Rotary head type reproducing apparatus
Patent
·
OSTI ID:866083
- Kanagawa, JP
- Tokyo, JP
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 (United States)
- DOE 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
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Related Subjects
rotary
head
type
reproducing
apparatus
arranged
reproduce
plurality
heads
information
signal
record
bearing
medium
recording
tracks
parallel
recorded
therein
pilot
signals
frequencies
reference
simultaneously
generated
tracking
error
detected
included
reproduced
information signal
reference signal
rotary head
simultaneously generate
producing apparatus
bearing medium
/360/386/
head
type
reproducing
apparatus
arranged
reproduce
plurality
heads
information
signal
record
bearing
medium
recording
tracks
parallel
recorded
therein
pilot
signals
frequencies
reference
simultaneously
generated
tracking
error
detected
included
reproduced
information signal
reference signal
rotary head
simultaneously generate
producing apparatus
bearing medium
/360/386/