Color selecting apparatus

US4973253A · kind A · utility

Assignee

• Soi Charles W. Perry Design Works, Inc. · US

Inventors

• Lynn H. Shook · Thousand Oaks, US
• Richard Lucir · Topanga, US
• Andrew Johnson · Winchester, GB
• Kyle S. Paula · Beverly Hills, US
• Frank Nuovo · Los Angeles, US

Key dates

• Filing date: Dec 20, 1989
• Grant date: Nov 27, 1990
• Expiry date: Dec 20, 2009

Classification

• Technology area (CPC G): Physics
• CPC primary: G09B19/0023
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A color indicating apparatus which comprises a plurality of concentric overlappingly arranged discs which are rotatably mounted on a pivot post which is carried by a base. Each disc is basically transparent and includes a plurality of windows with each window being colored to a certain percentage of screening. Each disc is a certain primary color with there normally being utilized four in number of discs with there being four primary colors. Mounted on the base is a locking device which is to be movable to engage with the peripheral edge of the overlapped discs so as to lock the discs when located in a selected position. The visually observable color of each window within the outer disc will assume various shades as determined by the color density of the overlapped windows.