Data communication apparatus which can use either an analog or a digital line
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 25, 1992
Issued Date -
N/A
app pub date -
Oct 29, 1990
filing date -
Nov 30, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A data communication apparatus includes an analog communication unit for performing analog communication, an A/D converter for converting the analog signal from the analog communication unit into a digital voice signal, and an ISDN communication control unit for sending the digital voice signal from the A/D converter onto a digital communication line. Data used in an ISDN are voice data, image data, facsimile communication data, etc.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
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