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Groups > alt.folklore.computers > #155021
| From | "Osmium" <r124c4u102@comcast.net> |
|---|---|
| Newsgroups | alt.folklore.computers |
| Subject | Re: 1957 LED |
| Date | 2015-12-11 08:20 -0600 |
| Message-ID | <dd04d4F4262U1@mid.individual.net> (permalink) |
| References | <aa4ec05a-2408-4323-b7fe-34d6d61651cb@googlegroups.com> <n4cib8$se5$1@dont-email.me> <n4cl8v$aah$1@dont-email.me> <alpine.LNX.2.02.1512102258270.27954@darkstar.example.org> |
"Michael Black" wrote: > On Thu, 10 Dec 2015, philo wrote: > >> On 12/10/2015 01:06 PM, Al Kossow wrote: >>> On 12/10/15 11:03 AM, hancock4@bbs.cpcn.com wrote: >>>> Sylvania ran an ad for its LED back in 1957, called a photo diode. >>> >>> >>> This is a light detector, not a light generator. >>> >>> >> >> >> >> LED was invented in 1962 >> > That sounds right. I got my first 7segment readouts in 1974, they'd been > out for some years then but the cost was high initially. The Bowmar calculator dates to the fall of 1971 per Google, which fits in OK..
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1957 LED hancock4@bbs.cpcn.com - 2015-12-10 11:03 -0800
Re: 1957 LED Al Kossow <aek@bitsavers.org> - 2015-12-10 11:06 -0800
Re: 1957 LED Michael Black <et472@ncf.ca> - 2015-12-10 14:44 -0500
Re: 1957 LED hancock4@bbs.cpcn.com - 2015-12-11 07:41 -0800
Re: 1957 LED Ahem A Rivet's Shot <steveo@eircom.net> - 2015-12-11 16:37 +0000
Re: 1957 LED Michael Black <et472@ncf.ca> - 2015-12-11 14:42 -0500
Re: 1957 LED philo <philo@privacy.net> - 2015-12-10 13:56 -0600
Re: 1957 LED Michael Black <et472@ncf.ca> - 2015-12-10 22:59 -0500
Re: 1957 LED "Osmium" <r124c4u102@comcast.net> - 2015-12-11 08:20 -0600
Re: 1957 LED Michael Black <et472@ncf.ca> - 2015-12-11 14:33 -0500
Re: 1957 LED Quadibloc <jsavard@ecn.ab.ca> - 2015-12-13 07:58 -0800
Re: 1957 LED Michael Black <et472@ncf.ca> - 2015-12-13 13:00 -0500
Re: 1957 LED Lon <lon.stowell@comcast.net> - 2015-12-13 12:48 -0700
Re: 1957 LED Stan Barr <plan.b@bluesomatic.org> - 2015-12-14 09:07 +0000
Re: 1957 LED Michael Black <et472@ncf.ca> - 2015-12-14 11:47 -0500
Re: 1957 LED rpw3@rpw3.org (Rob Warnock) - 2015-12-16 14:55 +0000
Re: 1957 LED Stan Barr <plan.b@bluesomatic.org> - 2015-12-16 16:32 +0000
Re: 1957 LED Michael Black <et472@ncf.ca> - 2015-12-16 14:17 -0500
Re: 1957 LED "Charles Richmond" <numerist@aquaporin4.com> - 2015-12-16 18:15 -0600
Re: 1957 LED Stan Barr <plan.b@bluesomatic.org> - 2015-12-17 07:58 +0000
Re: 1957 LED Andrew Swallow <am.swallow@btinternet.com> - 2015-12-17 13:21 +0000
Re: 1957 LED Ingo Paschke <ipaschke@lpclabs.de> - 2015-12-14 11:11 +0100
Re: 1957 LED Stephen Wolstenholme <steve@easynn.com> - 2015-12-11 10:58 +0000
