Data communication apparatus connectable with a plurality of telephone sets and a telephone line
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 31, 1994
Grant Date -
N/A
app pub date -
May 20, 1991
filing date -
May 21, 1990
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A communication apparatus selectively uses plural telephone sets and a line. The communication apparatus includes a circuit for detecting a calling signal from a line, and a control circuit for allowing a specific telephone set to receive an incoming call and ring among plural telephone sets on receipt of an incoming call.
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