NFC TRANSCEIVER UTILIZING COMMON CIRCUITRY FOR ACTIVE AND PASSIVE MODES
First Claim
Patent Images
1. A transceiver, comprising:
- a rectifier coupled to a capacitor;
a power management module coupled to the capacitor;
wherein the capacitor is configured as a power supply capacitor in a first mode and a rectifier capacitor in a second, different mode.
1 Assignment
0 Petitions
Accused Products
Abstract
Exemplary embodiments are directed to a transceiver. A transceiver may include a rectifier coupled to a capacitor. The transceiver may further include a power management module coupled to the capacitor, wherein the capacitor is configured as a power supply capacitor in a first mode and a rectifier capacitor in a second, different mode.
-
Citations
25 Claims
-
1. A transceiver, comprising:
-
a rectifier coupled to a capacitor; a power management module coupled to the capacitor; wherein the capacitor is configured as a power supply capacitor in a first mode and a rectifier capacitor in a second, different mode. - View Dependent Claims (2, 3, 4, 5, 6, 7)
-
-
8. A Near Field Communication (NFC) transceiver, comprising:
-
a capacitor; a rectifier coupled to the capacitor; and a power management module coupled to the capacitor, each of the capacitor, the rectifier and the power management module coupled to a switching element for selectively configuring the NFC transceiver for operation in either an active mode or a passive mode. - View Dependent Claims (9, 10, 11, 12, 13)
-
-
14. A method, comprising:
-
storing a charge with a capacitor while in a passive NFC mode; and filtering with the capacitor while in an active NFC mode. - View Dependent Claims (15, 16, 17, 18)
-
-
19. A method, comprising:
-
conveying energy from an antenna to a capacitor via a contact pad in a first NFC mode; and conveying energy from a power management module to NFC circuitry via the contact pad in a second NFC mode. - View Dependent Claims (20, 21)
-
-
22. A device, comprising:
-
means for storing a charge with a capacitor while in a passive NFC mode; and means for filtering with the capacitor while in an active NFC mode. - View Dependent Claims (23)
-
-
24. A device, comprising:
-
means for conveying energy from an antenna to a capacitor via a pad in a first NFC mode; and means for conveying energy from a power management module to NFC circuitry via the pad in a second NFC mode. - View Dependent Claims (25)
-
Specification