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Patent Searching and Data


Title:
ILLUMINATED OPTICAL APPARATUS
Document Type and Number:
WIPO Patent Application WO/2010/078456
Kind Code:
A3
Abstract:
A device may include a magnifying lens having a focal length that defines a focal plane, a light source providing visible light directed toward the focal plane, and a controller. The controller may be programmed to receive a signal indicative of the distance from the device to an object, cause the light source to emit visible light at a first brightness if the distance is at least substantially equal to the focal length of the lens, and cause the light source to emit visible light at a second brightness, dimmer than the first brightness, if the distance is not at least substantially equal to the focal length of the lens.

Inventors:
TOBEY W SCOTT (US)
BLANCO JEFFREY J (US)
FORSYTH DWAYNE D (US)
DEVICK STEVEN (US)
Application Number:
PCT/US2009/069861
Publication Date:
September 23, 2010
Filing Date:
December 30, 2009
Export Citation:
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Assignee:
SJ TECHNOLOGIES LLC (US)
TOBEY W SCOTT (US)
BLANCO JEFFREY J (US)
FORSYTH DWAYNE D (US)
DEVICK STEVEN (US)
International Classes:
G02B27/02; F21V8/00; F21V14/00; G02B27/00; G02C11/04
Foreign References:
KR19990005291A1999-01-25
JPH06241788A1994-09-02
JP2002299076A2002-10-11
JPH0831578A1996-02-02
Attorney, Agent or Firm:
KAMHOLZ, Scott, E. (Foley Hoag LLP,155 Seaport Boulevar, Boston MA, US)
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