The phrase "advertisements introduced" is correct and usable in written English.
It can be used when discussing the presentation or launch of advertisements in a particular context, such as marketing or media.
Example: "The advertisements introduced during the campaign significantly increased brand awareness."
Alternatives: "ads launched" or "commercials presented".
The old advertising formula was to begin after Labor Day with soft biographical advertisements introducing the candidate, followed by commercials drawing sharp contrasts with the other side, and closing with the strongest argument.
Despite all those years in the Senate, despite acres of newsprint about him, despite millions of dollars of advertisements introducing people to John Kerry, almost one in two Americans do not know what he stands for.
To Mr. Corzine and his advisers, the campaign will not begin in earnest until after the March 7 and 14 presidential primaries, when television advertisements introducing his face, voice and personality to voters will begin appearing in the New York and Philadelphia media markets.
Another advertisement introduced by Mr. Gephardt's campaign on Tuesday singles out General Clark, Dr. Dean and Mr. Kerry for their support of free-trade agreements unpopular with many workers.
An imaginary real-estate advertisement introducing the article referred imprecisely to the layout.
"Second Generation" is a 2006 television advertisement introducing Nike's Air Jordan XXI brand of basketball shoes.
According to the Times, the company has "introduced advertisements that took a secular approach, with scant mention of religious themes".
Next week, additional TV commercials, along with radio spots and print advertisements, will be introduced, focused on the parenting institute.
Similarly, Little Tikes had a run on its patio doll houses after it introduced advertisements featuring a handicapped child to show that the child-size houses had been modified to make them wheelchair-accessible.
