Title:
NON-CONTACT TYPE IC CARD SYSTEM WITH BUILT-IN ELECTRIC DOUBLE LAYER CAPACITOR
Document Type and Number:
Japanese Patent JP2003076967
Kind Code:
A
Abstract:
To provide a non-contact IC card operable even when power supply is interrupted.
A power source circuit of the non-contact IC card is provided with an electric double layer capacitor as an auxiliary power source and an IC starts an operation after charging is completed. Thus, the non-contact IC card operable even when the power supply from the outside is interrupted is realized.
Inventors:
ANDO YOSHIFUMI
Application Number:
JP2001313259A
Publication Date:
March 14, 2003
Filing Date:
September 05, 2001
Export Citation:
Assignee:
ANDO YOSHIFUMI
International Classes:
G06K19/07; H04B5/02; B42D15/10; (IPC1-7): G06K19/07; B42D15/10; H04B5/02
Previous Patent: FASTENER WITH BUILT-IN RFID TAG
Next Patent: PORTABLE ELECTRONIC DEVICE AND METHOD FOR INHIBITING THE USE
Next Patent: PORTABLE ELECTRONIC DEVICE AND METHOD FOR INHIBITING THE USE