Watch case with positioning means

Horology: time measuring systems or devices – Cases

Patent

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Details

368281, G04B 3700, A44C 500

Patent

active

059128658

ABSTRACT:
A watch case is arranged with a periphery having a lobe and a recess to cooperate with the human anatomy and ergonomics. A specially shaped watch case provides a means to couple a wristwatch to a wrist bone. The coupling provides mechanism to reduce movement of the watch about the wrist and to locate an optical probe with respect to a preferred region of tissue. In addition to the special shape of the watch case, an arrangement of watch bands and their attachment to watch cases advances the objectives of devices of the invention.

REFERENCES:
patent: 2226138 (1940-12-01), Prestinari
patent: 4224948 (1980-09-01), Cramer et al.
patent: 4825872 (1989-05-01), Tan et al.
patent: 4867557 (1989-09-01), Takatani et al.
patent: 5068840 (1991-11-01), Buckner
Skin Reflectance Pulse Oximetry; Mendleson Yocum Biomedical Instrumentation and Technology.

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