4. Dynamic optical information storage or retrieval
  5. Particular cabinet structure for optical media
  6. Capable of only accepting unprotected insertable single...

D&M Holdings Inc.

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Communication system using orthogonal frequency division...

Pulse or digital communications – Systems using alternating or pulsating current – Plural channels for transmission of a single pulse train
Reexamination Certificate

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Contents data transmission/reception system, contents data...

Cryptography – Key management
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Contents data transmission/reception system, contents data...

Electrical computers and digital processing systems: support – Data processing protection using cryptography
Reexamination Certificate

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Device for manipulating sounds and images

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment
Design Patent

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Device for manipulating sounds and images

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment
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