Incremental printing of symbolic information – Light or beam marking apparatus or processes – Scan of light
Reexamination Certificate
2011-03-29
2011-03-29
Pham, Hai C (Department: 2861)
Incremental printing of symbolic information
Light or beam marking apparatus or processes
Scan of light
Reexamination Certificate
active
07916163
ABSTRACT:
An exposure head, includes: an imaging optical system; a first light emitting element that emits a light which is to be focused by the imaging optical system; a second light emitting element that emits a light which is to be focused by the imaging optical system; a first TFT circuit that is connected with the first light emitting element via an interconnection wire; and a second TFT circuit that is connected with the second light emitting element via an interconnection wire, wherein the first light emitting element and the second light emitting element are provided between the first TFT circuit and the second TFT circuit.
REFERENCES:
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patent: 6989849 (2006-01-01), Nomura et al.
patent: 2004/0125196 (2004-07-01), Nomura et al.
patent: 2006/0092519 (2006-05-01), Hasei
patent: 2009/0251675 (2009-10-01), Masumoto et al.
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European search report for corresponding European application 08021619.5-1251 lists the references above.
Inoue Nozomu
Koizumi Ryuta
Nomura Yujiro
DLA Piper (LLP) US
Pham Hai C
Seiko Epson Corporation
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