Method and device for determining the quantity of product present in a reservoir, notably that of ink present in an image forming device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 3, 2001
Grant Date -
N/A
app pub date -
Jul 2, 1997
filing date -
Jan 22, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device determines a quantity of product present in a reservoir, particularly a quantity of ink in the reservoir (112) of an image forming device, such as a printer (10). The device includes an electrode (120) disposed in contact with the product in the reservoir, a circuit (117) for supplying the electrode with an excitation signal (SE) causing an electromagnetic signal radiated by the product, a receiving antenna (116) for sensing the electromagnetic signal, and a circuit (115) for processing the electromagnetic signal sensed into a signal representing the quantity of product present in the reservoir.
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