JPS5498219A - Audio cassette tape recorder interface apparatus - Google Patents

Audio cassette tape recorder interface apparatus

Info

Publication number
JPS5498219A
JPS5498219A JP419678A JP419678A JPS5498219A JP S5498219 A JPS5498219 A JP S5498219A JP 419678 A JP419678 A JP 419678A JP 419678 A JP419678 A JP 419678A JP S5498219 A JPS5498219 A JP S5498219A
Authority
JP
Japan
Prior art keywords
date
delay time
reproducing
cassette tape
audio cassette
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
JP419678A
Other languages
Japanese (ja)
Inventor
Hidekazu Matsumoto
Norihiko Sugimoto
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP419678A priority Critical patent/JPS5498219A/en
Publication of JPS5498219A publication Critical patent/JPS5498219A/en
Pending legal-status Critical Current

Links

Landscapes

  • Digital Magnetic Recording (AREA)

Abstract

PURPOSE: To have correct date read in a microcomputer or the like without being affected by tape running speeds by recording pulses of a specified number at a fixed frequency in the front part of the date recording portions having been recorded in a cassette tape.
CONSTITUTION: Read errors of date are prevented by detecting tape running speeds at the reproducing and setting delay time TW at fresh delay time TW' . Here, the reproduction output A of an audio cassette taper recorder is waveform shaped to the pulse waveform B wherein rise and fall are sharp by a waveform shaping circuit. At the reproducing of start frame, the value of TW' is set by a time detection circuit 13 and delay time generating circuit 14. At the reproducing of date recording portions, judgement of date is accomplished according to the delay time TW'having been set.
COPYRIGHT: (C)1979,JPO&Japio
JP419678A 1978-01-20 1978-01-20 Audio cassette tape recorder interface apparatus Pending JPS5498219A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP419678A JPS5498219A (en) 1978-01-20 1978-01-20 Audio cassette tape recorder interface apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP419678A JPS5498219A (en) 1978-01-20 1978-01-20 Audio cassette tape recorder interface apparatus

Publications (1)

Publication Number Publication Date
JPS5498219A true JPS5498219A (en) 1979-08-03

Family

ID=11577917

Family Applications (1)

Application Number Title Priority Date Filing Date
JP419678A Pending JPS5498219A (en) 1978-01-20 1978-01-20 Audio cassette tape recorder interface apparatus

Country Status (1)

Country Link
JP (1) JPS5498219A (en)

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