Sughrue, Mion, Zinn, Macpeak, and Seas
Optical connector system
 An optical connector system for combining light-receiving and light-transmitting optical fiber bundles has a male and female housing fitted to one end of light-transmitting and light-receiving bundles. The optical fiber bundles are held in the housings such that the end surface of a light receiving fiber bundle and that of a light-transmitting fiber bundle are simultaneously coupled to each other when the housings are joined. The female housing may contain a light-transmitting window and a light-receiving window such that when the male housing engages the female housing, the light-transmitting window faces the end surface of the light-transmitting fiber bundle and the light-receiving window faces the end surface of the light receiving bundle. The optical connector system may be used with a measuring apparatus having a main body with a light source having a light concentrating system, the female housing being connected to the main body such that with the male housing engaged with the female housing light from the light source is concentrated on the light-transmitting fiber bundle. A measuring portion of the measuring apparatus includes an image focusing system for focusing an image on the end surface of the light-receiving fiber bundle on a slit. 
Sumitomo Electric Industries, Ltd.
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Tomio Kimizo Kenichi
Iwamoto Ono Yoshida