CA1028770A - Magnetic tape reproducing system - Google Patents

Magnetic tape reproducing system

Info

Publication number
CA1028770A
CA1028770A CA174,453A CA174453A CA1028770A CA 1028770 A CA1028770 A CA 1028770A CA 174453 A CA174453 A CA 174453A CA 1028770 A CA1028770 A CA 1028770A
Authority
CA
Canada
Prior art keywords
magnetic tape
reproducing system
tape reproducing
magnetic
tape
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
Application number
CA174,453A
Other languages
French (fr)
Other versions
CA174453S (en
Inventor
Mineo Mino
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of CA1028770A publication Critical patent/CA1028770A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/782—Television signal recording using magnetic recording on tape
    • H04N5/783—Adaptations for reproducing at a rate different from the recording rate
    • 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
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/0007—Circuits or methods for reducing noise, for correction of distortion, or for changing density of recorded information
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/782—Television signal recording using magnetic recording on tape
    • H04N5/7824—Television signal recording using magnetic recording on tape with rotating magnetic heads
    • H04N5/7826—Television signal recording using magnetic recording on tape with rotating magnetic heads involving helical scanning of the magnetic tape

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
CA174,453A 1972-06-20 1973-06-19 Magnetic tape reproducing system Expired CA1028770A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7358772U JPS5228979Y2 (en) 1972-06-20 1972-06-20

Publications (1)

Publication Number Publication Date
CA1028770A true CA1028770A (en) 1978-03-28

Family

ID=13522576

Family Applications (1)

Application Number Title Priority Date Filing Date
CA174,453A Expired CA1028770A (en) 1972-06-20 1973-06-19 Magnetic tape reproducing system

Country Status (8)

Country Link
JP (1) JPS5228979Y2 (en)
AU (1) AU461022B2 (en)
CA (1) CA1028770A (en)
DE (1) DE2330886C2 (en)
FR (1) FR2189965B1 (en)
GB (1) GB1434135A (en)
IT (1) IT986179B (en)
NL (1) NL7308526A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5436709A (en) * 1977-08-26 1979-03-17 Sony Corp Position control circuit for rotary magnetic head
DE3045541A1 (en) * 1980-12-03 1982-07-01 Robert Bosch Gmbh, 7000 Stuttgart METHOD AND ARRANGEMENT FOR THE PLAYBACK OF VIDEO SIGNALS RECORDED ON A RECORDING CARRIER IN INDIVIDUAL TRACKS
DE3319878C1 (en) * 1983-06-01 1985-01-03 Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig & Co KG, 8510 Fürth Arrangement of a rotary transformer in a video device
DE3517380A1 (en) * 1985-05-14 1986-11-20 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Method of track finding

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3294902A (en) * 1963-12-30 1966-12-27 Ampex Fast, slow and stop motion reproduction using longitudinal recording and rotating heads
GB1060147A (en) * 1964-08-04 1967-03-01 Rank Bush Murphy Ltd Transducer head switching arrangements
DE1437684A1 (en) * 1965-12-24 1968-10-31 Grundig Emv Device on magnetic tape recorders for temporal stretching or gathering of video signals
DE1762475A1 (en) * 1968-06-22 1970-06-18 Telefunken Patent Arrangement for phase-accurate speed control of a rotating shaft

Also Published As

Publication number Publication date
NL7308526A (en) 1973-12-27
AU461022B2 (en) 1975-05-15
AU5755973A (en) 1975-01-09
GB1434135A (en) 1976-05-05
DE2330886C2 (en) 1987-07-09
JPS5228979Y2 (en) 1977-07-02
JPS4931321U (en) 1974-03-18
FR2189965A1 (en) 1974-01-25
DE2330886A1 (en) 1974-01-10
FR2189965B1 (en) 1978-05-26
IT986179B (en) 1975-01-20

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