Disc accommodating case

Claim 2

A disc accommodating case comprising: an opaque jacket having an opening portion at one end thereof, for accommodating a disc having information signals, said disc being received within an internal space formed between a pair of jacket halves of said jacket; and a lid member for closing the opening portion of the jacket accommodating said disc, said disc having a portion on one surface side thereof where a ring shaped display line is marked concentrically with the disc, a corresponding portion on the other surface side of the disc having no such display line, said jacket having a display window on one of the jacket halves at a position opposing a part of the display line on said disc when the disc is accommodated with the case with said one surface side of the disc opposing said one of the jacket halves, for enabling only the part of said display line to be seen through said display window from outside said jacket regardless of the rotational position of the disc with respect to the jacket, whereby the surface side of the disc opposing the window is identified dependent on whether the part of the display line is visible through said window.

Claim 3

A disc accommodating case as claimed in claim 1 in which said disc has an outer groove guard and an inner groove guard respectively provided at the outer and inner peripheral parts thereof, and a center hole formed at the center thereof, and said display portion is formed at a position on said disc which is between said inner groove guard and said center hole.

Claim 4

A combination of a disc and a disc accommodating case comprising: an opaque jacket having an opening portion at one end thereof, for accommodating a disc having information signals recorded thereon, said disc being received within an internal space formed between a pair of jacket halves of said jacket; and a lid member for closing the opening portion of the jacket accommodating the disc, said disc having a portion on one surface side thereof where a ring shaped display line is marked concentrically with the disc, a corresponding portion on the other surface side of the disc having no such display line, said jacket having a display window on one of the jacket halves at a position opposing a part of the display on said disc when the disc is accommodated within the case with said one surface of the disc opposing said one of the jacket halves, for enabling only the part of said display one to be seen through said display window from outside said jacket regardless of the rotational position of the disc with respect to the jacket, whereby the surface side of the disc opposing the window is identified dependent on whether the part of the display line is visible through said window.

Claim 5

A combination of a disc and a disc accommodating case comprising: an opaque jacket having an opening portion at one end thereof, for accommodating a disc having information signals recorded thereon, said disc being received within an internal space formed between a pair of jacket halves of said jacket; and a lid member for closing the opening portion of the jacket accommodating the disc, said disc having a portion on one surface side thereof where a ring shaped display line is marked concentrically with the disc, a corresponding portion on the other surface side of the disc having no such display line, said jacket having a display window on one of the jacket halves at a position opposing a part of the display on said disc when the disc is accommodated within the case with said one surface of the disc opposing said one of the jacket halves, for enabling only the part of said display one to be seen through said display window from outside said jacket regardless of the rotational position of the disc with respect to the jacket, whereby the surface side of the disc opposing the window is identified dependent on whether the part of the display line is visible through said window.