Burcher Ernest E, Rowland Carroll W, Sinclair Archibald R: A laser communication system for controlling several functions at a location remote to the laser. January 9, 1973: US3710122 (21 worldwide citation)

A multichannel laser remote control system for use in areas where radio frequency, acoustic and hardwire control systems are unsatisfactory or prohibited and where line-of-sight is unobstructed. A modulated continuous wave He-Ne laser is used as the transmitter and a unique 360.degree. light collect ...

Burcher Ernest E, Jobson Daniel J, Katzberg Stephen J, Kelly IV William L: Spectrometer integrated with a facsimile camera. The United States of America represented by the Administrator of the, Osborn Howard J, King William H, Manning John R, March 4, 1975: US3869212 (18 worldwide citation)

This invention integrates a spectrometer capability with the basic imagery function of facsimile cameras without significantly increasing mechanical or optical complexity, or interfering with the imaging function. The invention consists of a group of photodetectors arranged in a linear array in the ...

Sinclair Archibald R, Burcher Ernest E, Katzberg Stephen J: Automatic focus control for facsimile cameras. The United States of America represented by the Administrator of the, King William H, Osborn Howard J, Manning John R, December 24, 1974: US3857031 (12 worldwide citation)

A movable stage contains two photodetectors for focusing, as well as an imaging sensor. The imaging sensor produces the video data in the fashion standard to facsimile cameras. The two photodetectors are placed with one closer to the lens of the facsimile camera than the imaging sensor and with the ...

Keafer Jr Lloyd S, Burcher Ernest E, Kopia Leonard P: Transmitting and reflecting diffuser. The United States of America represented by the Administrator of the, December 18, 1973: US3779788 (3 worldwide citation)

An ultraviolet grade fused silica substrate is coated with vaporized fused silica. The coating thickness is controlled, one thickness causing ultraviolet light to diffuse and another thickness causing ultraviolet light to reflect a near Lambertian pattern.