KR890003735U - 전자식 가변저항 - Google Patents

전자식 가변저항

Info

Publication number
KR890003735U
KR890003735U KR2019870011700U KR870011700U KR890003735U KR 890003735 U KR890003735 U KR 890003735U KR 2019870011700 U KR2019870011700 U KR 2019870011700U KR 870011700 U KR870011700 U KR 870011700U KR 890003735 U KR890003735 U KR 890003735U
Authority
KR
South Korea
Prior art keywords
variable resistor
electronic variable
electronic
resistor
variable
Prior art date
Application number
KR2019870011700U
Other languages
English (en)
Other versions
KR900002019Y1 (ko
Inventor
고정완
박정세
Original Assignee
삼성전자주식회사
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 삼성전자주식회사 filed Critical 삼성전자주식회사
Priority to KR2019870011700U priority Critical patent/KR900002019Y1/ko
Publication of KR890003735U publication Critical patent/KR890003735U/ko
Application granted granted Critical
Publication of KR900002019Y1 publication Critical patent/KR900002019Y1/ko

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/002—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers
    • H03G7/004—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers using continuously variable impedance devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/06—Volume compression or expansion in amplifiers having semiconductor devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Networks Using Active Elements (AREA)
KR2019870011700U 1987-07-16 1987-07-16 전자식 가변저항 KR900002019Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019870011700U KR900002019Y1 (ko) 1987-07-16 1987-07-16 전자식 가변저항

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019870011700U KR900002019Y1 (ko) 1987-07-16 1987-07-16 전자식 가변저항

Publications (2)

Publication Number Publication Date
KR890003735U true KR890003735U (ko) 1989-04-13
KR900002019Y1 KR900002019Y1 (ko) 1990-03-12

Family

ID=19265341

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019870011700U KR900002019Y1 (ko) 1987-07-16 1987-07-16 전자식 가변저항

Country Status (1)

Country Link
KR (1) KR900002019Y1 (ko)

Also Published As

Publication number Publication date
KR900002019Y1 (ko) 1990-03-12

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 20010227

Year of fee payment: 12

LAPS Lapse due to unpaid annual fee