Sony KP-53V16 Operating Instructions Manual page 39

_e)SOUND RETRIEVAL SYSTEM
The (e) Sound Retrieval System is manufactured by
Sony Corporation under license from the Hughes
Aircraft Company, a subsidiary of GM Hughes
Electronics. It is covered by U.S. Patent No. 4,748,669.
Other U.S. and foreign patents pending.
(@), SOUND RETRIEVAL SYSTEM and SRS® are
trademarks of the Hughes Aircraft Company, a
subsidiary of GM Hughes Electronics.
Additional Information I 39