KR200211952Y1 - Compact disc - not a round shape - Google Patents

Abstract

The present invention discloses a non-circular compact disc.

The object of the present invention is to provide a non-circular compact disc that can be stably placed in a settled portion quickly and accurately when placed in a tray for reproduction, and does not cause scratches on the bottom surface when seated.

The present invention for achieving the above object is a non-circular compact disc (CD, CD-R, CD) that is placed in the first settled portion and the second settled portion formed in the tray of the compact disc player and drive to reproduce or record information. WR) comprising: a plurality of marks formed on the upper surface of the compact disc in a radially printed manner so as to be inscribed with a virtual concentric circumference corresponding to the circumferential surface of the second set portion; A plurality of seating protrusions formed to protrude downward from the lower portion corresponding to each mark is further provided, characterized in that the seating protrusion is made of synthetic rubber or silicon.

The non-circular compact disc according to the present invention having the above structure can be placed in the settled portion quickly, accurately and stably, and there is no effect of scratching the lower surface.

Description

Compact disc-not a round shape}

The present invention relates to a non-circular compact disc (CD) having a small size and various shapes such as a credit card or a business card.

Compact discs, called multimedia guns, record digitally and store information by dividing 0 and 1 (digital signals) according to the presence or absence of reflected light when laser beams are made by drilling a small groove in a thin aluminum film with high reflectivity on the surface. As a medium, it has the advantages of massive storage capacity and mass production, and is widely used for music storage and data backup because it is very economical and easy to store.

These compact discs generally form a reflective layer (silver aluminum or copper and gold) on the bottom of a circular polycarbonate substrate, protect them with a protective layer, and then print the title of the title or company logo on the top. It consists of a printed layer that can be used, and a center hole is formed at the center to hold and return the compact disc board. Compact disc player (CD player, CDP) and personal computer (PC) The CD-Rom drive is installed in the CD-Rom drive to play the information.

Although compact discs have been standardized and used in the form of 120 mm in diameter, recently, various sizes of compact discs including 80 mm are manufactured and used. Compact disc players and personal computers that reproduce compact discs for use thereof In the tray 2 of the CD-ROM drive of the CD-ROM drive, a 120 mm-size compact disc is placed, as shown in FIG. 1, which is a perspective view showing the configuration of the compact disc when the compact disc is played back in the CD-ROM drive and the CD-ROM drive. The 2nd settled part 4 in which the 1st settled part 3 and the 80-mm-size compact disc are mounted is provided. The first settled portion 3 is formed of a circular groove formed concave downward from the bottom surface of the tray 2, the second settled portion 4 from the bottom surface of the first settled portion (3). Here, reference numeral 5 denotes an open part, which is an open space secured to allow the laser light to enter the compact disc from the optical heads of the compact disc player and the CD-ROM drive and check the presence or absence of the reflected light. And the other reference numeral 1 is the main body of the compact disc player and the CD-ROM drive.

On the other hand, the use of compact discs is not limited to the sale of records and computer programs, but is gradually expanded to the functional area as a promotional medium for the promotion of companies and organizations. In addition to the circular, a variety of non-circular compact discs that are imaged for a specific shape suitable for promotional purposes, such as credit cards or corporate emblems, are being produced and used.

The non-circular card is generally made smaller than 120mm and slightly larger than 80mm, but generally the storage area of the information is made to fit the 80mm, so that the second settled portion 4 where the 80mm standard compact disc is placed. It is settled in and is reproduced. However, these non-circular compact discs are not circular in shape, and their size is larger than the 80 mm standard, so that when the information is to be reproduced, the non-circular compact disc is placed quickly and accurately when placed in the 80 mm standard second settled portion 4. It is difficult to reliably settle, there is a problem that there is a risk that the stored information is damaged because the bottom of the information is scratched while moving the place around for accurate settlement.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a non-circular compact disc that can be stably placed in a settled portion quickly and accurately, and does not cause scratches upon mounting.

The present invention for achieving the above object is a non-circular compact disc (CD, CD-R, CD) that is placed in the first settled portion and the second settled portion formed in the tray of the compact disc player and drive to reproduce or record information. WR) comprising: a plurality of marks formed on the upper surface of the compact disc in a radially printed manner so as to be inscribed with a virtual concentric circumference corresponding to the circumferential surface of the second set portion; A plurality of seating protrusions formed to protrude downward from the lower portion corresponding to each mark is further provided, characterized in that the seating protrusion is made of synthetic rubber or silicon.

The non-circular compact disc according to the present invention having the above structure can be placed in the settled portion quickly, accurately and stably, and there is an effect that no scratch is generated on the lower surface.

1 is a perspective view showing the configuration of a tray;

Figure 2 is a plan view of a preferred embodiment of the present invention.

Figure 3 is a perspective view of a preferred embodiment of the present invention.

Figure 4 is a perspective view of a preferred embodiment of the present invention placed in a tray.

5 is a sectional view taken along the line A-A`.

