KR890020366U - 방향조절장치가 장착된 스피커 - Google Patents

방향조절장치가 장착된 스피커

Info

Publication number
KR890020366U
KR890020366U KR2019880004055U KR880004055U KR890020366U KR 890020366 U KR890020366 U KR 890020366U KR 2019880004055 U KR2019880004055 U KR 2019880004055U KR 880004055 U KR880004055 U KR 880004055U KR 890020366 U KR890020366 U KR 890020366U
Authority
KR
South Korea
Prior art keywords
speaker
direction control
control
Prior art date
Application number
KR2019880004055U
Other languages
English (en)
Other versions
KR910002124Y1 (ko
Inventor
송석길
멀빈사피로
Original Assignee
송석길
멀빈사피로
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 송석길, 멀빈사피로 filed Critical 송석길
Priority to KR2019880004055U priority Critical patent/KR910002124Y1/ko
Publication of KR890020366U publication Critical patent/KR890020366U/ko
Application granted granted Critical
Publication of KR910002124Y1 publication Critical patent/KR910002124Y1/ko

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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/323—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only for loudspeakers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
KR2019880004055U 1988-03-26 1988-03-26 방향조절장치가 장착된 스피커 KR910002124Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019880004055U KR910002124Y1 (ko) 1988-03-26 1988-03-26 방향조절장치가 장착된 스피커

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019880004055U KR910002124Y1 (ko) 1988-03-26 1988-03-26 방향조절장치가 장착된 스피커

Publications (2)

Publication Number Publication Date
KR890020366U true KR890020366U (ko) 1989-10-05
KR910002124Y1 KR910002124Y1 (ko) 1991-04-04

Family

ID=19273543

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019880004055U KR910002124Y1 (ko) 1988-03-26 1988-03-26 방향조절장치가 장착된 스피커

Country Status (1)

Country Link
KR (1) KR910002124Y1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101012894B1 (ko) * 2004-06-14 2011-02-08 엘지전자 주식회사 홈 시어터의 이동 가능한 스피커시스템

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101012894B1 (ko) * 2004-06-14 2011-02-08 엘지전자 주식회사 홈 시어터의 이동 가능한 스피커시스템

Also Published As

Publication number Publication date
KR910002124Y1 (ko) 1991-04-04

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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: 19940401

Year of fee payment: 4

LAPS Lapse due to unpaid annual fee