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+  The Ur-Quan Masters Discussion Forum
|-+  The Ur-Quan Masters Re-Release
| |-+  Starbase Café (Moderator: Death 999)
| | |-+  whats under the hood?
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Author Topic: whats under the hood?  (Read 13006 times)
Defender
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Re: whats under the hood?
« Reply #45 on: March 17, 2004, 08:30:00 pm »

checking to see if my mouse works on all things, and so far, all the places mentioned, it works. my head, hand, clothes, wood, paper, gloss paper, plastic, metal, ect..
however i did not try a mirror. im guessing that the signal would get reflected somewhere else, and not work. sometimes though, if i pick my mouse up to readjust my posistion on the pad, my pointer losses its posistion and jumps to some random place on the screen. its more of a annoyance than anything. anyone else experiance this kind of behavoir?

~DEFIANT
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FalconMWC
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Re: whats under the hood?
« Reply #46 on: March 17, 2004, 10:36:57 pm »

D_999 - Quick question, by word a motion sensor dectects motion, but in the early mouses, did it not do it with just mechanical parts?
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Chrispy
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Re: whats under the hood?
« Reply #47 on: March 17, 2004, 10:51:51 pm »

they detect motion wiht light censors, not touch censors. Light censores have a light on them.
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FalconMWC
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Re: whats under the hood?
« Reply #48 on: March 17, 2004, 10:54:42 pm »

Even the early, early ones? - Like the kind when they were first invented?
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Chrispy
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Re: whats under the hood?
« Reply #49 on: March 17, 2004, 10:56:50 pm »

I think you forgot some crucial information. An OPTICAL mouse does not use TOUCH censors.
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FalconMWC
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Re: whats under the hood?
« Reply #50 on: March 18, 2004, 12:30:50 am »

No, no - I am NOT talking about a optical mouse, I am talking about the first "mice" invented!
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Terminator
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Re: whats under the hood?
« Reply #51 on: March 18, 2004, 03:37:03 am »

I believe older mice had rolls and reels inside to judge where it was moved. turn over an old mouse or find one set up in a cpu store remove the ball and feel for the rollers
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Re: whats under the hood?
« Reply #52 on: March 18, 2004, 07:02:39 am »

This was Death_999's point though, those rollers are attached to larger wheels with spokes, and those spokes are in-between a sensor and something that looks like a transistor.  I assume the transistor heats up, gives off IR, and the sensor detects the alternations that are casused by the spokes moving.
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Re: whats under the hood?
« Reply #53 on: March 18, 2004, 09:07:42 am »

Actually when I was like 10 I used to mess with the mice at comp stores, they remove the ball from the mice for obvious reasons, I found out then that the mice of the time at least were mechanical not digital not infared not UV basically the same way a joystick works.
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Death 999
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Re: whats under the hood?
« Reply #54 on: March 18, 2004, 07:30:32 pm »

Interesting. I remember hearing that the first widely distributed commercial mouse, the one made for the 1984 Macintosh, used an internal optical sensor. This allowed it to have very little resistance against motion (a problem with early mechanical mice); it also let them keep working for a long time since it had no bending parts aside from the button's spring.
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