UEET 101 Reverse UEET 101 Reverse Engineering Group Engineering Group

ProjectProject

Television Remote Television Remote ControlControl

Nickolas PuthumanaNickolas PuthumanaJon QuinnJon Quinn

Kevin ReichesKevin ReichesShaina ScottShaina Scott

HistoryHistory

The first remote came from Zenith in 1952 The first remote came from Zenith in 1952 and was connected to the TV with a cordand was connected to the TV with a cord

The second popular remote design was a The second popular remote design was a flashlight.flashlight.

The third generation of remotes used The third generation of remotes used ultrasonic waves that could be heard by ultrasonic waves that could be heard by dogs.dogs.

How it WorksHow it Works

Modern day infrared TV remotes have Modern day infrared TV remotes have manual inputs (buttons) that have manual inputs (buttons) that have matching binary codes for each matching binary codes for each function.function.

This code is transmitted to the TV by This code is transmitted to the TV by a non-visible infrared light source and a non-visible infrared light source and translated by the TV.translated by the TV.

Mechanical Engineering Mechanical Engineering ConsiderationsConsiderations

Fitment of the componentsFitment of the components

i.e. Batteries and ease of i.e. Batteries and ease of changing batteries.changing batteries.

Safety considerationsSafety considerationsi.e. Small parts, choking hazard.i.e. Small parts, choking hazard.

Electrical Engineering Electrical Engineering ConsiderationsConsiderations

The majority of the TV remote is electrical.The majority of the TV remote is electrical.

Battery power is used to create a signal to Battery power is used to create a signal to perform the desired function.perform the desired function.

Printed circuit board links buttons to the Printed circuit board links buttons to the chip. The chip is linked to the infrared chip. The chip is linked to the infrared bulb.bulb.

Industrial Engineering Industrial Engineering ConsiderationsConsiderations

Low cost materials such as plastic lower Low cost materials such as plastic lower production costs.production costs.

Outer casing snaps together for easier Outer casing snaps together for easier assembly.assembly.

Many aspects of production can be Many aspects of production can be automatedautomated

Many units can be produced in a short time.Many units can be produced in a short time.

ConclusionConclusion

The modern TV remote is a prime The modern TV remote is a prime example of how all of the example of how all of the engineering disciplines play into engineering disciplines play into how a product is made and how it how a product is made and how it functions.functions.

Improvements could be made to size Improvements could be made to size (larger or smaller)(larger or smaller)

Improvements could be made to Improvements could be made to battery size or lifespan.battery size or lifespan.