KR200325935Y1 - 이엘램프 구동회로 일체형 키패드 - Google Patents
이엘램프 구동회로 일체형 키패드 Download PDFInfo
- Publication number
- KR200325935Y1 KR200325935Y1 KR20-2003-0018275U KR20030018275U KR200325935Y1 KR 200325935 Y1 KR200325935 Y1 KR 200325935Y1 KR 20030018275 U KR20030018275 U KR 20030018275U KR 200325935 Y1 KR200325935 Y1 KR 200325935Y1
- Authority
- KR
- South Korea
- Prior art keywords
- lamp
- driving circuit
- keypad
- key
- integrated
- Prior art date
Links
- 238000005401 electroluminescence Methods 0.000 title 1
- 238000000034 method Methods 0.000 claims description 3
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 229920002379 silicone rubber Polymers 0.000 description 3
- 239000004945 silicone rubber Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- -1 transistors Chemical class 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 150000003071 polychlorinated biphenyls Chemical class 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Electroluminescent Light Sources (AREA)
- Push-Button Switches (AREA)
Abstract
Description
Claims (3)
- 접점을 갖는 인쇄회로기판 위에 위치한 상태로 전화기의 프론트 하우징에 설치되어 신호 발생을 위한 키로 사용되며, 상기 키에 백라이팅을 제공하는 EL램프가 설치된 휴대폰용 키패드에 있어서, 상기 키패드는 EL램프와 이 EL램프를 작동시키는 EL램프 구동회로가 패키지 형태로 연결되어 제공되는 것을 특징으로 하는 EL램프 구동회로 일체형 키패드.
- 청구항 1에 있어서, 상기 구동회로는 EL램프의 설치된 위치와 상관없이 EL램프와 연결된 상태로 키패드의 일정공간에 독립적으로 설치된 것을 특징으로 하는 이엘램프 구동회로 일체형 키패드.
- 청구항 1에 있어서, 상기 구동회로 외측에는 EMI(전자파장애)처리가 형성된 것을 특징으로 하는 이엘램프 구동회로 일체형 키패드.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20-2003-0018275U KR200325935Y1 (ko) | 2003-06-11 | 2003-06-11 | 이엘램프 구동회로 일체형 키패드 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20-2003-0018275U KR200325935Y1 (ko) | 2003-06-11 | 2003-06-11 | 이엘램프 구동회로 일체형 키패드 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR200325935Y1 true KR200325935Y1 (ko) | 2003-09-06 |
Family
ID=49337984
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR20-2003-0018275U KR200325935Y1 (ko) | 2003-06-11 | 2003-06-11 | 이엘램프 구동회로 일체형 키패드 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR200325935Y1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100768367B1 (ko) | 2003-09-08 | 2007-10-17 | 폴리마테크 컴퍼니 리미티드 | 발광 전자 부품 |
-
2003
- 2003-06-11 KR KR20-2003-0018275U patent/KR200325935Y1/ko not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100768367B1 (ko) | 2003-09-08 | 2007-10-17 | 폴리마테크 컴퍼니 리미티드 | 발광 전자 부품 |
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