Title:
NON-CONTACT COMMUNICATION MEDIUM, RECORDING MEDIUM CARTRIDGE, DRIVING METHOD FOR NON-CONTACT COMMUNICATION MEDIUM AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2019/176325
Kind Code:
A1
Abstract:
Anon-contact communication medium according to one form of the present technology is provided with a voltage generation unit, a memory unit, a clock signal generation unit, and a control unit. The voltage generation unit has an antenna coil for transmission/reception, receives a signal magnetic field from an external apparatus, and generates a voltage. The memory unit stores one or more circuit parameters set in the voltage generation unit, and prescribed management information. The clock signal generation unit is configured to be able to selectively generate clock signals having two or more different frequencies. The control unit is configured to select the frequency of the clock signal to be supplied to the memory unit from the clock signal generation unit.
Inventors:
NAKANO HIROAKI (JP)
FUJITA HIROAKI (JP)
NAKASHIO EIJI (JP)
FUJITA HIROAKI (JP)
NAKASHIO EIJI (JP)
Application Number:
PCT/JP2019/002525
Publication Date:
September 19, 2019
Filing Date:
January 25, 2019
Export Citation:
Assignee:
SONY SEMICONDUCTOR SOLUTIONS CORP (JP)
SONY CORP (JP)
SONY CORP (JP)
International Classes:
G06K19/07; G06F12/00; G06K19/077; G11B23/087; H04B5/02
Foreign References:
| JP2008225535A | 2008-09-25 | |||
| JP2005078181A | 2005-03-24 | |||
| JP2004206409A | 2004-07-22 | |||
| JP2005191961A | 2005-07-14 | |||
| JP2010087846A | 2010-04-15 | |||
| JPS58154080A | 1983-09-13 | |||
| JP2009211743A | 2009-09-17 |
Other References:
See also references of EP 3767540A4
Attorney, Agent or Firm:
OMORI, Junichi (JP)
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