JPS5456804A - Auto reverse device of tape recorders - Google Patents

Auto reverse device of tape recorders

Info

Publication number
JPS5456804A
JPS5456804A JP12373177A JP12373177A JPS5456804A JP S5456804 A JPS5456804 A JP S5456804A JP 12373177 A JP12373177 A JP 12373177A JP 12373177 A JP12373177 A JP 12373177A JP S5456804 A JPS5456804 A JP S5456804A
Authority
JP
Japan
Prior art keywords
signal
recording
tape
remaining quantity
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.)
Granted
Application number
JP12373177A
Other languages
Japanese (ja)
Other versions
JPS6242341B2 (en
Inventor
Noriaki Naito
Kenkichi Umeda
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP12373177A priority Critical patent/JPS5456804A/en
Publication of JPS5456804A publication Critical patent/JPS5456804A/en
Publication of JPS6242341B2 publication Critical patent/JPS6242341B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To perform two-way recording automatically without interruption of recording contents by generating reverse signal according to the mutual relations of the connection time of the minimum level of recording-reproduction signal in a soundless state and tape remaining quantity detection signal.
CONSTITUTION: When the output of a recording signal amplification system 12 becomes a minimum level in a soundless state, the capacitor 26 in which the charge current of the capacitor 26 via detection amplifier 24, diode 25 of a signal level detection part 21 becomes nearly 0 discharges at a specified time constant. When the soundless state continues for a specified time, the output of an inverter 28 inverts. On the other hand, the tape remaining quantity detection part 22 detects the remaining quantity of the magnetic tape from the revolution period of a reel 2 or 3, detects the output signal through the frequency divider 30 of a revolution detector 29 with a period discrimination circuit 31, and opens an AND gate 23. Hence, the auto reverse via auto reverse driving circuit 42 is accomplished only near the tape end irrespective of the no-signal parts, etc. where discontinuation time owing to change of musics is short, whereby the automatic two-way recording free from any interruption on the recording contents is accomplished
COPYRIGHT: (C)1979,JPO&Japio
JP12373177A 1977-10-15 1977-10-15 Auto reverse device of tape recorders Granted JPS5456804A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12373177A JPS5456804A (en) 1977-10-15 1977-10-15 Auto reverse device of tape recorders

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12373177A JPS5456804A (en) 1977-10-15 1977-10-15 Auto reverse device of tape recorders

Publications (2)

Publication Number Publication Date
JPS5456804A true JPS5456804A (en) 1979-05-08
JPS6242341B2 JPS6242341B2 (en) 1987-09-08

Family

ID=14867946

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12373177A Granted JPS5456804A (en) 1977-10-15 1977-10-15 Auto reverse device of tape recorders

Country Status (1)

Country Link
JP (1) JPS5456804A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6020032U (en) * 1984-05-14 1985-02-12 パイオニア株式会社 Auto-reverse detection device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6020032U (en) * 1984-05-14 1985-02-12 パイオニア株式会社 Auto-reverse detection device
JPS6020180Y2 (en) * 1984-05-14 1985-06-17 パイオニア株式会社 Auto-reverse detection device

Also Published As

Publication number Publication date
JPS6242341B2 (en) 1987-09-08

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