Television color bar matching device

• US 4,106,846 A
• Filed: 11/15/1976
• Issued: 08/15/1978
• Est. Priority Date: 11/15/1976
• Status: Expired due to Term

• Current Assignee: Morton S. Russin
• Original Assignee: Morton S. Russin
• Inventors: Russin, Morton S.
• Primary Examiner(s): Martin, John C.
• Application Number:
  US05/741,563
• Time in Patent Office: 638 Days
• Field of Search: 358/10, 358/28, 358/54
• US Class Current: 348/179
• CPC Class Codes: H04N 17/04 for receivers

Abstract

Disclosed is a color bar mask for adjusting television receivers of the type used in closed circuit systems. The mask comprises a plurality of vertical colored translucent bars spaced between opaque bars. The bars are dimensioned so as to match up with color bar signals generated upon the screen of the receiver. The mask is designed to leave a substantial part of the screen exposed so that the bar signals generated on the screen can be compared with the same bars as viewed through the translucent color bar pattern. The mask is secured to a frame. The frame is pivotally secured to a rectangular member which rests on the receiver so that the mask may be conveniently disposed and removed from the screen.

Claims

1. A device for adjusting color television receivers wherein such receivers are used in cooperation with a system which provides, upon the screen of the receiver, a predetermined colored pattern of predetermined dimensions, the device comprising:

a housing; and

a mask, in combination with said housing, said mask comprises a plurality of translucent colored segments secured to said housing for being disposed over said screen, said segments being dimensioned so as to conform to at least a part of the predetermined pattern and to, simultaneously, leave a portion of the generated pattern uncovered by said mask, such that the color pattern can be compared with itself as viewed through said segments and upon the screen.

2. A device as recited in claim 1, wherein said segments being disposed in parallel, vertical bars.

3. A device as recited in claim 2, wherein said segments comprise a substantially rectangular configuration having substantially the same dimensions of the width of the receiver screen and being substantially shorter than the height of the screen.

4. A device as recited in claim 3, wherein said segments comprise a plurality of translucent colored gels secured to one another by horizontally disposed opaque strips, thereby forming a pattern of colored translucent bars separated by opaque bars.

5. A device as recited in claim 4, wherein said mask further comprises a sandwich of colorless translucent material on either side of said strips, said opaque strips comprising adhesive tape.

6. A device as recited in claim 5, wherein said mask being hingedly joined to said housing, said housing comprising a rigid member for being removably disposed upon the top surface of the receiver, such that said mask may be moved pivotally upward and upon said housing and away from the screen when not in use.

7. A device as recited in claim 5, wherein said mask being rigidly secured to said housing, said housing having a generally "L" shape, such that one leg of said "L" is for being disposed upon the top surface of the receiver, the other leg of said "L" having therein said mask for being disposed over only a part of the screen.

8. A device as recited in claim 5, wherein said housing comprises a roller and a rigid cover, said roller being rotatably secured within said cover, said mask being secured to said roller for being wrapped about said roller for storage within said cover.

9. A device as recited in claim 8, wherein said roller being a spring loaded shade roller and said mask being wound upon said roller.