发明授权
US4338644A Magnetic tape cassettes provided with memory circuits for storing information 失效
带有用于存储信息的存储电路的磁带盒

Magnetic tape cassettes provided with memory circuits for storing
information
摘要:
Cassettes of recording tape are provided with an electronic memory including semi-conductor circuits mounted in the cassette housing for storing data relating to the cassette or tape therein. A memory error signal device is also provided in the cassette housing having states representing that data stored on the cassette memory has an error or no error. Devices for a tape deck apparatus for cooperation with the cassette memory circuits and error signal device are also disclosed.
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