JP2006202442A5

JP2006202442A5 -

Info

Publication number: JP2006202442A5
Application number: JP2005014922A
Authority: JP
Filing date: 2005-01-24
Publication date: 2008-03-06

Claims

A displacement member disk inserted from interpolation inlet is displaced by contact,
A displacement detector for detecting the displacement of the displacement member,
Based on the detection result of the displacement detector, a disk insertion detection device having a insertion detection means for detecting the presence or absence of insertion of the disk,
The disc insertion detection device , wherein the displacement member is realized by a shutter member capable of opening and closing an insertion port .

2. The disc insertion detection device according to claim 1 , wherein the displacement detection means is realized by an optical sensor .

The displacement detection means is realized by an optical sensor having a light projecting unit that projects light and a light receiving unit that receives light ,
The displacement member is formed with a reflection surface having a predetermined light reflectance,
When the displacement member is displaced as the disc is inserted, the light projecting unit and the light receiving unit are arranged such that the light projected from the light projecting unit is incident on the light receiving unit by the reflecting surface of the displacement member. disk insertion-detecting apparatus according to claim 1 or 2, wherein to Rukoto and characterized in that parts and are arranged.

When a reflecting surface having a predetermined light reflectance is formed and the disc is not inserted, the light projected from the light projecting unit is reflected by the reflecting surface and incident on the light receiving unit. Members,
And a correction means for correcting the output value of the optical sensor so that the output value output from the light receiving unit becomes a predetermined set output value when the disc is not inserted. The disc insertion detection device according to claim 3 .

A reflecting member configured to reflect light projected from the light projecting unit in a direction different from the light receiving unit by the reflecting surface when a reflective surface having light reflectivity is formed and the disc is not inserted ; 4. The disc insertion detecting device according to claim 3, further comprising:

Absorbing portion having a light absorbing property is formed, projecting when the disk is a non-inserted state, the light projected from said light projecting portion is absorbed by the absorbing portion, from the light projecting unit to the light receiving portion 4. The disk insertion detecting device according to claim 3 , further comprising an absorbing member for preventing incident light from entering .

The light projecting portion projecting surface and the light receiving surface of the light receiving portion of any one of claims 3-6, characterized in that it further comprises an absorbing member for preventing the Rukoto are arranged so as to face downward disk insertion-detecting apparatus according to One.

Correction means for correcting an adjustment value set in the displacement detection means so that an output value output from the displacement detection means in at least one of a disc non-insertion state and a disc insertion state becomes a preset output value; disk insertion-detecting apparatus according to any one of claims 1-7, characterized in that it further comprises.

The correction means includes
Determining a first adjustment value such that an output value by the displacement detection means is a first set output value determined in advance;
Determining a second adjustment value such that an output value by the displacement detection means becomes a predetermined second set output value;
9. The disc insertion detection apparatus according to claim 8 , wherein an adjustment value of the displacement detection means when detecting disc insertion is corrected based on the determined first adjustment value and second adjustment value .

A plurality of the displacement members are provided,
The displacement detecting means, the disk insertion detection device according to any one of claims 1 to 9, characterized in that for detecting the displacement of a plurality of said displacement member each separately.

Based on each displacement state of each displacement member to which the displacement detecting unit detects the disk of claim 10, wherein further have a disk shape determining means for determining a shape of a disk inserted from the insertion port Insertion detection device.

The plurality of displacement members are given a restoring force so as to return to a standard position located when the disc is not inserted,
Each of the displacement members is displaced from the standard position against the restoring force by abutting the disk inserted from the insertion port, and varies the force applied to the disk according to the position in the width direction of the inserted disk. 12. The disc insertion detection device according to claim 10 or 11,

Among the plurality of displacement members, the displacement member in the width direction end portion side of the insertion slot width as compared to the displacement member in a direction central portion toward greater restoring force is given disc according to claim 12, wherein Rukoto Insertion detection device.

A disc insertion detection device that detects whether or not a disc is inserted with respect to the disc drive device,
An optical sensor that outputs an output value according to whether or not a disc is inserted, and
An insertion detecting means for detecting a disc insertion state based on an output value of the sensor and a predetermined set output value;
It obtains an initial output value of the sensor in a state in which the disk is not inserted in the insertion port, based on the initial output value, features and to Lud disk insertion detection in that it comprises a setting means for setting the set output value apparatus.

The insertion detection means includes an insertion detection region in which an output value of the optical sensor determines that a disc is inserted, a non-insertion detection region in which it is determined that a disc is not inserted, the insertion detection region and the non-insertion Determine which of the dead zone between the detection areas belongs, detect the disc insertion state,
15. The disc insertion detection device according to claim 14 , wherein the setting means sets the non-insertion detection area and the dead zone based on an initial output value of a sensor .

Said insertion detecting means, disk insertion detection according to claim 14 or 15, wherein the light projected from the light projecting unit of the optical sensor and wherein the detectable der Rukoto a center hole formed at the center of the disk apparatus.

It said insertion detecting means is a disk insertion detection device according to claim 1 6, wherein a is detectable by distinguishing a center hole formed at the center of the disk and others.

A width direction detecting means for detecting a width direction dimension of the disc;
And disc shape judging means for judging the shape of the disc inserted from the insertion slot,
The disk shape determining means is based on the width direction size detected by the width direction detecting means when the insertion detecting means detects that the light projected from the optical sensor has passed through the center hole of the disk. disk insertion-detecting apparatus according to claim 16 or 17, wherein that you determine the shape of a disk.

A disk drive device comprising the disk insertion detection device according to claim 1 .

A disc insertion detection method for detecting whether a disc is inserted or not with respect to a disc drive device,
A displacement member that is displaced by contact of a disk inserted from the insertion port;
Displacement detecting means for outputting an output value corresponding to the displacement of the displacement member;
Based on the output value of the displacement detection means, using an insertion detection means for detecting the presence or absence of the insertion of a disk,
Obtaining an adjustment value of the displacement detection means as a first adjustment value so that an output value by the displacement detection means becomes a predetermined first set output value;
Obtaining an adjustment value of the displacement detection means as a second adjustment value so that an output value by the displacement detection means becomes a predetermined second set output value;
Based on the first adjustment value obtained and the second adjustment value, disk insertion detection method characterized by including the step of correcting the adjustment value of the displacement detecting means when detecting the disk insertion.

A disc insertion detection method for detecting the presence / absence of a disc insertion using a sensor that outputs an output value corresponding to the presence / absence of a disc insertion to the disc drive device,
An insertion detection area for determining an initial output value by the sensor and determining that a disk is inserted based on the initial output value in a state where the disk is not inserted into the insertion slot before detecting the disk insertion, and the disk Set a non-insertion detection region that determines that is not inserted, and a dead zone between the insertion detection region and the non-insertion detection region,
A disc insertion detection method , wherein disc insertion detection is performed based on whether an output value of a sensor belongs to a set insertion detection region, non-insertion detection region, or dead zone in disc insertion detection.

An insertion slot for inserting a disc,
A transport roller for transporting the disc inserted from the insertion port;
Roller driving means for driving the conveying roller;
Means for rotating the conveyed disc around its axis;
A pickup that reads information from a rotating disk;
A displacement member that is displaced by contact of a disk inserted from the insertion port;
Displacement detecting means for detecting the displacement of the displacement member;
A disk drive device having insertion detection means for detecting whether or not a disk is inserted based on a detection result of the displacement detection means;
The disk drive device according to claim 1, wherein the displacement member is realized by a shutter member capable of opening and closing an insertion slot .