User:Dicklyon

Dick Lyon

Hi, I'm Dick Lyon. I am a research engineer in Silicon Valley, California.

Some of my work prior to Wikipedia is linked on my new tech home page dicklyon.com.

/sandbox

[edit] Contributions to the Wikipedia

My contributions are mostly related to photography, photometry, color, electronics, and signal processing so far. My contributions on these articles range from very small to total rewrite; see the respective article histories.

[edit] Images

The galleries below show some pix I've uploaded, with links to pages that use them.

Some images of people that I uploaded:

Ivan Sutherland	James Clerk Maxwell	August Seebeck	Faust Vrančić
Richard F. Lyon	Wesley A. Clark	Louis Agassiz	Ugo Fano photo by Chris Greene
John Herschel	Désiré van Monckhoven	Hermann W. Vogel	INTERCAL
Richard F. Lyon

[edit] Photography and optics

Some images about photography and optics that I uploaded:

Bayer filter	Color filter array	Bayer filter	Angle of view
Film grain	Rule of thirds	Image	Moritz von Rohr
Snell's law	diffraction	Waterhouse stop	Actinograph
Ibn Sahl	Snell's law	Infrared photography photo by Seng P. Merrill	Sigma SD10
Astigmatism	3CCD	Frederick Eugene Ives	Bulb (photography)
Bulb (photography)	Diaphragm (optics)	Lewis Morris Rutherfurd	Sensitometry
Rainbow photo by Seng P. Merrill	Rainbow photo by Georges Noblet	Bayer filter	Diffraction
f-number	Rainbow	right|thumb|250px|Pixel	Diaphragm (optics)
right|thumb|70px|Diaphragm (optics)	Aperture	right|thumb|50px|Circle of confusion	Zeiss formula

[edit] Photometry and colorimetry

Some images about photometry and color that I uploaded:

Spectral sensitivity	Color chart	Color solid	Color solid
Jacob Christoph Le Blon	Color wheel	Cyan	Color wheel
Color triangle	Color triangle	Color wheel	Color blindness
Theory of Colours	Color triangle	Color wheel	Color wheel
Color wheel	Color wheel	Color wheel	Color wheel
Color wheel	Color wheel	Color wheel	Diatonic and chromatic
Gamut (disambiguation)	RGB color model	Yellow	Yellow
Color	Gamma correction	Cone cell	Luminosity function

[edit] Electronics and signal processing

Some images about electronics and signal processing that I uploaded:

Capacitor	Backward diode	Diode–transistor logic	Resistor–transistor logic
Solenoid	Channel capacity	Aliasing	Battery electric vehicle
TRS connector	Shockley Semiconductor Laboratory	Dither	Dither
Scale-space segmentation	Gray code	Scale space implementation	Scale space implementation
Scale space implementation	MOSFET	Nyquist–Shannon sampling theorem	Sampling (signal processing)
Oskar Heil	Fairchild Semiconductor	Fairchild Semiconductor	Shockley Semiconductor Laboratory
Aliasing

[edit] Computer graphics and video

[edit] Math, science, engineering, inventors

Some images about mathematics that I uploaded:

Root rectangle	Root rectangle	Shannon–Weaver model	Planimeter
Logarithm	Golden spiral	Q.E.D.	Golden angle
e (mathematical constant)	Golden ratio	Ptolemy's theorem	Golden ratio
Golden ratio	Golden ratio

[edit] Miscellaneous

Some other miscellaneous images that I uploaded:

Cochlea	Bandelier National Monument	Diatonic and chromatic	Alexis Soyer
Chimayo photo by Andrea Stawitcke	Cochlea	Canons of page construction	Gossamer Condor
Samuel Dirksz van Hoogstraten	Tehachapi Loop	Excelsior (wood wool)	right|thumb|35px|Otis King

Panorama of Stein am Rhein in late afternoon sunlight, stitched for me by Laurence