Dolby∗ B Type Noise Reduction System
Sony Semiconductor
Dolby B∗ type Noise Reduction System
Sony Semiconductor
Dolby B/C Type Noise Reduction System
Sony Semiconductor
Dolby B-C Type Noise Reduction System
Sony Semiconductor
DOLBY B-C TYPE NOISE REDUCTION SYSTEM
Sony Semiconductor
Dolby B- and C-Type Noise Reduction System
Hitachi -> Renesas Electronics
Integrated Circuit Dolby B Type Noise Reduction System
NTE Electronics
PREAMPLIFIER AND DOLBY B TYPE NOISE REDUCTION SYSTEM
Japan Radio Corporation
Dolby* B/C-type Noise Reduction
Panasonic Corporation
DOLBY B-TYPE NOISE REDUCTION PROCESSOR
Japan Radio Corporation
