JPH01121135U - - Google Patents
Info
- Publication number
- JPH01121135U JPH01121135U JP1624988U JP1624988U JPH01121135U JP H01121135 U JPH01121135 U JP H01121135U JP 1624988 U JP1624988 U JP 1624988U JP 1624988 U JP1624988 U JP 1624988U JP H01121135 U JPH01121135 U JP H01121135U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- signal
- output signal
- reset signal
- 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 5
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000003321 amplification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Landscapes
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Description
第１図は本考案のテープ寿命検出回路の一実施
例を示すブロツク図、第２図は本考案のテープ寿
命検出回路の一実施例を示す回路図、第３図は本
考案のテープ寿命検出回路の他の実施例を示すブ
ロツク図である。
１……テープ寿命検出回路、２……ドロツプア
ウト補償回路、３……増幅回路、４……リセツト
信号作成回路、５……計数回路、６……判定回路
、７……表示手段。
Fig. 1 is a block diagram showing an embodiment of the tape life detection circuit of the present invention, Fig. 2 is a circuit diagram showing an embodiment of the tape life detection circuit of the present invention, and Fig. 3 is a block diagram showing an embodiment of the tape life detection circuit of the present invention. FIG. 6 is a block diagram showing another embodiment of the circuit. DESCRIPTION OF SYMBOLS 1... Tape life detection circuit, 2... Dropout compensation circuit, 3... Amplification circuit, 4... Reset signal generation circuit, 5... Counting circuit, 6... Judgment circuit, 7... Display means.
Claims (1)
補償回路と、このドロツプアウト補償回路の出力
信号を増幅する増幅回路と、再生コントロール信
号若しくはヘツドスイツチパルスを用いて所定の
周波数のリセツト信号を作るリセツト信号作成回
路と、前記増幅回路の出力信号を前記リセツト信
号の一周期間にわたつて計数する計数回路と、こ
の計数回路の出力信号に応じてテープ状態を判定
する判定回路と、この判定回路の出力信号に応じ
てテープ状態の表示を行う表示手段とを具備して
成ることを特徴とするテープ寿命検出回路。 A dropout compensation circuit for detecting a loss of a reproduced FM signal, an amplifier circuit for amplifying the output signal of the dropout compensation circuit, and a reset signal generation circuit for generating a reset signal of a predetermined frequency using a reproduction control signal or a head switch pulse. , a counting circuit that counts the output signal of the amplifier circuit over one cycle of the reset signal; a determination circuit that determines the tape state according to the output signal of the counting circuit; 1. A tape life detection circuit comprising display means for displaying a tape state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1624988U JPH01121135U (en) | 1988-02-12 | 1988-02-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1624988U JPH01121135U (en) | 1988-02-12 | 1988-02-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01121135U true JPH01121135U (en) | 1989-08-16 |
Family
ID=31229012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1624988U Pending JPH01121135U (en) | 1988-02-12 | 1988-02-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01121135U (en) |
-
1988
- 1988-02-12 JP JP1624988U patent/JPH01121135U/ja active Pending