Half a croissant, on a plate, with a sign in front of it saying '50c'
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Light My Inches

A light that projects a measuring grid when turned on
  (+3, -1)
(+3, -1)
  [vote for,

No more carying the tape measure or level around. Simply screw in our "Light My Inches" into the socket, and project a measuring grid onto the desired surface, the entire room if need be.

Per phoenix's annotation, use IR distance measurers to properly calibrate focusing.

Adjust focus for Metric and English conversions

Inspired by Measuring Loaf

theircompetitor, May 14 2004

(?) Blurb about ceramic tile layout. http://floorstransf...m/patternfloor.html
"There is no better way to lay your ceramic tile floor out than to pop chalk lines into a grid styled layout" [half, Oct 17 2004]

(?) Time Projector Keychain, could be Ruler Projector Keychain http://www.brooksto...ch_words=projector#
[theircompetitor, Oct 17 2004]

(?) Light My Feet http://www.amazon.c...80-7514309?v=glance
Automatic room measurements: uses lasers but no grids. Just don't drop it. [DrCurry, Oct 17 2004]

(??) DeWalt Laser Plumb bob http://popularmecha...004/3/dewalt_laser/
Anything like this? [waugsqueke, Oct 17 2004]

AR to the rescue Light_20My_20Inches
[theircompetitor, Jun 04 2018]


       You could re-write the idea and move it to the fashion:codpiece category...
Lacus Trasumenus, May 14 2004

       A good loo light for nighttime dimension reassurance?
FarmerJohn, May 14 2004

       Combine a vector graphics capable laser and IR distance measurer. You'd want a wide field of projection (and you'd need to compensate for that). It wouldn't be much good on unflat surfaces (or around corners) and you'd have to aim it pretty straight, but it probably has some applications.
phoenix, May 14 2004

       I have thought about a device, almost exactly as [phoenix] mentions, that would project a grid as a guide for ceramic floor tile installations.
half, May 14 2004

       Tabs -- I think a device that does proper optics can be built, as phoenix mentions. It maybe interesting to have multiple gradations, so as you focus (or unfocus), you cover a larger area but still with proper measurements
theircompetitor, May 14 2004

       If you say so, [Tabs].
half, May 14 2004

       No more carrying the tape measure around. Simply carry around the 'Light My Inches' instead. More complicated, requires power source, can't measure shaded areas and doesn't provide that alarming schwoooosh you get when the razor-edged tape measure retracts. Bone.
dobtabulous, May 14 2004

       dobtabulous -- I'm thinking for large scale work you put a special light into the light socket. The entire room looks like the holodeck.   

       Or, for smaller scale, something like the link
theircompetitor, May 14 2004

       Good idea, but won't work unless it features something along the lines of phoenix's calibrator. Given that distance locators exist, you could add this as a feature.
DrCurry, May 14 2004

       Any one see the History Channels piece on measuring US Marines for uniforms by using a laser measuring tool.? It scanned them head to toe and came up with the correct sizes. Same technology applied to making custom action figures.
dentworth, May 14 2004

       Well, if its light based, then when it comes to marking, or other surface-related activities, then couldn't shadows become a real problem? I'm thinking tracing projector-like problem.
Letsbuildafort, May 14 2004

       Not sure I understand -- are you saying as you're nailing the nail in you're obscuring the ruler?   

       I would think you can mark just fine -- your shadow does not completely darken the wall you're working on, nor would it in this case.
theircompetitor, May 14 2004


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