The Preceding Inventions

The Preceding Invention would be the VCR. With the VCR you use a cassette tape to record. The magnetic tape in the cassette is used to record. Also there is a timer to record.

Competitive Analysis
Criteria
Importance Multiplayer
Personal Video Recorder
VCR
Quality of video
9x
10
x9
=90
8
x9
=72
Price
x8
7
x8
=56
9
x8
=72
Easy to use
x5
9
x5
=45
8
x5
=40
Sound Quality
x8
9
x8
=72
7
x8
=56
Appearance
x3
10
x3
=30
6
x3
=18
Time Recording
x10
10
x10
=100
5
x10
=50
Skip Commericials
x6
10
x6
=60
2
x6
=12
Total
 
453
320