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U.S. Department of Energy
Office of Scientific and Technical Information

Rotary head type reproducing apparatus

Patent ·
OSTI ID:866083
In an apparatus of the kind arranged to reproduce, with a plurality of rotary heads, an information signal from a record bearing medium having many recording tracks which are parallel to each other with the information signal recorded therein and with a plurality of different pilot signals of different frequencies also recorded one by one, one in each of the recording tracks, a plurality of different reference signals of different frequencies are simultaneously generated. A tracking error is detected by using the different reference signals together with the pilot signals which are included in signals reproduced from the plurality of rotary heads.
Research Organization:
Sandia National Laboratories (SNL), Albuquerque, NM, and Livermore, CA
DOE Contract Number:
;
Other Award/Contract Number:
AC04-76
Assignee:
Canon Kabushiki Kaisha (Tokyo, JP)
Patent Number(s):
US 4630146
OSTI ID:
866083
Country of Publication:
United States
Language:
English