DOWNLINK TRANSMISSION DEVICE FOR AUDIO SIGNALS AND ELECTRONIC SIGNATURE TOKEN
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Jul 23, 2015
app pub date -
Jun 13, 2013
filing date -
Jul 26, 2012
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A downlink transmission device for audio signals and an electronic signature token are provided. The downlink transmission device for audio signals includes an audio interface and an impedance circuit. The audio interface includes a first pin, a second pin and a third pin. The first pin is one of a microphone pin and a ground pin, the second pin is the other one of the microphone pin and the ground pin. The third pin is a single-channel audio output pin or one of multichannel audio output pins and adapted to send the audio signal. The impedance circuit defines a first terminal coupled with the third pin, and a second terminal coupled with the first pin and the second pin respectively.
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