JPS6340831U - - Google Patents
Info
- Publication number
- JPS6340831U JPS6340831U JP13471686U JP13471686U JPS6340831U JP S6340831 U JPS6340831 U JP S6340831U JP 13471686 U JP13471686 U JP 13471686U JP 13471686 U JP13471686 U JP 13471686U JP S6340831 U JPS6340831 U JP S6340831U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- circuit
- recorded
- detection
- magnetic tape
- 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
- 238000001514 detection method Methods 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000003321 amplification Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
Landscapes
- Management Or Editing Of Information On Record Carriers (AREA)
Description
第１図は本考案の磁気記録再生装置の再生系の
ブロツク図、第２図はその記録系のブロツク図、
第３図はその磁気テープの記録状態の説明図、第
４図はそのタイミングチヤート、第５図はそのフ
ローチヤート、第６図は回転ヘツドと磁気テープ
の説明図、第７図及び第８図は傾斜トラツクの説
明図である。
１……回転ドラム、２……回転ヘツド、３……
磁気テープ、１１……映像信号記録回路、１２，
１３……スイツチ、１４，１５……増幅回路、１
６……ロータリトランス、１７……ＰＣＭ信号記
録回路、１８……タイミング信号発生回路、２１
，２２……増幅回路、２３，２４，２５……スイ
ツチ、２６……映像信号再生回路、２７……ＰＣ
Ｍ信号再生回路、２８……オア回路、２９……端
子、３０……再生信号検出回路、３１……映像信
号検出回路、３２……ＰＣＭ信号検出回路、３３
，３４……アンド回路、３５……検索回路、３６
……スイツチ。
Fig. 1 is a block diagram of the reproducing system of the magnetic recording/reproducing apparatus of the present invention, and Fig. 2 is a block diagram of its recording system.
Fig. 3 is an explanatory diagram of the recording state of the magnetic tape, Fig. 4 is a timing chart thereof, Fig. 5 is a flowchart thereof, Fig. 6 is an explanatory diagram of the rotating head and magnetic tape, and Figs. 7 and 8. is an explanatory diagram of an inclined track. 1... Rotating drum, 2... Rotating head, 3...
magnetic tape, 11... video signal recording circuit, 12,
13...Switch, 14, 15...Amplification circuit, 1
6... Rotary transformer, 17... PCM signal recording circuit, 18... Timing signal generation circuit, 21
, 22...Amplification circuit, 23, 24, 25...Switch, 26...Video signal reproducing circuit, 27...PC
M signal reproduction circuit, 28...OR circuit, 29...terminal, 30...playback signal detection circuit, 31...video signal detection circuit, 32...PCM signal detection circuit, 33
, 34...AND circuit, 35...Search circuit, 36
...Switch.
Claims (1)
に第１の信号を記録再生する第１のモードと、該
傾斜トラツクを複数の領域に区分し、少なくとも
１つの該領域に第２の信号を記録再生する第２の
モードとを有する磁気記録再生装置において、 高速で走行される該磁気テープの再生信号から
該第１の信号が記録されていることを検出する第
１の検出回路と、該再生装置から該第２の信号が
記録されていることを検出する第２の検出回路と
、該再生信号から該第１の信号又は該第２の信号
のいずれかが記録されていることを検出する第３
の検出回路のうち少なくとも２つの該検出回路と
、少なくとも２つの該検出回路の出力より得られ
る２つの信号の一方を選択する選択回路と、該選
択回路の出力より該第１の信号又は該第２の信号
の始点又は終点を検索する検索回路とを備えるこ
とを特徴とする磁気記録再生装置。[Claims for Utility Model Registration] A first mode in which a first signal is recorded and reproduced on a tilted track on a magnetic tape by a rotating head, and the tilted track is divided into a plurality of areas, and at least one of the areas is and a second mode for recording and reproducing the second signal, the first detection detecting that the first signal is recorded from the reproduction signal of the magnetic tape running at high speed. a second detection circuit that detects that the second signal is recorded from the playback device; and a second detection circuit that detects that the second signal is recorded from the playback signal; 3rd to detect that
a selection circuit that selects one of two signals obtained from the outputs of the at least two detection circuits; and a selection circuit that selects one of the two signals obtained from the outputs of the at least two detection circuits; 1. A magnetic recording and reproducing apparatus comprising: a search circuit for searching for a start point or an end point of a signal of No. 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13471686U JPS6340831U (en) | 1986-09-02 | 1986-09-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13471686U JPS6340831U (en) | 1986-09-02 | 1986-09-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6340831U true JPS6340831U (en) | 1988-03-17 |
Family
ID=31036217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13471686U Pending JPS6340831U (en) | 1986-09-02 | 1986-09-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6340831U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6025718U (en) * | 1983-07-25 | 1985-02-21 | 鳴滝 紫明 | Cuffs for suit |
| JPS61162849A (en) * | 1985-01-14 | 1986-07-23 | Matsushita Electric Ind Co Ltd | Device for magnetic recording and reproducing |
-
1986
- 1986-09-02 JP JP13471686U patent/JPS6340831U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6025718U (en) * | 1983-07-25 | 1985-02-21 | 鳴滝 紫明 | Cuffs for suit |
| JPS61162849A (en) * | 1985-01-14 | 1986-07-23 | Matsushita Electric Ind Co Ltd | Device for magnetic recording and reproducing |
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