Major Developments in Technology Flashcards
Technological Evolution- Radio
- Valve Radio
- Transistors, Bakelite
- Improved quality, Wood
- Miniturised electronics, IC, ABS and PMMA
- Walkman- late 1970’s
iPod- 2000’s
MP3-1990’s
Disposable Battery- Name 3
Zinc-Carbon: Cheap AAs
Alkaline: More expensive AAs
Lithium photo: Camera, copes well with power surges
Zinc- Mercury oxide: Small sized, Hearing Aids
Silver-Zinc: Planes, Good power to weight rtio
Metal Chloride: Elerctric Vehicle
Rechargeable Battery- Name 3
Lead-Acid: Cars
Nickel-Cadmium: AA Rechargeable
Nickel-Metal-Hydride: Replaced Nickel-Cadmium
Lithium Ion: Phones, Good power to weight ratio
Zinc-Air: Lightweight
Technological Evolution- TV
- Analogue
- Digital
- HDTV- Thin-film Transistor (TFT), LCD and Plasma
- Projection- TV’s bigger than 40’
The impact of ICT
- Changes from mechanical to electronical increased reliability of the product as friction and wear and tear were reduced
- Miniturisation meant that more could be fitted into a smaller area and so devices shrunk
- Digitalisation Increased efficency
- Software allows tasks to be done automatically and with ease.
RFID
Radio Frequency Identifcation Tags
FSA
Fluid Self Assembly
Nanotechnology
Miniturisation of devices to nanometres in length.
Products that use Nanotechnology
Vehicles- Make things lighter
Clothing- Clothes stain less easily and so need less washing
Electronic goods- Bendy OLED screens
Technology Push
“Over the wall” model
Product developed in isolation in R&D Departments and then manufactured and sold to the consumer
Sony Walkman- 1979
No market need
Market Pull
When the market wants a product so a company makes it
Market need
Technology Push failure
Sinclair C5- 1985 No market need Impractical Cost lots to develop Even with ad campaign only 17,000 were sold
