Switchable line powered modem
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 25, 1986
Issued Date -
N/A
app pub date -
Feb 17, 1984
filing date -
Nov 3, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A modem for coupling a data terminal or other apparatus to a telephone line and deriving its operating power for both transmitting and receiving operation from the telephone line, and providing electrical isolation between the telephone line and the data terminal. The modem is switchable to provide orginate or answer operation in either of two operating frequency bands.
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