Near field communications (NFC) and proximity sensor for portable devices
First Claim
Patent Images
1. A method for proximity sensing comprising:
- carrying, transmitting or receiving an electrical signal by an antenna, the electrical signal including a proximity sensing electrical signal and a near field communications (NFC) electrical signal;
isolating the proximity sensing electrical signal from the NFC electrical signal, the antenna is configured to include an open ended shape during proximity sensing operation, the antenna is configured to include a close ended shape during NFC operation;
performing an NFC operation utilizing the close ended shape antenna; and
performing a proximity sensing operation utilizing the open ended shape antenna.
2 Assignments
0 Petitions
Accused Products
Abstract
Described herein are techniques related to near field coupling and proximity sensing operations. For example, a proximity sensor uses a coil antenna that is utilized for near field communications (NFC) functions. The proximity sensor may be integrated into an NFC module to form a single module.
-
Citations
40 Claims
-
1. A method for proximity sensing comprising:
-
carrying, transmitting or receiving an electrical signal by an antenna, the electrical signal including a proximity sensing electrical signal and a near field communications (NFC) electrical signal; isolating the proximity sensing electrical signal from the NFC electrical signal, the antenna is configured to include an open ended shape during proximity sensing operation, the antenna is configured to include a close ended shape during NFC operation; performing an NFC operation utilizing the close ended shape antenna; and performing a proximity sensing operation utilizing the open ended shape antenna. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
-
-
12. A portable device comprising:
-
an antenna adapted to carry, transmit or receive an electrical signal, which includes a proximity sensing electrical signal and a near field communications (NFC) electrical signal; one or more components adapted to isolate the proximity sensing electrical signal from the NFC electrical signal; a NFC module adapted to process the NFC electrical signal, the NFC module utilizes the antenna to include a close ended antenna during NFC operation; and a proximity sensor adapted to process the proximity sensing electrical signal, the proximity sensor uses the antenna to include an open ended antenna during proximity sensing operation. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
-
-
23. At least one computer accessible medium that performs a method for proximity sensing comprising:
-
carrying, transmitting, or receiving an electrical signal by an antenna, the electrical signal includes a proximity sensing electrical signal and a near field communications (NFC) electrical signal; isolating the proximity sensing electrical signal from the NFC electrical signal, the antenna includes an open ended shape during proximity sensing operation, the antenna includes a close ended shape during NFC operation; performing the NFC operation utilizing the close ended shape antenna; and performing the proximity sensing operation utilizing the open ended shape antenna. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 33)
-
-
32. A computer accessible medium as recited in 23, further comprising comparing input capacitance of the proximity sensing operation electrical signal with a threshold capacitance value, wherein the threshold capacitance value is used as a basis to adjust transceiver operation during wireless communication operations.
-
34. A system comprising:
-
one or more processors; memory configured to the one or more processors; and a near field communications (NFC) component configured to the one or more processors and memory, adapted to process an NFC electrical signal from an antenna adapted to carry, transmit or receive an electrical signal, which includes a proximity sensing electrical signal and the near field communications (NFC) electrical signal, wherein the NFC component uses the antenna to include a close ended antenna during NFC operation; and a proximity sensor component configured to the one or more processors and memory, adapted to process the proximity sensing electrical signal, the proximity sensor uses the antenna to include an open ended antenna during proximity sensing operation. - View Dependent Claims (35, 36, 37, 38, 39, 40)
-
Specification