Optical Or Pre-photocell System Patents (Class 250/216)
- Optical delay line (Class 250/227.12)
- Light pen (Class 250/227.13)
- Condition responsive light guide (e.g., light guide is physically affected by parameter sensed which results in light conveyed to the photocell) (Class 250/227.14)
- With imaging (Class 250/227.2)
- With light chopping or modulation (Class 250/227.21)
- With spectral frequency/wavelength discrimination (Class 250/227.23)
- With coupling enhancement means (Class 250/227.24)
- With scanning (Class 250/227.26)
- With coherent interferrometric light (Class 250/227.27)
- With specific configuration of light conductor components with respect to each other (Class 250/227.28)
- With specific illumination or viewing orientation of light conductor relative to viewed object (e.g., light normal to, and detector at 45 degree angle to, viewed object) (Class 250/227.29)
- With variable orientation of light conductor relative to viewed object (e.g., goniometer) (Class 250/227.3)
- Side or edge illuminated light conductor or collector (Class 250/227.31)
- End illuminated light conductor with noncircular geometric cross section (Class 250/227.32)