Photography – Having variable focal length of camera objective – Having focus operation
Reexamination Certificate
2005-11-08
2009-06-30
Perkey, W. B. (Department: 2862)
Photography
Having variable focal length of camera objective
Having focus operation
C396S089000, C359S823000
Reexamination Certificate
active
07555210
ABSTRACT:
A method and system for limiting the motion of items, such as camera optics, are disclosed. A motion limiting member can be used to limit the motion of the item using a surface thereof that abuts a structure of the item. Limits on the motion can be defined by a positioning member that is attached to the motion limiting member and that abuts a structure that is fixed with respect to the desired range of motion of the item whose motion is being limited. This abutment facilitates the precise definition of the limit on the motion of the item.
REFERENCES:
patent: 4860040 (1989-08-01), Tamamura et al.
patent: 5150260 (1992-09-01), Chigira
patent: 2002/0070634 (2002-06-01), Tai et al.
patent: 2003/0048036 (2003-03-01), Lemkin
patent: 2004/0189969 (2004-09-01), Mizuno
patent: 2004/0201773 (2004-10-01), Ostergard
patent: 2005/0007489 (2005-01-01), Ahn et al.
Haynes & Boone LLP.
Perkey W. B.
Phan Minh
Siimpel, Inc.
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