B-CAS (BS Conditional Access Systems Co., Ltd.) is a vendor and operator of the ISDBCAS system in Japan. Or, the reception method (B-CAS method) that this company offers.
All ISDB receiving apparatus such as DTT TV, tuner, and DVD recorder except 1seg requires B-CAS card under regulation and B-CAS card is supplied as the standard accessory in Japan.
Gallery
<gallery>File:B-CAS CARD 1.JPG|BS Digital use B-CAS cardFile:B-CAS CARD 2.JPG|BS Digital CCI and Terrestial Digital support mark B-CAS cardFile:B-CAS CARD 3.JPG|BS/110° CS/Terrestial digital shared use B-CAS cardFile:B-CAS ORANGE.JPG|CATV exclusive use B-CAS cardFile:B-CAS BLUE.JPG|Terrestial Digital exclusive use B-CAS cardFile:B-CAS CARD WHITE & BLUE.JPG|Terrestial Digital exclusive use (Special internal use) B-CAS cardFile:B-CAS店頭用.jpg|Shop use B-CAS cardFile:B-CAS YELLOW.JPG|Pay broadcast demo use B-CAS cardFile:B-CAS CARD BLACK.JPG|Business use B-CAS cardFile:B-CAS CARD mini BLUE.JPG|Terrestial Digital mini B-CAS cardFile:B-CAS CARD Mini YELLOW .JPG|Limited use mini B-CAS card</gallery>