73158161
Feb 9, 1978
Mar 24, 1981
Personal Computer System for Domestic Use-Namely, Color Cathode Ray Tubes, Keyboard Modules Comprising Alphabetical and Arbitrary Symbol Inputs and Numerical Inputs, Random Access Memory Circuits, Tape Drives and Readers, Tapes, Input and Output Circuit Connections and Computer Circuits for Use with Color Vector Graphics
Electrical and Scientific Apparatus