As a radio proximity fuze, the basic concept is obvious ... work under battlefield conditions were immense. So what kind of circuits were used to make all this work? And how did circa-1940 ...

[mircemk] shows how to create a simple non-contact proximity sensor using little more than an Arduino Nano board, and a convenient software library intended to measure the value of capacitors.

The ISO 14443 Type B Digital Controller is a fully integrated protocol manager intended for Proximity Integrated Circuit Card (PICC).

MALVERN, PA — Vishay Intertechnology, Inc. (NYSE: VSH) announced that its VCNL36828P proximity sensor has ... an ...

The ISO 14443 Type A Digital Controller is a fully integrated protocol manager intended for Proximity Integrated Circuit Card (PICC).