Fingerprint image input apparatus and method of producing the same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 13, 1998
Grant Date -
N/A
app pub date -
Aug 5, 1996
filing date -
Aug 15, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The fingerprint image input apparatus includes two-dimensional image sensor 14 formed on transparent substrate 21 and including diffraction grating 41, photo-sensitive elements 24, switch elements 22, switching lines 25, signal reading lines 26, bias applying lines 27, and light interception plates 23 disposed below photo-sensitive elements 24, planar light source 11 and transparent protective film 42. Diffraction grating 41 is formed on two-dimensional image sensor 14 together with photo-sensitive elements 24 commonly using one or more opaque materials of photo-sensitive elements 24.
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