KR890014598U - Automatic hearing correction circuit of sound equipment - Google Patents

Automatic hearing correction circuit of sound equipment

Info

Publication number
KR890014598U
KR890014598U KR2019870022329U KR870022329U KR890014598U KR 890014598 U KR890014598 U KR 890014598U KR 2019870022329 U KR2019870022329 U KR 2019870022329U KR 870022329 U KR870022329 U KR 870022329U KR 890014598 U KR890014598 U KR 890014598U
Authority
KR
South Korea
Prior art keywords
correction circuit
sound equipment
hearing correction
automatic hearing
automatic
Prior art date
Application number
KR2019870022329U
Other languages
Korean (ko)
Other versions
KR910000521Y1 (en
Inventor
라광운
Original Assignee
삼성전자 주식회사
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 삼성전자 주식회사 filed Critical 삼성전자 주식회사
Priority to KR2019870022329U priority Critical patent/KR910000521Y1/en
Publication of KR890014598U publication Critical patent/KR890014598U/en
Application granted granted Critical
Publication of KR910000521Y1 publication Critical patent/KR910000521Y1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/32—Automatic control in amplifiers having semiconductor devices the control being dependent upon ambient noise level or sound level

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Amplifiers (AREA)
KR2019870022329U 1987-12-18 1987-12-18 Automatic compensating circuit of sonic feeling for sonic commodities KR910000521Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019870022329U KR910000521Y1 (en) 1987-12-18 1987-12-18 Automatic compensating circuit of sonic feeling for sonic commodities

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019870022329U KR910000521Y1 (en) 1987-12-18 1987-12-18 Automatic compensating circuit of sonic feeling for sonic commodities

Publications (2)

Publication Number Publication Date
KR890014598U true KR890014598U (en) 1989-08-11
KR910000521Y1 KR910000521Y1 (en) 1991-01-25

Family

ID=19270443

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019870022329U KR910000521Y1 (en) 1987-12-18 1987-12-18 Automatic compensating circuit of sonic feeling for sonic commodities

Country Status (1)

Country Link
KR (1) KR910000521Y1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200496106Y1 (en) * 2020-05-20 2022-11-03 강성기 Sanitary block plate capable of height control and holding sanitary mask

Also Published As

Publication number Publication date
KR910000521Y1 (en) 1991-01-25

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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: 19971229

Year of fee payment: 8

LAPS Lapse due to unpaid annual fee