Browse Prior Art Database

Solid State Indicator Lamp

IP.com Disclosure Number: IPCOM000089870D
Original Publication Date: 1968-Dec-01
Included in the Prior Art Database: 2005-Mar-05
Document File: 2 page(s) / 22K

Publishing Venue

IBM

Related People

Powers, CB: AUTHOR [+2]

Abstract

A GaAs diode 10 can be used as an indicator lamp on a display panel 12 in place of the usual incandescent bulb so as to provide the usual indicator function and at the same time permit its use for diagnostic work. A GaAs diode has a response time which is much faster than an incandescent bulb thus enabling optical pickup 14 to detect pulse trains 16 and display the pulse trains on scope 18. This is not possible with ordinary incandescent bulbs because their slow response time cause the pulses which are examined to be integrated, thus preventing the pickup of the individual pulses by pickup 14.

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Solid State Indicator Lamp

A GaAs diode 10 can be used as an indicator lamp on a display panel 12 in place of the usual incandescent bulb so as to provide the usual indicator function and at the same time permit its use for diagnostic work. A GaAs diode has a response time which is much faster than an incandescent bulb thus enabling optical pickup 14 to detect pulse trains 16 and display the pulse trains on scope
18. This is not possible with ordinary incandescent bulbs because their slow response time cause the pulses which are examined to be integrated, thus preventing the pickup of the individual pulses by pickup 14.

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