|
|
Display keyboard
In view of the foregoing disadvantages inherent in the known types of keyboard templates now present in the prior art, the present invention provides an improved display ...
|
|
|
Semiconductor integrated circuit device and data transmission system
OF THE INVENTION To begin with, the present invention will be outlined. A data transmission system according to the present invention and a LSI suitable therefor are ...
|
|
|
Method and system for improving memory interface data integrity in PLDs
An invention for optimized data presentation to an external memory interface bus is provided. The embodiments of the present invention monitor the bits in the data, and ...
|
|
|
Keyboard switch
It is therefore an object of the present invention to provide a small-sized keyboard switch which employs membrane switches and transmits to the operator's finger a ...
|
|
|
Selective call receiver with an intelligent memory system
The invention thus has as its objective a pager intended to receive radio-broadcast message signals comprising call signal information and message information, said ...
|
|
|
Pushbutton keyboard assembly having pole and inner contacts simultaneously engaged by a bridging contact
Among the many objects of this invention may be noted the provision of a keyboard system which requires a minimal number of parts; the provision of such a keyboard ...
|
|
|
Tactile membrane keyboard with elliptical tactile key elements
The tactile keyboard of this invention has keys formed in a membrane sheet which are elliptical in shape and have a plurality of inclined ramps around the key. More ...
|
|
|
Sequentially operated snap action membrane switches
In accordance with one embodiment of the present invention, a switching apparatus is provided that efficiently transmits tactile feedback from a snap dome to a person's ...
|
|
|
Dual tact switch assembly
What is claimed as new and desired to be secured by Letters Patent of the United States is: 1. An improved electrical switch assembly of the type wherein an operator ...
|
|
|
Electrostatic particle separation system, apparatus, and related method
Accordingly, it is a primary object of the present invention to provide an improved apparatus for electrostatically separating two species of particles from a particle ...
|