(12) United States Patent ao) Patent No.: Us 7,120,482 B2
Kimura (45) Date of Patent: Oct. 10,2006
(54) OPTICAL MEASURING APPARATUS AND METHOD
(75) Inventor: Masahiro Kimura, Wako (JP)
(73) Assignee: Honda Motor Co., Ltd., Tokyo (JP)
( * ) Notice: Subject to any disclaimer, the term of this patent is extended or adjusted under 35 U.S.C. 154(b) by 227 days.
(21) Appl. No.: 10/713,263
(22) Filed: Nov. 17, 2003
(65) Prior Publication Data
US 2004/0106856 Al Jun. 3, 2004
(30) Foreign Application Priority Data
Nov. 18, 2002 (JP) 2002-334155
Nov. 25, 2002 (JP) 2002-340679
(51) Int. CI.
A61B 5/00 (2006.01)
(52) U.S. CI 600/344; 600/310
(58) Field of Classification Search 600/310,
600/344,322; 356/300 See application file for complete search history.
(56) References Cited
U.S. PATENT DOCUMENTS
5,331,969 A 7/1994 Silberstein
5,787,887 A * 8/1998 Klingenbeck-Regn 600/310
5,995,866 A * 11/1999 Lemelson 600/476
Optical measuring apparatus is constructed to irradiate near infrared light to a desired portion, such as a head, of a person to be measured, receive arriving light from the desired portion and acquire information about a predetermined substance present in the desired portion on the basis of analysis of data related to the received arriving light. Measuring unit of the apparatus is provided on a cover member removably attachable to the person, and includes at least one light irradiation section for irradiating the near infrared light to the desired portion and at least one light reception section for receiving the arriving light from the desired portion. In a state where the cover member is attached to the person, the light irradiation and reception sections are positioned out of contact with the desired portion.
22 Claims, 16 Drawing Sheets