KR970021964U - Drowsiness prevention device using noise - Google Patents

Drowsiness prevention device using noise

Info

Publication number
KR970021964U
KR970021964U KR2019950034567U KR19950034567U KR970021964U KR 970021964 U KR970021964 U KR 970021964U KR 2019950034567 U KR2019950034567 U KR 2019950034567U KR 19950034567 U KR19950034567 U KR 19950034567U KR 970021964 U KR970021964 U KR 970021964U
Authority
KR
South Korea
Prior art keywords
noise
prevention device
drowsiness prevention
drowsiness
prevention
Prior art date
Application number
KR2019950034567U
Other languages
Korean (ko)
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 filed Critical
Priority to KR2019950034567U priority Critical patent/KR970021964U/en
Publication of KR970021964U publication Critical patent/KR970021964U/en

Links

KR2019950034567U 1995-11-21 1995-11-21 Drowsiness prevention device using noise KR970021964U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019950034567U KR970021964U (en) 1995-11-21 1995-11-21 Drowsiness prevention device using noise

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019950034567U KR970021964U (en) 1995-11-21 1995-11-21 Drowsiness prevention device using noise

Publications (1)

Publication Number Publication Date
KR970021964U true KR970021964U (en) 1997-06-18

Family

ID=60905176

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019950034567U KR970021964U (en) 1995-11-21 1995-11-21 Drowsiness prevention device using noise

Country Status (1)

Country Link
KR (1) KR970021964U (en)

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application