JPS5665308A - Alternating-current bias supply system for magnetic recording - Google Patents

Alternating-current bias supply system for magnetic recording

Info

Publication number
JPS5665308A
JPS5665308A JP14086479A JP14086479A JPS5665308A JP S5665308 A JPS5665308 A JP S5665308A JP 14086479 A JP14086479 A JP 14086479A JP 14086479 A JP14086479 A JP 14086479A JP S5665308 A JPS5665308 A JP S5665308A
Authority
JP
Japan
Prior art keywords
bias currents
erasure
transistor
high frequency
rectangular wave
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.)
Granted
Application number
JP14086479A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6117043B2 (enrdf_load_stackoverflow
Inventor
Koichi Morioka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP14086479A priority Critical patent/JPS5665308A/ja
Publication of JPS5665308A publication Critical patent/JPS5665308A/ja
Publication of JPS6117043B2 publication Critical patent/JPS6117043B2/ja
Granted legal-status Critical Current

Links

JP14086479A 1979-10-31 1979-10-31 Alternating-current bias supply system for magnetic recording Granted JPS5665308A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14086479A JPS5665308A (en) 1979-10-31 1979-10-31 Alternating-current bias supply system for magnetic recording

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14086479A JPS5665308A (en) 1979-10-31 1979-10-31 Alternating-current bias supply system for magnetic recording

Publications (2)

Publication Number Publication Date
JPS5665308A true JPS5665308A (en) 1981-06-03
JPS6117043B2 JPS6117043B2 (enrdf_load_stackoverflow) 1986-05-06

Family

ID=15278511

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14086479A Granted JPS5665308A (en) 1979-10-31 1979-10-31 Alternating-current bias supply system for magnetic recording

Country Status (1)

Country Link
JP (1) JPS5665308A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5719520U (enrdf_load_stackoverflow) * 1980-07-04 1982-02-01
JPS60223008A (ja) * 1984-04-18 1985-11-07 Nec Corp バイアス制御装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5719520U (enrdf_load_stackoverflow) * 1980-07-04 1982-02-01
JPS60223008A (ja) * 1984-04-18 1985-11-07 Nec Corp バイアス制御装置

Also Published As

Publication number Publication date
JPS6117043B2 (enrdf_load_stackoverflow) 1986-05-06

Similar Documents

Publication Publication Date Title
EP0363147A3 (en) Recording and reproducing apparatus and recording and reproducing method and recording medium for the recording and reproducing method
JPS5687239A (en) Optical recording and reproducing device
JPS52119946A (en) Drive system for thermal recording unit
JPS5665308A (en) Alternating-current bias supply system for magnetic recording
JPS54128719A (en) Vertical magnetization recorder
JPS54121715A (en) Rotary type magnetic head
GB1067764A (en) Method and apparatus for determining hardness of ferromagnetic material
JPS55607A (en) Frequency discriminator
JPS5552529A (en) Magnetic recording and reproducing device
JPS5456805A (en) Method and apparatus for recording and reproducing
JPS5680A (en) Recording method of lead-in signal for magnetic recording and reproduction unit
JPS5573970A (en) Automatic gain control system
JPS5614959A (en) Power-factor detection circuit
JPS5288010A (en) Recording level setting apparatus for fm signal
JPS5229930A (en) Inverter apparatus having a constant voltage transformer
JPS55134327A (en) Analog input device
JPS54103328A (en) Bias setting method of tape recorder
JPS53119013A (en) Magnetic recording device
JPS5419719A (en) Magnetic recording or erasing system
JPS5580865A (en) Detection system for address mark of magnetic recording medium
JPS5480015A (en) Automatic output control circuit
JPS57138007A (en) Signal erasing device
JPS54153262A (en) Electric source control circuit
JPS5288009A (en) Magnetic recording and reproduction apparatus
JPS54122974A (en) Ion injection unit