Smart card capable of adjusting voltages supplied from external device

作者: Kwan-Sung Kim

DOI:

关键词:

摘要: A smart card capable of adjusting voltages supplied from an external device. In the card, a voltage detector detects levels device and generates enable signals, if detected are lower than predetermined level. controller converts into operating in response to signals. logic level converter signals received based on difference between converted voltages.

参考文章(8)
Kunihiko Takeuchi, Shinichi Horinouchi, Fujio Baba, System for supplying power source by electromagnetic induction coupling ,(1988)
Russell D. Eslick, David M. Brown, David S. Brannam, Nonvolatile memory card with automatic power supply configuration ,(1993)
Katsuhisa Orihara, Susumu Yanagibori, Masahiro Fujimoto, Shoshichi Saitoh, Non-contacting RF-ID card for wide voltage range input ,(1995)
Eric Diehl, Joel Hamon, Microcontrolled reader for smart cards ,(1990)