JPS5611621A - Information recording and reproducing unit - Google Patents

Information recording and reproducing unit

Info

Publication number
JPS5611621A
JPS5611621A JP8394979A JP8394979A JPS5611621A JP S5611621 A JPS5611621 A JP S5611621A JP 8394979 A JP8394979 A JP 8394979A JP 8394979 A JP8394979 A JP 8394979A JP S5611621 A JPS5611621 A JP S5611621A
Authority
JP
Japan
Prior art keywords
head
recording
tracking
output
reproducing
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
JP8394979A
Other languages
Japanese (ja)
Inventor
Kenichi Sawazaki
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP8394979A priority Critical patent/JPS5611621A/en
Publication of JPS5611621A publication Critical patent/JPS5611621A/en
Pending legal-status Critical Current

Links

Landscapes

  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)

Abstract

PURPOSE: To simplify the construction, by oscillating the recording and reproducing head in fine amplitude with a given frequency toward the track width, detecting the tracking error signal and controlling the switching control mechanism with the tracking correction signal obtained from the comparison with the drive signal, in the recording and reproducing unit having the tracking switching control set.
CONSTITUTION: The recording and reproducing head 6 is moved to the direction of the tape width with the head moving stand 14 with the revolution of the pulse motor 12. The output Vf of the oscillator 19 oscillates the head 6 in the frequency of 5W20Hz and in the amplitude of 1/5W1/10 of the track width via the head wobbling control circuit 20, variable resistor 21, head position control circuit 18 and pulse motor 12. The output of the head 6 is compared with Vf at the ring modulator 27 via the video amplifiers 22, 23, smoothing circuit 24, and bandpass filter 25 to control the head position with the tracking correction signal Vc of the output. Accordingly, the tracking correction can automatically be made with a simple construction.
COPYRIGHT: (C)1981,JPO&Japio
JP8394979A 1979-07-04 1979-07-04 Information recording and reproducing unit Pending JPS5611621A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8394979A JPS5611621A (en) 1979-07-04 1979-07-04 Information recording and reproducing unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8394979A JPS5611621A (en) 1979-07-04 1979-07-04 Information recording and reproducing unit

Publications (1)

Publication Number Publication Date
JPS5611621A true JPS5611621A (en) 1981-02-05

Family

ID=13816830

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8394979A Pending JPS5611621A (en) 1979-07-04 1979-07-04 Information recording and reproducing unit

Country Status (1)

Country Link
JP (1) JPS5611621A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4754586A (en) * 1984-07-03 1988-07-05 Toyota Jidosha Kabushiki Kaisha Clip for fixing vehicle window glass

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4754586A (en) * 1984-07-03 1988-07-05 Toyota Jidosha Kabushiki Kaisha Clip for fixing vehicle window glass

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