JPH0320113B2 - - Google Patents
Info
- Publication number
- JPH0320113B2 JPH0320113B2 JP55038933A JP3893380A JPH0320113B2 JP H0320113 B2 JPH0320113 B2 JP H0320113B2 JP 55038933 A JP55038933 A JP 55038933A JP 3893380 A JP3893380 A JP 3893380A JP H0320113 B2 JPH0320113 B2 JP H0320113B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- frequency
- counter
- phase
- circuit
- 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.)
- Expired - Lifetime
Links
- 238000001514 detection method Methods 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 9
- 230000003111 delayed effect Effects 0.000 description 5
- 230000000630 rising effect Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/02—Control of operating function, e.g. switching from recording to reproducing
- G11B15/12—Masking of heads; circuits for Selecting or switching of heads between operative and inoperative functions or between different operative functions or for selection between operative heads; Masking of beams, e.g. of light beams
- G11B15/14—Masking or switching periodically, e.g. of rotating heads
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
- G11B15/1808—Driving of both record carrier and head
Landscapes
- Television Signal Processing For Recording (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3893380A JPS56136090A (en) | 1980-03-28 | 1980-03-28 | Magnetic recorder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3893380A JPS56136090A (en) | 1980-03-28 | 1980-03-28 | Magnetic recorder |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56136090A JPS56136090A (en) | 1981-10-23 |
JPH0320113B2 true JPH0320113B2 (ko) | 1991-03-18 |
Family
ID=12539022
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3893380A Granted JPS56136090A (en) | 1980-03-28 | 1980-03-28 | Magnetic recorder |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56136090A (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0246483U (ko) * | 1988-09-26 | 1990-03-29 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5350713A (en) * | 1976-10-18 | 1978-05-09 | Matsushita Electric Ind Co Ltd | Magnetic picture recording and reproducing apparatus |
-
1980
- 1980-03-28 JP JP3893380A patent/JPS56136090A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5350713A (en) * | 1976-10-18 | 1978-05-09 | Matsushita Electric Ind Co Ltd | Magnetic picture recording and reproducing apparatus |
Also Published As
Publication number | Publication date |
---|---|
JPS56136090A (en) | 1981-10-23 |
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