JPS6425335A - Magnetic recording and reproducing device - Google Patents
Magnetic recording and reproducing deviceInfo
- Publication number
- JPS6425335A JPS6425335A JP62182707A JP18270787A JPS6425335A JP S6425335 A JPS6425335 A JP S6425335A JP 62182707 A JP62182707 A JP 62182707A JP 18270787 A JP18270787 A JP 18270787A JP S6425335 A JPS6425335 A JP S6425335A
- Authority
- JP
- Japan
- Prior art keywords
- output
- signal
- synthesizing
- voltage
- peak holding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
PURPOSE:To execute the high performance of an automatic tracking adjustment by comparing the output difference between the synthesizing envelope detecting output signal of a video signal and a HIFI signal and the synthesizing peak holding output signal of the video signal and the HIFI signal with a prescribed threshold and executing the tracking adjustment. CONSTITUTION:A video envelope detecting output 23 is potential-divided by a potential divider 125, on the other hand, an HIFI envelope detecting output 123 is potential-divided by a potential divider 127, this is added to an adder 130 and a synthesizing envelope signal is obtained. A video signal peak holding output 24 is voltage-divided by a voltage divider 126, on the other hand, a HIFI peak holding output 124 is voltage-divided by a potential divider 128, this is added by an adder 129 and a synthesizing peak holding signal is obtained. It is discriminated whether or not a voltage difference between a synthesizing peak holding output voltage which is the output of the adder 129 and a synthesizing envelope detecting output which is the output of the adder 130 exceeds a prescribed threshold, and the tracking at the time of reproduction is controlled. Thus, the high performance of an automatic tracking adjustment can be executed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62182707A JPH0636254B2 (en) | 1987-07-21 | 1987-07-21 | Magnetic recording / reproducing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62182707A JPH0636254B2 (en) | 1987-07-21 | 1987-07-21 | Magnetic recording / reproducing device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6425335A true JPS6425335A (en) | 1989-01-27 |
JPH0636254B2 JPH0636254B2 (en) | 1994-05-11 |
Family
ID=16123029
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62182707A Expired - Lifetime JPH0636254B2 (en) | 1987-07-21 | 1987-07-21 | Magnetic recording / reproducing device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0636254B2 (en) |
-
1987
- 1987-07-21 JP JP62182707A patent/JPH0636254B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0636254B2 (en) | 1994-05-11 |
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