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Title:
ROTATION SCANNING TYPE MAGNETIC RECORDING/REPRODUCING DEVICE
Document Type and Number:
Japanese Patent JP3238494
Kind Code:
B2
Abstract:

PURPOSE: To provide functions including a partial rewriting needed at a broadcasting station, etc., without increasing LED train for controlling a drum mounted circuit.
CONSTITUTION: An RF detector constituted of a detector amplifier 22, a peak detector 23 and a comparator 24 for detecting a recording RF signal is provided in a recording circuit connected to plural recording heads. Then, only during the period when the recording RF signal is detected, the amplifier 27 of an output stage is made to an active state via an and gate 25 and an output off circuit 26.


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Inventors:
Taiji Higashiyama
Akira Maekawa
Takanori Furusawa
Application Number:
JP28354492A
Publication Date:
December 17, 2001
Filing Date:
September 30, 1992
Export Citation:
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Assignee:
Toshiba Corporation
International Classes:
G11B5/02; G11B5/027; G11B15/14; (IPC1-7): G11B5/02; G11B15/14
Attorney, Agent or Firm:
Takehiko Suzue



 
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