JPS61105904U - - Google Patents
Info
- Publication number
- JPS61105904U JPS61105904U JP18876284U JP18876284U JPS61105904U JP S61105904 U JPS61105904 U JP S61105904U JP 18876284 U JP18876284 U JP 18876284U JP 18876284 U JP18876284 U JP 18876284U JP S61105904 U JPS61105904 U JP S61105904U
- Authority
- JP
- Japan
- Prior art keywords
- recording
- signal
- amplifier
- capacitor
- variable resistor
- 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
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Amplifiers (AREA)
Description
第１図は本考案に係る交流バイアス記録回路の
一実施例を示す回路図、第２図は同じく他の実施
例を示す回路図、第３図は同じく更に他の実施例
を示す回路図である。第４図は従来の交流バイア
ス記録回路の一例を示す回路図、第５図は同じく
他の例を示す回路図である。
２２……増幅器、２４……可変抵抗、２５……
コイル、２６……抵抗、２７……録音ヘツド、２
８……コンデンサ、２９……可変抵抗。
FIG. 1 is a circuit diagram showing one embodiment of the AC bias recording circuit according to the present invention, FIG. 2 is a circuit diagram showing another embodiment, and FIG. 3 is a circuit diagram showing still another embodiment. be. FIG. 4 is a circuit diagram showing an example of a conventional AC bias recording circuit, and FIG. 5 is a circuit diagram showing another example. 22...Amplifier, 24...Variable resistor, 25...
Coil, 26...Resistor, 27...Recording head, 2
8... Capacitor, 29... Variable resistor.
Claims (1)
れる交流バイアス信号に記録信号を重畳した信号
を増幅する増幅器と、この増幅器の出力端に接続
され上記交流バイアス信号の周波数で共振する少
なくともコイルとコンデンサから成る直列共振回
路と、この直列回路に接続された抵抗器と記録ヘ
ツドから成る直列回路とを備えた交流バイアス記
録回路。 a variable resistor, an amplifier for amplifying a signal obtained by superimposing a recording signal on an AC bias signal supplied via the variable resistor, and at least a coil connected to the output end of the amplifier and resonating at the frequency of the AC bias signal. an alternating current bias recording circuit comprising a series resonant circuit consisting of a capacitor and a capacitor, and a series circuit consisting of a resistor and a recording head connected to the series circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18876284U JPS61105904U (en) | 1984-12-14 | 1984-12-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18876284U JPS61105904U (en) | 1984-12-14 | 1984-12-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61105904U true JPS61105904U (en) | 1986-07-05 |
Family
ID=30746226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18876284U Pending JPS61105904U (en) | 1984-12-14 | 1984-12-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61105904U (en) |
-
1984
- 1984-12-14 JP JP18876284U patent/JPS61105904U/ja active Pending