Two-directional drive gear for cassette tape recorder - has electronic data store with recall start and stop and rechargeable battery

摘要

A two directional drive gear, which is used on a magnetic tape cassette recording and playback instrument. It is used in data processing systems. It is particularly suitable for minicassettes of portable data processing instruments. The weights and dimensions are such that it can be inserted in a small computer. It consists of an electronic data store, a recall system for the data with start and stop opertions. There is also an opto-electronic scanner, a read and write head and a rechargeable battery. The cassettes are in a compartment and there is also a data output plug.