Mediaguard is a conditional access system for digital television developed by SECA (Société Européenne de Contrôle d'Accès), which has since become Nagra France. Conditional Access System (CAS) is a system by which electronic transmission of digital media (especially satellite television signals through cable) is limited only to subscribed clients. ... Digital television (DTV) is a telecommunication system for broadcasting and receiving moving pictures and sound by means of digital signals, in contrast to analog signals in analog (traditional) TV. It uses digital modulation data, which is digitally compressed and requires decoding by a specially designed television set or a standard... seca company logo seca is a German manufacturer of health care products, with headquarters in Hamburg where they have been established since 1840. ...

Mediaguard has been on the European market since 1996. It is also used in Middle-East and Asia. Mediaguard is notably used by Canal+. Canal Plus Group (Canal+) is a French film and television studio and distributor. ...

Manufacturers which incorporate Mediaguard into their equipment are notably Hitachi, Ltd., Humax, JVC, Kenwood Electronics, Nokia, Pace Micro Technology, Philips, Pioneer Corporation, Sagem, Samsung Electronics, Sony Corporation, Strong, Thomson, and Toshiba It has been suggested that Hitachi Works be merged into this article or section. ... Humax is an electronics company. ... Victor Company of Japan, Limited ) (TYO: 6792 ), usually referred to as JVC, is a Japanese consumer and professional electronics corporation based in Yokohama, Japan which was founded in 1927. ... Kenwood Corporation (株式会社ケンウッド) TYO: 6765 is a Japanese manufacturer of amateur radio as well as Hi-Fi and portable audio equipment. ... Nokia Corporation (NYSE: NOK) is the worlds largest manufacturer of mobile telephones (as of September 2006), with a global market share of approximately 36% in Q3 of 2006. ... Pace Micro Technology Plc is a British manufacturer of set top boxes for digital and analogue satellite television, founded in 1982. ... Philips HQ in Amsterdam Koninklijke Philips Electronics N.V. (Royal Philips Electronics N.V.), usually known as Philips, (Euronext: PHIA, NYSE: PHG) is one of the largest electronics companies in the world. ... The current version of the article or section reads like an advertisement. ... SAGEM (Société d’Applications Générales de l’Electricité et de la Mécanique) was a major French company involved in defence electronics, consumer electronics and communication systems. ... Samsung Electronics (hangul: 삼성전자; hanja: 三星電子; revised: Samseong Jeonja; McCune-Reischauer: Samsŏng Chŏnja) is an electronics company headquartered in Seoul, Korea. ... Sony Corporation (Japanese katakana: ソニー) (TYO: 6758), (NYSE: SNE) is a global consumer electronics corporation based in Tokyo, Japan. ... Strength can mean: Physical strength of organisms means (especially the muscles of most metazoa) of locomotion and movement Strength of materials in physics, engineering and materials science Strength is a rap compilation presented by Asiatic Warriors The word strengths is one of the longest English words with one syllable. ... This article concerns the media and entertainment company. ... Toshiba Corporations headquarters in Hamamatsucho, Tokyo Toshiba Corporation sales by division for year ending March, 31 2005 Toshiba Corporation ) (TYO: 6502 ) is a Japanese high technology electrical and electronics manufacturing firm, headquartered in Tokyo, Japan. ...

The original Mediaguard system has been broken by the end of the 1990s, allegedly by rival NDS Group, which resulted in new cards being distributed to customers in 2002. NDS Group plc is a DRM and conditional access firm. ...

External links

• The Guardian, March 13th, 2002: How codebreakers cracked the secrets of the smart card