• on Education & Information
  • Published in issue 9/2012 on page 76
About the article

The ‘Pansanitor’ (1928)

Retronics section

The ‘Pansanitor’ (1928)

Electrical muscle stimulation machines offer relief from aches and pains, muscle tension, neuralgia and lots of other miscellaneous ailments, using either low- or high-frequency alternating currents. Generating these currents is bread-and-butter stuff using modern semiconductor technology, but how was it done eighty years ago, in a time when transistors, let alone integrated circuits and microcontrollers, were not exactly off-the-shelf components?

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