The latest Nikon patents

Nikon patent 2011-138044 is for a biological detection system that will sense photographer’s biorhythms (temperature, sweating, blood pressure, heart rate, blood flow) through a sensor on the zoom ring and change the camera setting or even trigger the shutter in certain situations:

 

Nikon filed a patent 2011-145435 in Japan for a 24-70mm f/3.5-4.5 lens:

Patent 2011-150196 describes three different full frame 24mm lens designs:

Patent 2011-139280 is to prevent condensation inside the camera.