Educational Film Center

1st Logo (1976-1980)
Logo: It consists of the letters "efc" connected together, with the text "EDUCATIONAL FILM CENTER" next to it, stacked horizontally. Below them is the text "THE NORTHERN VIRGINIA EDUCATIONAL TELECOMMUNICATIONS ASSOCIATION", stacked horizontally as well.

Variants:
 * The Heart of Teaching episodes have the logo superimposed over a pair of screens. This time, "efc" is outlined, and "THE NORTHERN VIRGINIA EDUCATIONAL TELECOMMUNICATIONS ASSOCIATION" is shifted down.
 * Thinkabout episodes have a lavender background with the logo surrounded between two bars. "THE NORTHERN VIRGINIA EDUCATIONAL TELECOMMUNICATIONS ASSOCIATION" is slightly small and shifted upper.
 * Trade-offs episodes have the logo in blue fade in and out later in a black background.

Technique: None.

Music/Sounds:
 * The Heart of Teaching and Thinkabout: The ending theme of the show.
 * Trade-offs: A male announcer says "This program was produced by EFC, Educational Film Center, The Northern Virginia Educational Telecommunications Association.".

Availability: Seen on some episodes of Thinkabout, Trade-offs, The Heart of Teaching, among others.

2nd Logo (1980-1993, 2011-2012)
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Logo: On a space background, we see a gold bar zooming out to the middle of the screen (a la the MCA Videodisc logo), which reads "A PRODUCTION OF". It then disappears with an "e" flashing in, then an "f", with the line sticking down, then a "c", which is the same EFC logo from before. As all the letters flash in, the logo glows and shines.

Variant: On Tax Whys, the logo, only with the yellow text "efc" is seen in a black background.

Technique: The gold bar zooming, the letters flashing, the logo glowing, and shining.

Music/Sounds: A "whoosh" as the bar sweeps up and 3 synth bells as the letters flash.

Availability: Extremely rare. Seen on some old and 2011-2012 Annenberg/CPB programs. Also appears on Tax Whys.

Legacy: This logo was serviceable enough for the early 80s, but it started to get quite dated when the 90s rolled around.