  claim 20 , wherein at least a part of the fixing parts to other members provided in the frame has a form capable of being engaged between the fixing part and the corresponding fixing part of other members.  
   
   
       25 . The optical disk device according to  claim 20 , wherein at least a part of the fixing parts to other members provided in the frame is provided integrally with the frame.  
   
   
       26 . The optical disk device according to  claim 20 , wherein at least a part of the fixing parts to other members provided in the frame comprises another member made of the same material as that of the frame or a different material from that of the frame and attached to a prescribed position of the frame.  
   
   
       27 . The optical disk device according to  claim 20 , wherein at least a part of the fixing parts to other members provided in the frame has a substantially planar part and the substantially planar part of the fixing part is substantially parallel to the surface of the frame.  
   
   
       28 . The optical disk device according to  claim 20 , wherein at least a part of the fixing parts to other members provided in the frame has a substantially planar part and the substantially planar part of the fixing part is substantially perpendicular to the surface of the frame.  
   
   
       29 . The optical disk device according to  claim 20 , wherein at least a part of the fixing parts to other members provided in the frame is provided in the outer peripheral part of the frame.  
   
   
       30 . The optical disk device according to  claim 20 , wherein the fixing parts to other members provided in the frame, are disposed at two to ten positions.  
   
   
       31 . An optical disk device disposed in an electronic device, said optical disk device comprising: 
 a frame;    fixing parts for directly fixing the frame to the electronic device;    an optical pick-up module fixed to the frame, for reading an optical disk to be mounted on the frame; and    a circuit board including a control circuit, said circuit board being fixed to the frame,    wherein the frame is formed so as to have a gap between the frame and the optical disk when mounted on the frame.    
   
   
       32 . An optical disk device disposed in an electronic device, said optical disk device comprising: 
 a frame;    fixing parts for directly fixing the frame to the electronic device;    an optical pick-up module fixed to the frame, for reading an optical disk to be mounted on the frame; and    a circuit board including a control circuit, said circuit board being fixed to the frame,    wherein the frame has first and second regions, the first region has a surface which is at a first distance from the surface of the optical disk mounted on the frame and the second region has a second distance from the surface of the optical disk mounted on the frame, and said first distance is greater than said second distance.    
   
   
       33 . The optical disk device according to  claim 31 , wherein said frame includes a recessed area on the surface of the frame on which the optical disk is to be mounted.  
   
   
       34 . The optical disk device according to  claim 33 , the recessed area has an uneven surface.  
   
   
       35 . The optical disk device according to  claim 31  further comprising a switch provided on at least one of the circuit board and the frame, said switch for detecting whether or not the disk cover covers said optical disk device.  
   
   
       36 . The optical disk device according to  claim 31  further comprising an ejection unit provided on at least one of the circuit board and the frame, said ejection unit for ejecting the optical disk mounted on the frame.  
   
   
       37 . The optical disk device according to  claim 31 , wherein at least a part of the fixing parts to other members provided in the frame has a form capable of being screwed.  
   
   
       38 . The optical disk device according to  claim 31 , wherein at least a part of the fixing parts to other members provided in the frame has a form capable of being ultrasonic welded or thermally welded.  
   
   
       39 . The optical disk device according to  claim 31 , wherein at least a part of the fixing parts to other members provided in the frame has a form capable of being fixed by an adhesive agent and at least a part of the fixing parts can be fixed by the adhesive agent or can be fixed by using an adhesive material and other connecting means to the other members.  
   
   
       40 . The optical disk device according to  claim 31 , wherein at least a part of the fixing parts to other members provided in the frame has a form capable of being engaged between the fixing part and the corresponding fixing part of other members.  
   
   
       41 . The optical disk device according to  claim 31 , wherein at least a part of the fixing parts to other members provided in the frame is provided integrally with the frame.  
   
   
       42 . The optical disk device according to  claim 31 , wherein at least a part of the fixing parts to other members provided in the frame is composed of another member made of the same material as that of the frame or a different material from that of the frame and attached to a prescribed position of the frame.  
   
   
       43 . The optical disk device according to  claim 31 , wherein at least a part of the fixing parts to other members provided in the frame has a substantially planar part and the substantially planar part of the fixing part is substantially parallel to the surface of the frame.  
   
   
       44 . The optical disk device according to  claim 31 , wherein at least a part of the fixing parts to other members provided in the frame has a substantially planar part and the substantially planar part of the fixing part is substantially perpendicular to the surface of the frame.  
   
   
       45 . The optical disk device according to  claim 31 , wherein at least a part of the fixing parts to other members provided in the frame is provided in the outer peripheral part of the frame.  
   
   
       46 . The optical disk device according to  claim 31 , wherein the fixing parts to other members provided in the frame, are disposed at two to ten positions.