JPS57169907A - Magnetic reproducer - Google Patents

Magnetic reproducer

Info

Publication number
JPS57169907A
JPS57169907A JP5658581A JP5658581A JPS57169907A JP S57169907 A JPS57169907 A JP S57169907A JP 5658581 A JP5658581 A JP 5658581A JP 5658581 A JP5658581 A JP 5658581A JP S57169907 A JPS57169907 A JP S57169907A
Authority
JP
Japan
Prior art keywords
pcm
synchronizing signal
analog
signal
output
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
JP5658581A
Other languages
Japanese (ja)
Inventor
Yuichi Mori
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Priority to JP5658581A priority Critical patent/JPS57169907A/en
Publication of JPS57169907A publication Critical patent/JPS57169907A/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
    • 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
    • G11B15/05—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container
    • G11B15/087—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container by sensing recorded signals
    • 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
    • G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
    • G11B5/00813—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes
    • G11B5/00878—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes transducing different track configurations or formats on the same tape
    • G11B5/00891—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes transducing different track configurations or formats on the same tape formats only, e.g. analog and digital

Landscapes

  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

PURPOSE:To reproduce both of magnetic tapes of analog recording and PCM recording, by detecting the presence or absence of a synchronizing signal. CONSTITUTION:A content recorded on a magnetic tape T is reproduced via a magnetic head H1 for analog and a magnetic head H2 for PCM to obtain respective reproducing signals (a) and (b). On the other hand, a switch control circuit CTL receives the output of a demodulation section DEM detecting a synchronizing signal and detects the presence or absnece of the synchronizing signal. When the synchronizing signal exists, a changeover switch SW is controlled in interlocking with a PCM signal to output a PCM reproducing signal (b). When no synchronizing signal exists, the switch SW is controlled to output an analog reproducing signal (a). Thus, reproducion can be made even when the magnetic tape T is recorded with PCM or analog signals.
JP5658581A 1981-04-14 1981-04-14 Magnetic reproducer Pending JPS57169907A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5658581A JPS57169907A (en) 1981-04-14 1981-04-14 Magnetic reproducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5658581A JPS57169907A (en) 1981-04-14 1981-04-14 Magnetic reproducer

Publications (1)

Publication Number Publication Date
JPS57169907A true JPS57169907A (en) 1982-10-19

Family

ID=13031248

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5658581A Pending JPS57169907A (en) 1981-04-14 1981-04-14 Magnetic reproducer

Country Status (1)

Country Link
JP (1) JPS57169907A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6275975A (en) * 1985-09-27 1987-04-07 Sony Corp Signal discriminating method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54126517A (en) * 1978-03-25 1979-10-01 Sony Corp Magnetic tape and signal reproducer thereof
JPS5634107A (en) * 1979-08-22 1981-04-06 Mitsubishi Electric Corp Reproducing apparatus of magnetic recording signal

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54126517A (en) * 1978-03-25 1979-10-01 Sony Corp Magnetic tape and signal reproducer thereof
JPS5634107A (en) * 1979-08-22 1981-04-06 Mitsubishi Electric Corp Reproducing apparatus of magnetic recording signal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6275975A (en) * 1985-09-27 1987-04-07 Sony Corp Signal discriminating method

Similar Documents

Publication Publication Date Title
JPS644976A (en) Data recorder
JPS54148421A (en) Automatic tracking device for rotary magnetic head
MY109162A (en) Improved magnetic recording/reproducing apparatus using segment recording system
EP0196216A3 (en) Apparatus for reproducing digital signals
EP0361804A3 (en) Apparatus for recording and/or reproducing information signals
EP0338812A3 (en) Magnetic tape recording/reproducing apparatus for digital video signals and associated digital sound signals, and corresponding recording/reproducing method
JPS57169907A (en) Magnetic reproducer
JPS53149308A (en) Recorder-reproducer of digital signals
JPS57191811A (en) Recording and reproducing device for sound multiplex video signal
JPS5750357A (en) Disk reproducer
JPS5391712A (en) Digital signal recorder-reproducer
JPS5321908A (en) Phase control circuit for video tape recorder
JPS5483410A (en) Pcm recorder-reproducer
JPS6453376A (en) Synchronizing controller
JPS52102010A (en) Signal recorder/reproducer by pcm system
JPS57169911A (en) Composite type pcm magnetic recorder and reproducer
JPS57127975A (en) Disc recording medium
JPS57103113A (en) Magnetic recorder and reproducer
JPS5760551A (en) Recording and reproducer
JPS52102012A (en) Signal recorder/reproducer by pcm system
JPS563476A (en) Magnetic recorder/reproducer
JPS5433009A (en) Tape recorder
JPS55135381A (en) Detection system for fixed position of magnetic recording tape
JPS5271214A (en) Playback method
JPS5677909A (en) Output circuit of pcm tape deck