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Author Topic: Vintage HP  (Read 2314 times)

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Offline didjamatic

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Vintage HP
« on: Mon, 05 April 2010, 14:03:48 »
Vintage HP 85-B Computer - check keyboard pics.


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IBM F :: IBM M :: Northgate :: Cherry G80 :: Realforce :: DAS 4

Offline ch_123

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Vintage HP
« Reply #1 on: Mon, 05 April 2010, 14:07:53 »
Those look like the switches used in the DEC VT-100. Inside the plastic border there are two arms with electrical contacts on them. The depression of the border causes the two arms to move together until they meet and the circuit is made.

Did I mention that they're boring linear switches?
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Offline didjamatic

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Vintage HP
« Reply #2 on: Mon, 05 April 2010, 14:12:59 »
Ah, same concept as Space Invader Switches then.

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IBM F :: IBM M :: Northgate :: Cherry G80 :: Realforce :: DAS 4
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