JPS6381301U - - Google Patents
Info
- Publication number
- JPS6381301U JPS6381301U JP17570886U JP17570886U JPS6381301U JP S6381301 U JPS6381301 U JP S6381301U JP 17570886 U JP17570886 U JP 17570886U JP 17570886 U JP17570886 U JP 17570886U JP S6381301 U JPS6381301 U JP S6381301U
- Authority
- JP
- Japan
- Prior art keywords
- cueing
- bar
- finger
- detection circuit
- contact
- 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 4
- 239000002184 metal Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
- Amplifiers (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図ａ，ｂ，ｃは夫々キユーイングバーに触つた場
合の第１図各点のタイミングチヤート、第３図ａ
，ｂ，ｃは夫々キユーイングバーから手を離した
場合の第１図各点のタイミングチヤートである。
１……再生系路、４……オペアンプ、６……ミ
ユーテイング用トランジスター。
Figure 1 is a circuit diagram showing one embodiment of the present invention, Figure 2 is a circuit diagram showing an embodiment of the present invention.
Figures a, b, and c are timing charts for each point in Figure 1 when the cueing bar is touched, and Figure 3 is a.
, b, and c are timing charts at each point in FIG. 1 when the hand is released from the cueing bar. 1... Reproduction line, 4... Operational amplifier, 6... Muting transistor.
Claims (1)
ことで、ピツクアツプをレコード盤上に着下或い
はレコード盤上から離間させるようにしたレコー
ドプレーヤであつて、前記ピツクアツプからの再
生信号を導出する再生系路と、前記キユーイング
バーへの手指の接触・非接触を検知する検知回路
と、前記検知回路からの検知出力を受けて前記キ
ユーイングバーに手指が接触している間導通状態
となつて前記再生系路を接地するミユーテイング
用トランジスターとより成る事を特徴としたレコ
ードプレーヤのミユーテイング回路。 A record player in which a pick-up is placed on or separated from a record by operating a metal cueing bar with a finger, and a playback system that derives a playback signal from the pick-up. a detection circuit that detects contact/non-contact of a finger to the cueing bar; and a detection circuit that receives a detection output from the detection circuit and is in a conductive state while the finger is in contact with the cueing bar. A muting circuit for a record player characterized by comprising a muting transistor that grounds a playback path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17570886U JPS6381301U (en) | 1986-11-14 | 1986-11-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17570886U JPS6381301U (en) | 1986-11-14 | 1986-11-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6381301U true JPS6381301U (en) | 1988-05-28 |
Family
ID=31115283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17570886U Pending JPS6381301U (en) | 1986-11-14 | 1986-11-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6381301U (en) |
-
1986
- 1986-11-14 JP JP17570886U patent/JPS6381301U/ja active Pending
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