Clearvue (Warning Screens)

1st (known) Warning (1990-1991)
Visuals: On a black background, there are the words "COPYRIGHT NOTICE" with the warning text underneath. All the text is in all-caps, and succeeded by the copyright "(c) 1990 CLEARVUE, INC.".

Technique: None.

Audio: None.

Availability: It, along with the logo that preceded it, was known to have appeared on First Steps to Learning (a.k.a. Fun to Learn Video Series and Laugh & Learn) and is intact on the VHS releases from United American Video Corporation and Slam Gold.
 * The last few seconds of this warning are retained on the two UK DVD releases "123s/Colours/Time" and "ABCs/Shapes/Big and Little".

2nd (known) Warning (1991-mid/late 1990s)
Visuals: Same concept as the previous warning, but on a blue-black gradient background, and the text in Century Schoolbook and in lowercase. The copyright now says "Times New Roman".

Technique: None.

Audio: None.

Availability: Known to have been found on the "Big and Little" volume of the Laugh & Learn VHS series. The last few seconds of this warning are retained on the UK DVD release "ABCs/Shapes/Big and Little" on the aforementioned feature.

3rd (known) Warning (1996-2004)
Visuals: Same as the 1996-2010 SVE warning, except "SVE and Churchill Media" is replaced with "CLEARVUE/eav".

Technique: 2D computer animation.

Audio: None.

Availability: Seen on VHS releases form the era.