发明名称 |
METHOD FOR THE PHASE MODULATION OF A CARRIER SIGNAL TRANSMITTED FROM A TRANSMITTER TO A CONTACTLESS TRANSPONDER, AND DEVICE FOR IMPLEMENTING SAME |
摘要 |
A method for phase modulation of a carrier signal from a transmitter to a contactless transponder in which data is coded as consecutive symbols, each corresponding to a predefined number of carrier cycles, and in which a symbol time is at least two cycles of the carrier signal includes, at the transmitter, spreading a phase jump of a symbol in relation to a preceding symbol over a first part of the symbol time. The establishment of the phase jump is completed in the first part of the symbol time. The periods of the cycles are constant during a second part of the symbol time.
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申请公布号 |
US2013154756(A1) |
申请公布日期 |
2013.06.20 |
申请号 |
US201113806912 |
申请日期 |
2011.06.24 |
申请人 |
REVERDY JACQUES;CROCHON ELISABETH;DEHMAS FRANCOIS;PEBAY-PEYROULA FLORIAN;COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES |
发明人 |
REVERDY JACQUES;CROCHON ELISABETH;DEHMAS FRANCOIS;PEBAY-PEYROULA FLORIAN |
分类号 |
H03C3/02 |
主分类号 |
H03C3/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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