Variable fresnel screen for use in projection device

Details Variable fresnel screen for use in projection device Variable fresnel screen for use in projection device

2008-03-11

2008-03-11

Koval, Melissa Jan (Department: 2862)

Optics: image projectors

Temperature control

C057S066000, C057S077000, C057S078000, C057S102000, C359S457000, C359S459000, C359S460000

Reexamination Certificate

active

07341353

ABSTRACT:
A thin rear projection television using a wide angle lens system is provided. In an embodiment, a fresnel screen is used in which there are at least two spatial zones in the screen with different properties. The at least two zones may be adapted to compensate for the variation in input angle.

REFERENCES:
patent: 3485165 (1969-12-01), Hughes
patent: 3712707 (1973-01-01), Henkes, Jr.
patent: 4674836 (1987-06-01), Yata et al.
patent: 4729631 (1988-03-01), Takahashi et al.
patent: 4730897 (1988-03-01), McKechnie et al.
patent: 4773731 (1988-09-01), Goldenberg et al.
patent: 4880292 (1989-11-01), Kageyama et al.
patent: 4921330 (1990-05-01), Takahashi et al.
patent: 4927248 (1990-05-01), Sakakibara et al.
patent: 4936657 (1990-06-01), Tejima et al.
patent: 4979801 (1990-12-01), Park
patent: RE33795 (1992-01-01), Ogino
patent: 5100222 (1992-03-01), Minoura et al.
patent: 5302983 (1994-04-01), Sato et al.
patent: 5422691 (1995-06-01), Ninomiya et al.
patent: 5442413 (1995-08-01), Tejima et al.
patent: 5442484 (1995-08-01), Shikawa
patent: 5489940 (1996-02-01), Richardson et al.
patent: 5495306 (1996-02-01), Shibazaki
patent: 5699131 (1997-12-01), Aoki et al.
patent: 5710668 (1998-01-01), Gohman et al.
patent: 5716118 (1998-02-01), Sato et al.
patent: 5724195 (1998-03-01), Enomoto et al.
patent: 5760973 (1998-06-01), Kawamura
patent: 5796528 (1998-08-01), Mihara
patent: 5805359 (1998-09-01), Yamanashi
patent: 5818639 (1998-10-01), Furuya
patent: 5820240 (1998-10-01), Ohzawa
patent: 5833339 (1998-11-01), Sarayeddine
patent: 5870234 (1999-02-01), Ebbesmeier nee Schitthof
patent: 5923479 (1999-07-01), Nagata
patent: 5987051 (1999-11-01), Peters
patent: 5999332 (1999-12-01), Ohno
patent: 6016229 (2000-01-01), Suzuki
patent: 6018425 (2000-01-01), Nakabayashi et al.
patent: 6038085 (2000-03-01), Nakazawa
patent: 6046859 (2000-04-01), Raj
patent: 6052226 (2000-04-01), Takahashi
patent: 6053615 (2000-04-01), Peterson et al.
patent: 6081380 (2000-06-01), Ohshima et al.
patent: 6084707 (2000-07-01), Maruyama et al.
patent: 6088172 (2000-07-01), Sato
patent: 6111701 (2000-08-01), Brown
patent: 6123425 (2000-09-01), Ohzawa
patent: 6129552 (2000-10-01), Deshoux et al.
patent: 6137638 (2000-10-01), Yamagishi et al.
patent: 6144503 (2000-11-01), Sugano
patent: 6147812 (2000-11-01), Narimatsu et al.
patent: 6188523 (2001-02-01), Choi
patent: 6201647 (2001-03-01), Ohzawa
patent: 6236511 (2001-05-01), Brown
patent: 6273338 (2001-08-01), White
patent: 6299313 (2001-10-01), Hirata et al.
patent: 6301058 (2001-10-01), Nagahara
patent: 6307675 (2001-10-01), Abe et al.
patent: 6348993 (2002-02-01), Hori
patent: 6353509 (2002-03-01), Nakazawa
patent: 6366400 (2002-04-01), Ohzawa
patent: 6384987 (2002-05-01), Sensui
patent: 6396641 (2002-05-01), Hirata et al.
patent: 6400504 (2002-06-01), Miyata
patent: 6406150 (2002-06-01), Burstyn
patent: 6407859 (2002-06-01), Hennen et al.
patent: 6407860 (2002-06-01), Funazaki et al.
patent: 6416181 (2002-07-01), Kessler et al.
patent: 6417966 (2002-07-01), Moshrefzadeh et al.
patent: 6419365 (2002-07-01), Potekev et al.
patent: 6471359 (2002-10-01), Kim et al.
patent: 6473236 (2002-10-01), Tadic-Galeb et al.
patent: 6485145 (2002-11-01), Cotton et al.
patent: 6493032 (2002-12-01), Wallerstein et al.
patent: 6513935 (2003-02-01), Ogawa
patent: 6561649 (2003-05-01), Burstyn
patent: 6574041 (2003-06-01), Chen
patent: 6624952 (2003-09-01), Kuwa et al.
patent: 6626541 (2003-09-01), Sunaga
patent: 6652104 (2003-11-01), Nishida et al.
patent: 6752500 (2004-06-01), Tateishi et al.
patent: 6768594 (2004-07-01), Imafuku et al.
patent: 6788460 (2004-09-01), Knox et al.
patent: 6804055 (2004-10-01), Peterson et al.
patent: 6808271 (2004-10-01), Kurematsu
patent: 6813094 (2004-11-01), Kaminsky et al.
patent: 6853493 (2005-02-01), Kreitzer
patent: 6877862 (2005-04-01), Fukunaga et al.
patent: 6880934 (2005-04-01), Lee
patent: 6883920 (2005-04-01), Chen
patent: 2002/0008853 (2002-01-01), Sunaga
patent: 2002/0044263 (2002-04-01), Takeuchi
patent: 2003/0025885 (2003-02-01), Cotton et al.
patent: 2003/0038999 (2003-02-01), Knox et al.
patent: 2003/0053206 (2003-03-01), Togino
patent: 2003/0169513 (2003-09-01), Kaminsky et al.
patent: 2003/0231261 (2003-12-01), Bassi et al.
patent: 2004/0001254 (2004-01-01), Shimizu
patent: 2004/0227990 (2004-11-01), Peterson et al.
patent: 2004/0257539 (2004-12-01), Peterson et al.
patent: 2989947 (1993-05-01), None
H. Kanayama et al., “A New LC Rear-Projection Display Based on the Aspherical Mirror Projection System,” IDW, 2000, pp. 1041-1044, Sanyo Electric Co., Ltd., Osaka Japan.
J. Ouellette, “Digital Displays with Micromirror Devices,” American Institute of Physics, Jun. 1997, pp. 9-11.
J. Shinozaki, et al. “15.3: A 50-in. Ultra-Slim Liquid-Crystal Rear Projector,” SID 92 Digest, 1992, pp. 273-276, Seiko Epson Corp., Tokyo, Japan.

Affiliated with

Also associated with

Rating

Variable fresnel screen for use in projection device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Variable fresnel screen for use in projection device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Variable fresnel screen for use in projection device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2787327