JPH0216436U - - Google Patents
Info
- Publication number
- JPH0216436U JPH0216436U JP9544388U JP9544388U JPH0216436U JP H0216436 U JPH0216436 U JP H0216436U JP 9544388 U JP9544388 U JP 9544388U JP 9544388 U JP9544388 U JP 9544388U JP H0216436 U JPH0216436 U JP H0216436U
- Authority
- JP
- Japan
- Prior art keywords
- control signal
- magnetic tape
- circuit
- determining
- discrimination circuit
- 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
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Description
第１図はこの考案に係る磁気記録再生装置の一
例を示す要部のブロツク図、第２図は同磁気記録
再生装置におけるコントロール信号判別回路の具
体的構成を示す電気回路図、第３図は同コントロ
ール信号判別回路の変形例を示すブロツク図、第
４図は従来の磁気記録再生装置を示す要部のブロ
ツク図である。
１……磁気テープ、６……同期信号判別回路、
９……コントロール信号判別回路、１１……判別
出力手段。なお、図中、同一符号は同一もしくは
相当部分を示す。
FIG. 1 is a block diagram of the main parts of an example of a magnetic recording/reproducing device according to this invention, FIG. 2 is an electric circuit diagram showing a specific configuration of a control signal discrimination circuit in the magnetic recording/reproducing device, and FIG. FIG. 4 is a block diagram showing a modification of the control signal discriminating circuit, and FIG. 4 is a block diagram of the main parts of a conventional magnetic recording/reproducing apparatus. 1... Magnetic tape, 6... Synchronous signal discrimination circuit,
9... Control signal discrimination circuit, 11... Discrimination output means. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
信号の有無を判別する同期信号判別回路と、上記
磁気テープからコントロール信号の有無を判別す
るコントロール信号判別回路と、上記同期信号判
別回路の判別出力と上記コントロール信号判別回
路の判別出力とから上記磁気テープが未記録テー
プか否かを判別する判別出力手段とを具備したこ
とを特徴とする磁気記録再生装置。 a synchronous signal discrimination circuit for determining the presence or absence of a synchronous signal among signals reproduced from a magnetic tape; a control signal discrimination circuit for determining the presence or absence of a control signal from the magnetic tape; a discrimination output of the synchronous signal discrimination circuit; 1. A magnetic recording and reproducing apparatus comprising: a determination output means for determining whether or not the magnetic tape is an unrecorded tape based on the determination output of a control signal determination circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9544388U JPH0216436U (en) | 1988-07-19 | 1988-07-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9544388U JPH0216436U (en) | 1988-07-19 | 1988-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0216436U true JPH0216436U (en) | 1990-02-01 |
Family
ID=31320115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9544388U Pending JPH0216436U (en) | 1988-07-19 | 1988-07-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0216436U (en) |
-
1988
- 1988-07-19 JP JP9544388U patent/JPH0216436U/ja active Pending
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