Uploaded July 2018 | Updated September 2026, 3 weeks ago
In the mid 1980's a company called Dallas Semiconductor was producing a wide range of small RAMs with integrated battery backup. One of the more unusual item was an early attempt at an electronic key: a user would be issued a key which could then be typically used to allow access to equipment and to keep track of usage. Not very secure by today's standards.... but an interesting data point.
More details on my blog: electronupdate.blogspot.com
In the mid 1980's a company called Dallas Semiconductor was producing a wide range of small RAMs with integrated battery backup. One of the more unusual item was an early attempt at an electronic key: a user would be issued a key which could then be typically used to allow access to equipment and to keep track of usage. Not very secure by today's standards.... but an interesting data point.
More details on my blog: electronupdate.blogspot.com
