FINGERPRINT SENSOR WITH SYNC SIGNAL INPUT
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Mar 17, 2016
app pub date -
May 12, 2015
filing date -
Sep 15, 2014
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
The present invention relates to a fingerprint sensor comprising a voltage supply interface for receiving a supply voltage; a sensor communication interface for providing the fingerprint pattern signal to external circuitry; a synchronization input for receiving a sync signal interpreted to correspond to a first logical state when the sensor ground potential is at the first potential and to a second logical state, different from the first logical state, when the sensor ground potential is at the second potential, and a plurality of sensing elements, each comprising a sensing structure. The sensing elements are configured such that the potential of the sensing structures follows the potential of the modulated fingerprint sensor ground potential, and the timing of the sampling of sensing signals from the sensing elements is based on perceived state transitions of the sync signal.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully