KR890017196U - Recording switch microphone for recording and recording - Google Patents

Recording switch microphone for recording and recording

Info

Publication number
KR890017196U
KR890017196U KR2019880001393U KR880001393U KR890017196U KR 890017196 U KR890017196 U KR 890017196U KR 2019880001393 U KR2019880001393 U KR 2019880001393U KR 880001393 U KR880001393 U KR 880001393U KR 890017196 U KR890017196 U KR 890017196U
Authority
KR
South Korea
Prior art keywords
recording
switch microphone
microphone
switch
recording switch
Prior art date
Application number
KR2019880001393U
Other languages
Korean (ko)
Other versions
KR900002090Y1 (en
Inventor
신석균
Original Assignee
신석균
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 신석균 filed Critical 신석균
Priority to KR2019880001393U priority Critical patent/KR900002090Y1/en
Publication of KR890017196U publication Critical patent/KR890017196U/en
Application granted granted Critical
Publication of KR900002090Y1 publication Critical patent/KR900002090Y1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B7/00—Instruments for auscultation
    • A61B7/02—Stethoscopes
    • A61B7/04—Electric stethoscopes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/20—Circuits for coupling gramophone pick-up, recorder output, or microphone to receiver

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
KR2019880001393U 1988-02-08 1988-02-08 Sound recording stethoscope of recording with mike switching code KR900002090Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019880001393U KR900002090Y1 (en) 1988-02-08 1988-02-08 Sound recording stethoscope of recording with mike switching code

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019880001393U KR900002090Y1 (en) 1988-02-08 1988-02-08 Sound recording stethoscope of recording with mike switching code

Publications (2)

Publication Number Publication Date
KR890017196U true KR890017196U (en) 1989-09-06
KR900002090Y1 KR900002090Y1 (en) 1990-03-15

Family

ID=19272144

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019880001393U KR900002090Y1 (en) 1988-02-08 1988-02-08 Sound recording stethoscope of recording with mike switching code

Country Status (1)

Country Link
KR (1) KR900002090Y1 (en)

Also Published As

Publication number Publication date
KR900002090Y1 (en) 1990-03-15

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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: 19950315

Year of fee payment: 6

LAPS Lapse due to unpaid annual fee