Collimating lens, collimating system, and image displaying...

Optical: systems and elements – Collimating of light beam

Reexamination Certificate

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C359S640000, C359S649000

Reexamination Certificate

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06927919

ABSTRACT:
A collimating lens and a collimating system which condense light emitted from a light source with directivity at a high efficiency and a projection type image displaying apparatus using the same. The collimating system includes a light source having at least one dominant emitting angle at which light having a relatively great intensity distribution is emitted and a collimating lens including at least one prism portion having an exit surface sloping at a prism angle corresponding to the dominant emitting angle.

REFERENCES:
patent: 4583151 (1986-04-01), Nagel
patent: 4815807 (1989-03-01), Kaneko et al.
patent: 4904068 (1990-02-01), Tatsuno et al.
patent: 5058981 (1991-10-01), Umegaki et al.
patent: 5537171 (1996-07-01), Ogino et al.
patent: 6094286 (2000-07-01), Kato
patent: 6377376 (2002-04-01), Gfeller et al.
patent: 6583934 (2003-06-01), Kramer
patent: 2002/0003670 (2002-01-01), Oliva
patent: 100 08 337 (2000-09-01), None
patent: 509 679 (1992-10-01), None
patent: 9-61610 (1997-03-01), None
TFDT4000 Integrated Transceiver, Jan. 7, 1996, pp. 1-9.

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