Incremental printing of symbolic information – Light or beam marking apparatus or processes – Scan of light
Reexamination Certificate
2005-05-10
2005-05-10
Pham, Hai (Department: 2861)
Incremental printing of symbolic information
Light or beam marking apparatus or processes
Scan of light
C347S263000
Reexamination Certificate
active
06891559
ABSTRACT:
An optical scanning apparatus including a laser diode light source fittingly inserted into a holding member. The holding member is formed of a resin material having a thermal conductivity of 0.7 w/m°K or more and filled with either glass fiber or metal oxide or both, or aluminum. A heat radiating fin projecting radially is formed on an outer circumferential portion of the cylindrical body of the holding member. With this structure, temperature rise due to heat emission from the laser diode can be suppressed and deterioration of the laser diode can be prevented. This structure simply and inexpensively provides stable optical properties to optical scanning and image forming devices.
REFERENCES:
patent: 4800401 (1989-01-01), Sato et al.
patent: 4835786 (1989-05-01), Morris et al.
patent: 5219154 (1993-06-01), Fukube et al.
patent: 5224693 (1993-07-01), Taguchi et al.
patent: 5227842 (1993-07-01), Hayashi et al.
patent: 5255904 (1993-10-01), Taguchi et al.
patent: 5270783 (1993-12-01), Bisaiji et al.
patent: 5297376 (1994-03-01), Taguchi et al.
patent: 5315322 (1994-05-01), Bannai
patent: 5316282 (1994-05-01), Fukube et al.
patent: 5325213 (1994-06-01), Takahashi et al.
patent: 5390033 (1995-02-01), Bannai et al.
patent: 5471277 (1995-11-01), Fujioka et al.
patent: 5583607 (1996-12-01), Fujioka et al.
patent: 5583662 (1996-12-01), Takahashi et al.
patent: 5610720 (1997-03-01), Fujioka et al.
patent: 5682227 (1997-10-01), Taguchi et al.
patent: 5689348 (1997-11-01), Takahashi et al.
patent: 5847845 (1998-12-01), Takahashi et al.
patent: 5997153 (1999-12-01), Naoe et al.
patent: 6075624 (2000-06-01), Bannai et al.
patent: 6641878 (2003-11-01), Suzuki et al.
U.S. Appl. No. 09/691,035, filed Oct. 19, 2000, Bannai.
U.S. Appl. No. 10/805,235, filed Mar. 22, 2004, Bannai et al.
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Pham Hai
Ricoh & Company, Ltd.
LandOfFree
Optical scanning apparatus and an image forming apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Optical scanning apparatus and an image forming apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical scanning apparatus and an image forming apparatus will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3445961