Perhaps you are interested in the following logos.

DELTA DELTA vector
Dolby digital Dolby digital  vector
eduscho eduscho vector
Fed esp entid prom dise Fed esp entid prom dise vector
K-mart K-mart  vector
simbolo cd i simbolo cd i vector
100Hz Digital Plus 100Hz Digital Plus vector
ABC Sports ABC Sports vector
AICF AICF vector
AMP 138 AMP 138 vector
ASC 23 ASC 23 vector
Adidas(1007) Adidas(1007) vector
Advance Auto Parts Advance Auto Parts vector
Advanta Advanta vector
Aerostar(1379) Aerostar(1379) vector