Apparatus for determining the position of a movable object
Number of patents in Portfolio can not be more than 2000
United States of America Design
Stats
-
Jul 19, 1988
Grant Date -
N/A
app pub date -
Jan 23, 1987
filing date -
Jan 23, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The apparatus contains two fixed ultrasound transmitters, an ultrasound receiver forming part of the movable object, and a calculator. A trigger signal from the calculator releases ultrasonic pulses on the ultrasound transmitters and the calculator determines the coordinates of the ultrasound receiver and hence of the movable object from the times required for the ultrasonic pulses to travel from the ultrasound transmitters to the ultrasound receiver and from the distance between the ultrasound transmitter. The apparatus is suitable in particular for controlling the cursor on a screen by means of a so-called 'mouse' and enables precise determination of position and accurate and simple calculation of coordinates and may therefore be used as so-called 'digitizer' for geometric data processing.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
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