KR850002263U - 메 가 폰 - Google Patents

메 가 폰

Info

Publication number
KR850002263U
KR850002263U KR2019830007298U KR830007298U KR850002263U KR 850002263 U KR850002263 U KR 850002263U KR 2019830007298 U KR2019830007298 U KR 2019830007298U KR 830007298 U KR830007298 U KR 830007298U KR 850002263 U KR850002263 U KR 850002263U
Authority
KR
South Korea
Prior art keywords
megaphone
Prior art date
Application number
KR2019830007298U
Other languages
English (en)
Other versions
KR850001791Y1 (ko
Inventor
한익전
Original Assignee
한익전
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 한익전 filed Critical 한익전
Priority to KR2019830007298U priority Critical patent/KR850001791Y1/ko
Publication of KR850002263U publication Critical patent/KR850002263U/ko
Application granted granted Critical
Publication of KR850001791Y1 publication Critical patent/KR850001791Y1/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
    • H04R27/00—Public address systems
    • H04R27/04—Electric megaphones

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuits Of Receivers In General (AREA)
KR2019830007298U 1983-08-19 1983-08-19 메 가 폰 KR850001791Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019830007298U KR850001791Y1 (ko) 1983-08-19 1983-08-19 메 가 폰

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019830007298U KR850001791Y1 (ko) 1983-08-19 1983-08-19 메 가 폰

Publications (2)

Publication Number Publication Date
KR850002263U true KR850002263U (ko) 1985-04-22
KR850001791Y1 KR850001791Y1 (ko) 1985-08-19

Family

ID=70158766

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019830007298U KR850001791Y1 (ko) 1983-08-19 1983-08-19 메 가 폰

Country Status (1)

Country Link
KR (1) KR850001791Y1 (ko)

Also Published As

Publication number Publication date
KR850001791Y1 (ko) 1985-08-19

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Legal Events

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E701 Decision to grant or registration of patent right
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Payment date: 19890816

Year of fee payment: 5

LAPS Lapse due to unpaid annual fee