Variable transmittance electrochromic devices

Variable transmittance electrochromic devices

Variable transmittance electrochromic devices

Variable transparency electro-optical device

Variable wavelength attenuator for spectral grooming and...

Variable wavelength light filter and sensor system

Variable wavelength light source apparatus and optical...

Variable wavelength optical filter

Variable wavelength optical filter

Variable wavelength transceiver

Variable width optical slit mechanism

Variable, homogenizing optical splitter apparatus and method

Variable-apex prism controller

Variable-coupling quasioptical electron resonance apparatus

Variable-focal-length lens system and imaging apparatus

Variable-focus lens

Variable-focus lens and image taking apparatus

Variable-focus lens assembly

Variable-focus lens assembly

Variable-focus lens system