KR890021261U - 항공장애물 표시등 - Google Patents
항공장애물 표시등Info
- Publication number
- KR890021261U KR890021261U KR2019880005676U KR880005676U KR890021261U KR 890021261 U KR890021261 U KR 890021261U KR 2019880005676 U KR2019880005676 U KR 2019880005676U KR 880005676 U KR880005676 U KR 880005676U KR 890021261 U KR890021261 U KR 890021261U
- Authority
- KR
- South Korea
- Prior art keywords
- aviation obstacle
- obstacle indicator
- indicator
- aviation
- obstacle
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V31/00—Gas-tight or water-tight arrangements
- F21V31/03—Gas-tight or water-tight arrangements with provision for venting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019880005676U KR910001189Y1 (ko) | 1988-04-20 | 1988-04-20 | 항공장애물 표시등 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019880005676U KR910001189Y1 (ko) | 1988-04-20 | 1988-04-20 | 항공장애물 표시등 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR890021261U true KR890021261U (ko) | 1989-11-02 |
KR910001189Y1 KR910001189Y1 (ko) | 1991-02-25 |
Family
ID=19274388
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019880005676U KR910001189Y1 (ko) | 1988-04-20 | 1988-04-20 | 항공장애물 표시등 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR910001189Y1 (ko) |
-
1988
- 1988-04-20 KR KR2019880005676U patent/KR910001189Y1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR910001189Y1 (ko) | 1991-02-25 |
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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: 20020226 Year of fee payment: 12 |
|
EXPY | Expiration of term |