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Patent Searching and Data


Title:
INFORMATION REPRODUCTION SYSTEM
Document Type and Number:
Japanese Patent JP3181866
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To make it possible to reproduce and output multi-media information recorded in a recording medium in a format which can execute an inexpensive and mass recording and a repeated reproduction.
SOLUTION: Audio information is arranged to enable plural blocks to be adjacent to one another and each block is recorded in a recording medium so that it can optically be read in a form of a dot code 36 in which a data dot pattern which consists of plural dots arranged in accordance with data contents regarding the information, a marker for recognizing the block concerned and a block address pattern for indicating an address of the block concerned are arranged in accordance with a specified position relation. This is read by a detection part 44 and restored by a scanning conversion and lens distortion correction part 46, a binarization circuit 48, a demodulation circuit 54, a data sequence adjustment part 56, a de interleave circuit 58, an error correction circuit 60, a decoding circuit 62 and a data interpolation circuit 64 and is output as a sound by a sound output equipment 42 by way of a D/A conversion circuit 66.


Inventors:
Tatsuo Nagasaki
Hiroyoshi Fujimori
Mr. Matsui
Ken Mori
Seiichi Wakamatsu
Yoshikazu Akamine
Kazuhiko Morita
Application Number:
JP25577597A
Publication Date:
July 03, 2001
Filing Date:
September 19, 1997
Export Citation:
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Assignee:
Olympus Optical Co., Ltd.
International Classes:
G06K19/06; G06K1/12; G06K7/00; G06K7/10; G06K17/00; G10L13/00; (IPC1-7): G06K7/10; G06K1/12; G06K7/00; G06K19/06; G10L13/00
Domestic Patent References:
JP3127341A
Attorney, Agent or Firm:
Takehiko Suzue (4 outside)