Inventor

BUHRER CARL F

US33 patents

⚠️ This page may combine multiple inventors who share the name “BUHRER CARL F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BUHRER CARL F

GTE LABORATORIES INC

Methods of and apparatus for tuning a birefringent optical filter

Optical beam splitter prism

Multi-position optical fiber rotary switch

Quasi-achromatic optical isolators and circulators using prisms with total internal fresnel reflection

Quasi-achromatic optical isolators and circulators

Optical wavelength multiplexer/demultiplexer and demultiplexer/remultiplexer

Optical fiber expanded beam connector

Achromatic tuner for birefringent optical filter

Multichannel wavelength multiplexer/demultiplexer

Multiple port optical fiber switch

Planar electrodeless fluorescent light source

Electrodeless fluorescent light source having reduced far field electromagnetic radiation levels

Optical fiber crossconnect switch

Optical fiber rotary switch

Method of charging a vessel with mercury

Ballast circuit for direct current arc lamp

Vacuum-tight assembly particularly for a discharge tube

Ceramic compositions and articles prepared therefrom

Vacuum tight assembly

Method of fabricating magnetic field drive coils for field accessed cylindrical domain memories

Energy saving fluorescent lighting system

Optical switch

Optical polarization restoration apparatus

Fluorescent light source with parallel DC discharges

Arc lamp power supply

Magnetic field drive coils for field accessed cylindrical domain memories

Dosing composition for high pressure sodium lamps

Vacuum-tight assembly

Inductive ballasting of direct current gas discharges

Programmable divider

Dual access magnetic domain memory

CAMBRIDGE RES & INSTRUMENT

Optical polarization switch and method of using same

BUHRER CARL F

Oscillator, and method of adjusting an oscillator to a standard