KR100639324B1 - 다단 조작이 가능한 이동통신단말기용 키 스위치 패드 - Google Patents
다단 조작이 가능한 이동통신단말기용 키 스위치 패드 Download PDFInfo
- Publication number
- KR100639324B1 KR100639324B1 KR1020040045107A KR20040045107A KR100639324B1 KR 100639324 B1 KR100639324 B1 KR 100639324B1 KR 1020040045107 A KR1020040045107 A KR 1020040045107A KR 20040045107 A KR20040045107 A KR 20040045107A KR 100639324 B1 KR100639324 B1 KR 100639324B1
- Authority
- KR
- South Korea
- Prior art keywords
- contact
- keypad
- mobile communication
- communication terminal
- key switch
- Prior art date
Links
- 238000010295 mobile communication Methods 0.000 title claims abstract description 10
- 239000002184 metal Substances 0.000 claims abstract description 14
- 239000004020 conductor Substances 0.000 claims description 4
- 238000003825 pressing Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 2
- 238000007654 immersion Methods 0.000 abstract description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/26—Snap-action arrangements depending upon deformation of elastic members
- H01H13/48—Snap-action arrangements depending upon deformation of elastic members using buckling of disc springs
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
- H01H13/705—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
-
- 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
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0277—Details of the structure or mounting of specific components for a printed circuit board assembly
-
- 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)
- Push-Button Switches (AREA)
- Input From Keyboards Or The Like (AREA)
Abstract
Description
Claims (3)
- 버튼기능을 담당하는 키패드와;상기 키패트의 하단 양측에 첨침형태로 뾰족하게 하향돌설되고 그 중앙부는 서로 수평하게 연결된 형태의 탄성유지부와;상기 탄성유지부상에 고정되고 하향연장되되 그 하단면이 반원형상으로 형성되고, 전도성 물질이 첨가되거나 혹은 전도성 소재로 신축가능하게 형성된 접촉부와;상기 접촉부와 접촉되게 동일한 중심을 기준으로 그 직경이 커지는 형태인 동심원을 이루면서 형성된 다수의 접점포인트를 갖고 PCB 상면에 배치된 금속패드를 포함하여 구성되는 것을 특징으로 하는 다단 조작이 가능한 이동통신단말기용 키 스위치 패드.
- 삭제
- 삭제
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040045107A KR100639324B1 (ko) | 2004-06-17 | 2004-06-17 | 다단 조작이 가능한 이동통신단말기용 키 스위치 패드 |
CNB200510008929XA CN100446144C (zh) | 2004-06-17 | 2005-02-25 | 可多端操作的移动通讯终端专用功能转换键区 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040045107A KR100639324B1 (ko) | 2004-06-17 | 2004-06-17 | 다단 조작이 가능한 이동통신단말기용 키 스위치 패드 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050119947A KR20050119947A (ko) | 2005-12-22 |
KR100639324B1 true KR100639324B1 (ko) | 2006-10-30 |
Family
ID=35706900
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040045107A KR100639324B1 (ko) | 2004-06-17 | 2004-06-17 | 다단 조작이 가능한 이동통신단말기용 키 스위치 패드 |
Country Status (2)
Country | Link |
---|---|
KR (1) | KR100639324B1 (ko) |
CN (1) | CN100446144C (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100821250B1 (ko) * | 2006-10-10 | 2008-04-11 | 주식회사 레인콤 | 고유작동신호를 발생시키는 버튼구조체 및 이를 이용한휴대용 음향기기 |
WO2009025529A2 (en) * | 2007-08-22 | 2009-02-26 | Eui Jin Oh | Piezo-electric sensing unit and data input device using piezo-electric sensing |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09120747A (ja) * | 1995-10-26 | 1997-05-06 | Alps Electric Co Ltd | スイッチ装置 |
-
2004
- 2004-06-17 KR KR1020040045107A patent/KR100639324B1/ko not_active IP Right Cessation
-
2005
- 2005-02-25 CN CNB200510008929XA patent/CN100446144C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR20050119947A (ko) | 2005-12-22 |
CN1710682A (zh) | 2005-12-21 |
CN100446144C (zh) | 2008-12-24 |
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