Recording telephone system equipped with a remote control change-over switch
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 2, 1990
Grant Date -
N/A
app pub date -
Oct 18, 1988
filing date -
Oct 28, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A message telephone with message recording and reproducing function equipped with remote control switch is disclosed. The message telephone has a calling signal identification circuit and after counting a predetermined number of calling signals, if the calling party once disconnects the call and orginates a second call within a predetermined time interval the device works as a message telephone after providing an identifying MF signal pass-word to work various message functions under control of the remote calling party.
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