JPS6172093U - - Google Patents
Info
- Publication number
- JPS6172093U JPS6172093U JP1984154566U JP15456684U JPS6172093U JP S6172093 U JPS6172093 U JP S6172093U JP 1984154566 U JP1984154566 U JP 1984154566U JP 15456684 U JP15456684 U JP 15456684U JP S6172093 U JPS6172093 U JP S6172093U
- Authority
- JP
- Japan
- Prior art keywords
- motor
- control circuit
- rotational speed
- voltage
- recording medium
- 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
- 238000012544 monitoring process Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
Landscapes
- Control Of Electric Motors In General (AREA)
- Control Of Direct Current Motors (AREA)
Description
第１図は本考案の一実施例を示した構成図、及
びその説明に供する図、第２図は従来例を示した
構成図、及びその説明に供する図で、
１……位相比較器、２……フイルタ、３……モ
ータ速度制御回路、４……モータ、５……周波数
発電器、６……記録媒体、７……ピツクアツプ、
８……クロツク再生回路、８……掛算器、９〜１
１……演算増幅器、ＳＷ１，ＳＷ２……スイツチ
、Ｒ１〜Ｒ４……抵抗、Ｃ１〜Ｃ３……コンデン
サ。
FIG. 1 is a block diagram showing an embodiment of the present invention and a diagram for explaining the same, and FIG. 2 is a block diagram showing a conventional example and a diagram for explaining the same. 1... Phase comparator; 2... Filter, 3... Motor speed control circuit, 4... Motor, 5... Frequency generator, 6... Recording medium, 7... Pickup,
8...Clock regeneration circuit, 8...Multiplier, 9-1
1...Operation amplifier, SW1, SW2...Switch, R1-R4...Resistor, C1-C3...Capacitor.
Claims (1)
く該記録媒体を駆動するモータと、該モータの回
転速度を直流入力電圧に比例した回転速度に制御
するモータ速度制御回路と、再生クロツク信号を
所定の周期とすべく、前記モータ速度制御回路に
直流電圧を出力する再生クロツク監視回路とから
なり、該再生クロツク監視回路のゲインが前記直
流電圧に比例して変化することを特徴とするモー
タ制御回路。 A motor that drives the recording medium to reproduce the clock signal recorded on the recording medium, a motor speed control circuit that controls the rotational speed of the motor to a rotational speed proportional to the DC input voltage, and a motor speed control circuit that controls the rotational speed of the motor to a rotational speed proportional to the DC input voltage. 1. A motor control circuit comprising a regenerated clock monitoring circuit that outputs a DC voltage to the motor speed control circuit in order to adjust the cycle, and a gain of the regenerated clock monitoring circuit changes in proportion to the DC voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984154566U JPS6172093U (en) | 1984-10-13 | 1984-10-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984154566U JPS6172093U (en) | 1984-10-13 | 1984-10-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6172093U true JPS6172093U (en) | 1986-05-16 |
Family
ID=30712557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984154566U Pending JPS6172093U (en) | 1984-10-13 | 1984-10-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6172093U (en) |
-
1984
- 1984-10-13 JP JP1984154566U patent/JPS6172093U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6172093U (en) | ||
| JPS58125275U (en) | disc playback device | |
| JPS5919964Y2 (en) | Motor servo circuit | |
| JPS63105940U (en) | ||
| JPS622392U (en) | ||
| JPH03106420U (en) | ||
| JPH0519863Y2 (en) | ||
| JPS62138341U (en) | ||
| JPS5828310U (en) | Recording medium rotation control circuit | |
| JPH0576105B2 (en) | ||
| JPS63142032U (en) | ||
| JPS6255266U (en) | ||
| JPS5810259U (en) | Head servo circuit | |
| JPS61178504U (en) | ||
| JPS6059799U (en) | Motor speed control circuit | |
| JPS58109839U (en) | Control signal regeneration circuit | |
| JPH0212764U (en) | ||
| JPS6280258U (en) | ||
| JPH0371453U (en) | ||
| JPS6047145U (en) | magnetic recording device | |
| JPS60155037U (en) | magnetic recording and reproducing device | |
| JPH0235304U (en) | ||
| JPH0371452U (en) | ||
| JPS63176905U (en) | ||
| JPS6381358U (en) |