Cognitive Issues in Head-Up Displays

This article is presented by:

Edith Fischer
San Jose State University Foundation
San Jose, California
Richard F. Haines
Ames Research Center
Moffett Field, California
Toni A. Price
San Jose State University Foundation
San Jose, California

To execute a successful CAT II approach and landing, the pilot uses both instrument information and visual cues from the outside scene. In the conventional cockpit these two sets of information a ....etc

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Touch Screen Computer Displays



Introduction

When most people think about a computer display, many may develop a mental
picture of an output device. However a computer display can function as both an input
device and an output device. A touch sensitive screen provides a computer user with an
input interface that doesn t require extensive computer skills or literacy. This interface,
operates as a pointing device, much like a mouse or an input device much like a
keyboard. Tou ....etc

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Interfacing of 8051 with displays



Interfacing of 8051 with LED

forward voltage drop of LED is from 1.7 to 2.5
forward current of LED is 20mA

89C51(8051) comes under TTL logic families
TTL can sink up to 16mA and source 250uA
The 8051 port pin can sink 1.6mA (3.2mA for port 0) and source 60uA.
To drive significant current, we should arrange our circuits to use current sinking.

Design calculation

The resistor limits the current.
Assume voltage is about ....etc

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Abstract:
reflective cholesteric liquid crystal displays (Ch-LCDs) because they are lightweight, low power flat-panel displays. Furthermore, Ch-LCDs can be made bistable which allows for the manufacture of large area, high- resolution displays without the need for expensive, difficult to manufacture active matrix addressing schemes. Also, the bistability enables flicker-free operation. Currently, these displays are made using glass substrates. However, some applications require rugged (i.e., nonbreakable), flexible displays. The use of a plas ....etc

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INTRODUCTION

As thin display technology improves, TV sets will be available in wider shapes and sizes. Fold-up TVs and wearable TVs, similar to wearable PCs will be launched soon.

A plethora of display technologies catering to different requirements of different applications are available. Electroluminescent(EL) displays, vacuum fluorescent displays (VFDs), and light emitting diodes (LEDs) have a wide operating temperature range and luminescent characteristics

OLEDs are lightweight, durable, power efficient and ideal for portab ....etc

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