11. Original mobile phones had
• Carrying handles - Weighed x kgs
• Patchy reception at best
• 2 metre aerials
• Talk time of minutes
• Battery life of hours
• Crazy expensive
What made it possible?
12. Enabling technology
• Massive increase in battery technology
– Increased life
– Smaller
– Quicker charging
– Reliability
• Low energy microchips
– ARM Holdings
– Minaturised electronics
13. Activity
• Take you mobile phone
• Weigh the battery and the phone separate
• Calculate
– the total weight
– % of total weight which is battery
Weight of battery * 100÷total weight
15. Summary
Mobile phone technology is
• Changing rapidly
• Getting cheaper
• Influencing the way we run our lives
• Becoming more a digital interface
16. Homework - Essay
The mobile phone is influencing the way we run our
lives.
In what way are mobile phones reaching new and
wider audiences?
What changes are we likely to see in the next 20 years?
450 words Word processed
Deadline