
B-CAS (BS Conditional Access Systems Co., Ltd.) is a vendor and operator of the
ISDB
Integrated Services Digital Broadcasting (ISDB; Japanese: , ''Tōgō dejitaru hōsō sābisu'') is a Japanese broadcasting standard for digital television (DTV) and digital radio.
ISDB supersedes both the NTSC-J analog television system and ...
CAS system in
Japan
Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...
, largely owned by the public broadcaster
NHK
, also known by its Romanization of Japanese, romanized initialism NHK, is a Japanese public broadcasting, public broadcaster. It is a statutory corporation funded by viewers' payments of a television licence, television license fee.
NHK ope ...
with some other electronics companies and broadcasters airing in
BSAT. It also refers to the reception method (B-CAS method) that this company offers.
All
ISDB
Integrated Services Digital Broadcasting (ISDB; Japanese: , ''Tōgō dejitaru hōsō sābisu'') is a Japanese broadcasting standard for digital television (DTV) and digital radio.
ISDB supersedes both the NTSC-J analog television system and ...
receiving apparatus such as
DTT TV, tuner, and DVD recorder except
1seg-only devices require a B-CAS card under regulation and B-CAS cards are supplied with most units at purchase. B-CAS cards cannot be purchased separately, except in cases of damage, loss, purchase of used equipment, or theft. As of February 2025, replacement B-CAS cards cost ¥2,310.
[https://www.b-cas.co.jp/cardorderNew/temp-reissue-agreement.html]
Implementations of ISDB-T and
ISDB-T International (SBTVD) outside Japan do not use the B-CAS system at all as they do not employ the ''Copy-Once'' encryption method used on ISDB broadcasts in Japan. For these countries, some operators may choose to implement their own copy protection system.
Gallery
File:B-CAS CARD 1.JPG, BS Digital use B-CAS card
File:B-CAS CARD 2.JPG, BS Digital CCI and Terrestrial Digital support mark B-CAS card
File:B-CAS CARD 3.JPG, BS/110° CS/Terrestrial digital shared use B-CAS card
File:B-CAS ORANGE.JPG, CATV exclusive use B-CAS card
File:B-CAS BLUE.JPG, Terrestrial Digital exclusive use B-CAS card
File:B-CAS CARD WHITE & BLUE.JPG, Terrestrial Digital exclusive use (Special internal use) B-CAS card
File:B-CAS店頭用.jpg, Shop use B-CAS card
File:B-CAS YELLOW.JPG, Pay broadcast demo use B-CAS card
File:B-CAS CARD BLACK.JPG, Business use B-CAS card
File:B-CAS CARD mini BLUE.JPG, Terrestrial Digital mini B-CAS card
File:B-CAS_CARD_Mini_YELLOW.JPG, Limited use mini B-CAS card
See also
*
Integrated Services Digital Broadcasting
Integrated Services Digital Broadcasting (ISDB; Japanese: , ''Tōgō dejitaru hōsō sābisu'') is a Japanese broadcasting standard for digital television (DTV) and digital radio.
ISDB supersedes both the NTSC-J analog television system and ...
References
External links
Company website
{{broadcast encryption
ISDB
Technology companies of Japan
NHK