KR890015556U - Outdoor megaphone - Google Patents

Outdoor megaphone

Info

Publication number
KR890015556U
KR890015556U KR2019870023552U KR870023552U KR890015556U KR 890015556 U KR890015556 U KR 890015556U KR 2019870023552 U KR2019870023552 U KR 2019870023552U KR 870023552 U KR870023552 U KR 870023552U KR 890015556 U KR890015556 U KR 890015556U
Authority
KR
South Korea
Prior art keywords
megaphone
outdoor
outdoor megaphone
Prior art date
Application number
KR2019870023552U
Other languages
Korean (ko)
Other versions
KR900008750Y1 (en
Inventor
유옥열
Original Assignee
유옥열
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 유옥열 filed Critical 유옥열
Priority to KR2019870023552U priority Critical patent/KR900008750Y1/en
Publication of KR890015556U publication Critical patent/KR890015556U/en
Application granted granted Critical
Publication of KR900008750Y1 publication Critical patent/KR900008750Y1/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
    • H04R27/00—Public address systems
    • H04R27/04—Electric megaphones

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Structure Of Receivers (AREA)
KR2019870023552U 1987-12-29 1987-12-29 Outdoor megaphone set KR900008750Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019870023552U KR900008750Y1 (en) 1987-12-29 1987-12-29 Outdoor megaphone set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019870023552U KR900008750Y1 (en) 1987-12-29 1987-12-29 Outdoor megaphone set

Publications (2)

Publication Number Publication Date
KR890015556U true KR890015556U (en) 1989-08-12
KR900008750Y1 KR900008750Y1 (en) 1990-09-22

Family

ID=19270944

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019870023552U KR900008750Y1 (en) 1987-12-29 1987-12-29 Outdoor megaphone set

Country Status (1)

Country Link
KR (1) KR900008750Y1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100381659B1 (en) * 2000-09-21 2003-04-26 위니아만도 주식회사 Structure of Kimchi Storage For Bottom Member

Also Published As

Publication number Publication date
KR900008750Y1 (en) 1990-09-22

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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: 19930921

Year of fee payment: 6

LAPS Lapse due to unpaid annual fee