* Explanation of symbols for the main parts of the drawings

10: non-circular compact disc of the present invention

11: upper surface 12: lower surface

13: seating protrusion 14: the central hall

15: Mark

Hereinafter, with reference to the accompanying drawings of a preferred embodiment of the present invention, the features and advantages of the present invention will be more clear.

2 is a plan view of a preferred embodiment of the present invention, Figure 3 is a perspective view of a preferred embodiment of the present invention, Figure 4 is a perspective view of a preferred embodiment of the present invention placed on a tray, Figure 5 is a cross-sectional view taken along line A-A`, showing an embodiment applied to a credit card-shaped compact disc.

The present invention is a non-circular compact disc, the mark 15 formed by printing on the upper surface 11 in a circular shape, and a plurality of seating protrusions protruding downward from the lower surface 12 corresponding to the mark 15 ( 13) is further provided.

As shown in FIG. 4, the mark 15 is formed on an upper surface 11 on which a logo, an image, or a symbol of a group or a company is printed, and the user can visually and easily settle the center of the second mounting portion 4. In order to be able to do so, it is radially printed and formed so that each of the virtual concentric circumference corresponding to the circumferential surface of the 2nd set-up part 4 may inscribe | inscribe.

A plurality of seating protrusions 13 protrude downward from portions of the lower surface 12 corresponding to the marks 15. That is, the seating protrusion 13 is also formed to protrude radially so that each of the virtual concentric circumference corresponding to the circumferential surface of the second set portion 4 inscribes. By forming as described above, the plurality of seating protrusions 13 may be stably inserted and inscribed in the circumferential surface of the second seating part 4 formed as a concave circular groove.

The shape of the seating protrusion 13 is integrally formed on the bottom surface 12 by using a material such as silicon or synthetic rubber so as to be softly and naturally seated when the non-circular compact disc 10 is seated. do.

First, silicon or synthetic rubber is heated to a temperature between 60 degrees and 130 degrees to make a liquid state, and then a thin film is applied to the lower surface 12 of the compact disc 10 using a nozzle (not shown) and dried to obtain an adhesive force. It disappears and the seating protrusion 13 of a solid state is formed. When applying to the lower surface 12 by using a nozzle, it is preferable to apply so that the shape of the mounting projection 13 can maintain a hemispherical shape after drying.

When reproducing the non-circular compact disc 10 according to the present invention having the above constitution, the user checks the mark 15 displayed on the upper surface 11 and faces the second settle portion 4 in a circular manner. If it is settled after, the mounting projections 13 formed on the lower surface 12 is accurately fitted into the circumferential surface of the second settle portion 4 is to be stably placed. If the user is moving the non-circular compact disc 10 of the present invention only slightly to the left or right, even if it is not placed correctly while checking the mark 15, the seating protrusions (1) may be circled in the second set portion (4). Since the main body is naturally inserted into the main surface, the mounting is completed. At this time, the mounting protrusion 13 formed on the lower surface of the compact disc 10 maintains a constant distance from the bottom surface of the first set portion 3 of the tray 2. Therefore, scratches do not occur at all on the lower surface 12. Since the seating is fixed by the seating protrusion 13 after seating, the seating position does not change even if the user touches the tray by mistake.

Therefore, according to the present invention having the above configuration, the non-circular compact disc 10 can be settled in the settled portion quickly, accurately, and stably, and scratches of the lower surface 12 do not occur.

Meanwhile, the technical idea of the present invention is not only a read-only compact disc (CD), but also a compact disc (CD-Recordable, CD-R) capable of recording, or a compact disc (CD Re-Writable) capable of recording several times. The same applies to CD-RW).

As described in the above clear description, when the user wants to reproduce the compact disc, the present invention can be placed while checking the mark displayed on the upper surface, and the mounting protrusions formed on the lower surface of the encased body are fitted inside the circumferential surface of the second settled portion. There is an effect that can be placed quickly and accurately in the settled area.

In addition, even if the compact disc is moved to the left and right on the tray for accurate seating, since the seating protrusion formed on the bottom surface of the compact disc maintains a constant distance from the bottom surface of the first settled portion of the tray, There is no fear of scratches, and after being placed therein, the compact disc is stably fixed without moving from side to side, thereby preventing damage to the stored information due to scratches on the bottom surface.

Claims (3)

In a non-circular compact disc (CD, CD-R, CD-RW) mounted on a tray of a compact disc player and a drive and reproducing or recording information, A plurality of marks 15 formed on the upper surface 11 of the compact disc radially printed so as to be inscribed with a virtual concentric circumference corresponding to the circumferential surface of the second set portion 4; Non-circular compact disc, characterized in that it is further provided with a plurality of seating protrusions 13 protruding downward from the lower surface 12 corresponding to each mark (15). The method of claim 1, Non-circular compact disc, characterized in that the seating projection 13 is made of synthetic rubber. The method of claim 1, Non-circular compact disc, characterized in that the seating projection 13 is made of silicon.