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JPS5538645A - Controller for run speed of magnetic tape - Google Patents

Controller for run speed of magnetic tape

Info

Publication number
JPS5538645A
JPS5538645A JP11013078A JP11013078A JPS5538645A JP S5538645 A JPS5538645 A JP S5538645A JP 11013078 A JP11013078 A JP 11013078A JP 11013078 A JP11013078 A JP 11013078A JP S5538645 A JPS5538645 A JP S5538645A
Authority
JP
Japan
Prior art keywords
signal
circuit
sound
modulated
supplied
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.)
Granted
Application number
JP11013078A
Other languages
Japanese (ja)
Other versions
JPS5847775B2 (en
Inventor
Yuji Doi
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 JP53110130A priority Critical patent/JPS5847775B2/en
Publication of JPS5538645A publication Critical patent/JPS5538645A/en
Publication of JPS5847775B2 publication Critical patent/JPS5847775B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To simplify mechanical constitution by eliminating the needs for a track and head used only for speed control, by recording a speed control signal on the same track as a sound signal.
CONSTITUTION: Reference signal (a) of reference oscillation circuit 1 is inputted to modulator circuit 2, where reference signal (a) is modulated by control data signal (b). Modulated signal (c) obtained in this way is recorded on magnetic tape 3 together with a sound signal through recording head 4 after being supplied to post- stage superposition circuit 7. Next, a sound superposition signal regenerated by regenerative head 5 is supplied to separator circuit 13, where it is separted by a filter inside of this circuit into the sound signal and modulated signal (d), and the sound signal is derived from 14 while modulated signal (d) is supplied to demodulating circuit 15, which outputs a speed signal. In this way, the needs for a track and head used only for the control are eliminated and mechanical constitution can be simplified.
COPYRIGHT: (C)1980,JPO&Japio
JP53110130A 1978-09-06 1978-09-06 Magnetic tape running speed control device Expired JPS5847775B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP53110130A JPS5847775B2 (en) 1978-09-06 1978-09-06 Magnetic tape running speed control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53110130A JPS5847775B2 (en) 1978-09-06 1978-09-06 Magnetic tape running speed control device

Publications (2)

Publication Number Publication Date
JPS5538645A true JPS5538645A (en) 1980-03-18
JPS5847775B2 JPS5847775B2 (en) 1983-10-25

Family

ID=14527777

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53110130A Expired JPS5847775B2 (en) 1978-09-06 1978-09-06 Magnetic tape running speed control device

Country Status (1)

Country Link
JP (1) JPS5847775B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4542424A (en) * 1981-03-25 1985-09-17 Sony Corporation Tape speed control apparatus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4847308A (en) * 1971-10-14 1973-07-05

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4847308A (en) * 1971-10-14 1973-07-05

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4542424A (en) * 1981-03-25 1985-09-17 Sony Corporation Tape speed control apparatus
AT389789B (en) * 1981-03-25 1990-01-25 Sony Corp DEVICE FOR RECORDING AND / OR PLAYING BACK INFORMATION SIGNALS

Also Published As

Publication number Publication date
JPS5847775B2 (en) 1983-10-25

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