JPS56107331A - Mounting device for video head - Google Patents

Mounting device for video head

Info

Publication number
JPS56107331A
JPS56107331A JP892380A JP892380A JPS56107331A JP S56107331 A JPS56107331 A JP S56107331A JP 892380 A JP892380 A JP 892380A JP 892380 A JP892380 A JP 892380A JP S56107331 A JPS56107331 A JP S56107331A
Authority
JP
Japan
Prior art keywords
head
track
picture
playback
wide
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.)
Pending
Application number
JP892380A
Other languages
Japanese (ja)
Inventor
Hiroshi Koyanai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsumi Electric Co Ltd
Original Assignee
Mitsumi Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsumi Electric Co Ltd filed Critical Mitsumi Electric Co Ltd
Priority to JP892380A priority Critical patent/JPS56107331A/en
Publication of JPS56107331A publication Critical patent/JPS56107331A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/52—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with simultaneous movement of head and record carrier, e.g. rotation of head
    • G11B5/53—Disposition or mounting of heads on rotating support
    • G11B5/531—Disposition of more than one recording or reproducing head on support rotating cyclically around an axis
    • G11B5/534—Disposition of more than one recording or reproducing head on support rotating cyclically around an axis inclined relative to the direction of movement of the tape, e.g. for helicoidal scanning

Abstract

PURPOSE:To obtain excellent picture without interference signal on playback picture, by taking the angle between the wide track head and narrow track head within around 9 degrees, on the rotary cylinder. CONSTITUTION:One head traces from the beginning to the end of the track 7 of a magnetic tape 8 in a half revolution of 0-180 deg.. One track has a half of the horizontal scanning lines, 525 lines, of television TV, and one revolution of the rotary cylinder 1 plays back one frame of TV screen. But, the number of scanning lines display on the TV screen is actually about 95%, and the rest 5% is appeared at the vertical blanking period. That is, by giving the playback signal component of the narrow head Hb running after the wide head HA into the reset 5%, unnecessary playback signal can be suppressed. This 5% corresponds to 9 deg. of the cylinder 1 for the revolution angle. Thus, by taking the angle between the wide and narrow heads as about 9 deg., the playback picture can be made good picture without interference signal.
JP892380A 1980-01-29 1980-01-29 Mounting device for video head Pending JPS56107331A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP892380A JPS56107331A (en) 1980-01-29 1980-01-29 Mounting device for video head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP892380A JPS56107331A (en) 1980-01-29 1980-01-29 Mounting device for video head

Publications (1)

Publication Number Publication Date
JPS56107331A true JPS56107331A (en) 1981-08-26

Family

ID=11706167

Family Applications (1)

Application Number Title Priority Date Filing Date
JP892380A Pending JPS56107331A (en) 1980-01-29 1980-01-29 Mounting device for video head

Country Status (1)

Country Link
JP (1) JPS56107331A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4757408A (en) * 1985-05-23 1988-07-12 Victor Company Of Japan, Ltd. Magnetic recording and/or reproducing apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5040498U (en) * 1973-08-02 1975-04-24
JPS5557144A (en) * 1978-10-20 1980-04-26 Murata Mfg Co Ltd Gas-sensitive and moisture-sensitive element

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5040498U (en) * 1973-08-02 1975-04-24
JPS5557144A (en) * 1978-10-20 1980-04-26 Murata Mfg Co Ltd Gas-sensitive and moisture-sensitive element

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4757408A (en) * 1985-05-23 1988-07-12 Victor Company Of Japan, Ltd. Magnetic recording and/or reproducing apparatus

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