Encryption of data in different formats

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United States of America Patent

PATENT NO 5668881
SERIAL NO

08126649

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Abstract

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A plurality of apparatuses can execute an encrypting process on an image signal are connected. The encrypting processes which are executed in those apparatuses are independently performed, so that the connection of an improper apparatus is made impossible and, in this state, a more advanced signal process can be performed, thereby giving no disadvantage to the user. For this purpose, there is disclosed an image processing apparatus comprising a first encrypting circuit for encrypting the image data and supplying to a first apparatus and a second encrypting circuit for encrypting image data and supplying to a second apparatus different from the first apparatus, wherein the first and second encrypting means execute independently the encryption.

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Patent Owner(s)

Patent OwnerAddress
CANON KABUSHIKI KAISHA30-2 SHIMOMARUKO 3-CHOME OHTA-KU TOKYO 146-8501

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ishimoto, Koichi Yokohama, JP 24 265
Kurita, Mitsuru Tokyo, JP 56 752
Suzuki, Yasumichi Yokohama, JP 59 1285

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