JPS5498219A - Audio cassette tape recorder interface apparatus - Google Patents
Audio cassette tape recorder interface apparatusInfo
- 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
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
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) |
-
1978
- 1978-01-20 JP JP419678A patent/JPS5498219A/en active Pending
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