Title:
PAY BROADCAST RECEIVER
Document Type and Number:
Japanese Patent JPH0946681
Kind Code:
A
Abstract:
To display a channel number under a flat contract.
When a security module 9 receives a command of an output of a channel number in flat contract at present from a decoder 8, it is read by an EEPROM 24 and fed to the decoder 8. The decoder 8 outputs a display signal corresponding to a channel number from the EEPROM 24. A tuner 20 selects a prescribed channel from a received signal and a 1st decoder 23 decodes individual information by an individual key and provides an output of the contract key. A 2nd decoder 22 decodes program information based on the contract key and provides an output of the scramble key. A descrambler 21 descrambles a video and audio signal based on the scramble key.
Inventors:
YOSHIDA HIROYUKI
SHIROMA MAKOTO
YAMASHITA MASAMI
SHIROMA MAKOTO
YAMASHITA MASAMI
Application Number:
JP19274795A
Publication Date:
February 14, 1997
Filing Date:
July 28, 1995
Export Citation:
Assignee:
SONY CORP
International Classes:
H04N5/445; H04N7/16; H04N7/167; (IPC1-7): H04N7/16; H04N5/445; H04N7/167
Attorney, Agent or Firm:
Yoshio Inamoto
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