KR930007824U - Speaker with optical fiber level meter (LEVEL METER) - Google Patents

Speaker with optical fiber level meter (LEVEL METER)

Info

Publication number
KR930007824U
KR930007824U KR2019910015286U KR910015286U KR930007824U KR 930007824 U KR930007824 U KR 930007824U KR 2019910015286 U KR2019910015286 U KR 2019910015286U KR 910015286 U KR910015286 U KR 910015286U KR 930007824 U KR930007824 U KR 930007824U
Authority
KR
South Korea
Prior art keywords
level meter
speaker
optical fiber
fiber level
meter
Prior art date
Application number
KR2019910015286U
Other languages
Korean (ko)
Other versions
KR930006188Y1 (en
Inventor
이춘걸
Original Assignee
이춘걸
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 이춘걸 filed Critical 이춘걸
Priority to KR2019910015286U priority Critical patent/KR930006188Y1/en
Publication of KR930007824U publication Critical patent/KR930007824U/en
Application granted granted Critical
Publication of KR930006188Y1 publication Critical patent/KR930006188Y1/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
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H04R29/008—Visual indication of individual signal levels

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
KR2019910015286U 1991-09-18 1991-09-18 Speaker with a optical fiber level meter KR930006188Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019910015286U KR930006188Y1 (en) 1991-09-18 1991-09-18 Speaker with a optical fiber level meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019910015286U KR930006188Y1 (en) 1991-09-18 1991-09-18 Speaker with a optical fiber level meter

Publications (2)

Publication Number Publication Date
KR930007824U true KR930007824U (en) 1993-04-26
KR930006188Y1 KR930006188Y1 (en) 1993-09-15

Family

ID=19319482

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019910015286U KR930006188Y1 (en) 1991-09-18 1991-09-18 Speaker with a optical fiber level meter

Country Status (1)

Country Link
KR (1) KR930006188Y1 (en)

Also Published As

Publication number Publication date
KR930006188Y1 (en) 1993-09-15

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Legal Events

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

Payment date: 19961125

Year of fee payment: 4

LAPS Lapse due to unpaid annual fee