Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Reexamination Certificate
2004-06-25
2008-12-09
Le, Que T. (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
C250S239000
Reexamination Certificate
active
07462807
ABSTRACT:
The invention relates to small dimension image recorders, such as an image recorder, comprising a matrix of rows and columns of photosensitive points, arranged on a chip of a generally square or rectangular form with believed corners, characterised in comprising a reading register arranged at the base of the matrix. The register is bent to follow the bevelled corners of the chip and thus comprises a horizontal piece and two oblique pieces. The sensor further comprises means (ZIn) to direct the photosensitive charges form the columns terminating opposite the beveled corners towards the stage of the reister situated in the oblique part along the beveled corners. The above is of application to intraoral dental radiological sensors.
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patent: 5291010 (1994-03-01), Tsuji
patent: 5510623 (1996-04-01), Sayag et al.
patent: 6153874 (2000-11-01), Monoi
patent: 6527442 (2003-03-01), Carroll
patent: 6794654 (2004-09-01), Hansen et al.
patent: 2002/0100922 (2002-08-01), Hiroo et al.
patent: 0 729 269 (1996-03-01), None
patent: 1255401 (2001-05-01), None
patent: 00 79598 (2000-12-01), None
Abstract of EP 0729 269 Mar. 1, 1996.
Abstract of WIPO 00 79598 A Dec. 28, 2000.
Beal Gerard
Caupain Jean-Marie
Ligozat Thierry
Atmel Grenoble
Bui-Pho Pascal M
Le Que T.
Lowe Hauptman & Ham & Berner, LLP
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