发明名称 |
Pushbutton keyboard switch assembly having individual concave-convex contacts integrally attached to conductor strips |
摘要 |
A pushbutton keyboard system comprising an electrically insulative substrate, a plurality of actuating elements or disks arranged in an array of columns and rows on one face of the substrate, and a plurality of conductors on this one face of the substrate with the conductors being parallel to one another and extending in the direction of the columns.
|
申请公布号 |
US4005293(A) |
申请公布日期 |
1977.01.25 |
申请号 |
US19740528180 |
申请日期 |
1974.11.29 |
申请人 |
TEXAS INSTRUMENTS INCORPORATED |
发明人 |
BOULANGER, HENRY J. |
分类号 |
H01H13/48;G06F3/02;G06F15/02;H01H13/70;H01H13/76;(IPC1-7):H01H13/70;H01H1/06 |
主分类号 |
H01H13/48 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|