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Penzu is a free online diary and personal journal focused on privacy. Easily keep a secret diary or a private journal of notes and ideas securely on the web.

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CIJ

The continuous inkjet (CIJ) method is used commercially for marking and coding of products and packages. In 1867, Lord Kelvin patented the syphon recorder, which recorded telegraph signals as a continuous trace on paper using an ink jet nozzle deflected by a magnetic coil. The first commercial devices (medical strip chart recorders) were introduced in 1951 by Siemens