Re: 1957 LED Lon <lon.stowell@comcast.net> - 2015-12-13 12:50 -0700
Re: 1957 LED Stephen Wolstenholme <steve@easynn.com> - 2015-12-14 12:57 +0000
Re: 1957 LED "gareth" <no.spam@thank.you.invalid> - 2015-12-14 14:07 +0000
Re: 1957 LED Stephen Wolstenholme <steve@easynn.com> - 2015-12-14 14:33 +0000
Re: 1957 LED hancock4@bbs.cpcn.com - 2015-12-11 07:31 -0800
Re: 1957 LED Quadibloc <jsavard@ecn.ab.ca> - 2015-12-13 07:42 -0800
Re: 1957 LED Ahem A Rivet's Shot <steveo@eircom.net> - 2015-12-14 09:39 +0000
Re: 1957 LED Jon Elson <jmelson@wustl.edu> - 2015-12-14 17:07 -0600
Re: 1957 LED Alfred Falk <falk@arc.ab.ca> - 2015-12-15 18:53 +0000
Re: 1957 LED Michael Black <et472@ncf.ca> - 2015-12-15 15:05 -0500
Re: 1957 LED hancock4@bbs.cpcn.com - 2015-12-16 07:32 -0800
Re: 1957 LED Alfred Falk <falk@arc.ab.ca> - 2015-12-16 17:23 +0000
Re: 1957 LED Michael Black <et472@ncf.ca> - 2015-12-16 14:23 -0500
Re: 1957 LED Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2015-12-16 20:13 +0000
Re: 1957 LED hancock4@bbs.cpcn.com - 2015-12-16 13:15 -0800
Re: 1957 LED Michael Black <et472@ncf.ca> - 2015-12-17 14:53 -0500
Re: 1957 LED "Charles Richmond" <numerist@aquaporin4.com> - 2015-12-17 14:17 -0600
Re: 1957 LED Michael Black <et472@ncf.ca> - 2015-12-18 19:43 -0500
Re: 1957 LED "Charles Richmond" <numerist@aquaporin4.com> - 2015-12-20 20:02 -0600
Re: 1957 LED hancock4@bbs.cpcn.com - 2015-12-21 10:31 -0800
Re: 1957 LED Michael Black <et472@ncf.ca> - 2015-12-21 14:53 -0500
Re: 1957 LED mausg@mail.com - 2015-12-21 20:27 +0000
Re: 1957 LED Uncle Steve <stevet810@gmail.com> - 2015-12-17 18:48 -0500
Re: 1957 LED davidmylastname@acm.org (David Griffith) - 2015-12-16 02:43 +0000
Re: 1957 LED Mike Spencer <mds@bogus.nodomain.nowhere> - 2015-12-16 17:44 -0400
Re: 1957 LED scott@slp53.sl.home (Scott Lurndal) - 2015-12-10 19:13 +0000
Re: 1957 LED "gareth" <no.spam@thank.you.invalid> - 2015-12-10 20:17 +0000
Re: 1957 LED Lawrence Statton <lawrence@sengiuo.mx> - 2015-12-10 17:10 -0600
Re: 1957 LED Michael Black <et472@ncf.ca> - 2015-12-10 23:00 -0500
Re: 1957 LED isw <isw@witzend.com> - 2015-12-10 21:21 -0800
Re: 1957 LED Stan Barr <plan.b@bluesomatic.org> - 2015-12-11 08:01 +0000
Re: 1957 LED Michael Black <et472@ncf.ca> - 2015-12-11 14:30 -0500
Re: 1957 LED "Charles Richmond" <numerist@aquaporin4.com> - 2015-12-11 15:36 -0600
Re: 1957 LED Stan Barr <plan.b@bluesomatic.org> - 2015-12-12 07:55 +0000
Re: 1957 LED mausg@mail.com - 2015-12-12 11:20 +0000
Re: 1957 LED Stan Barr <plan.b@bluesomatic.org> - 2015-12-12 15:39 +0000
Re: 1957 LED Michael Black <et472@ncf.ca> - 2015-12-12 10:50 -0500
Re: 1957 LED Stan Barr <plan.b@bluesomatic.org> - 2015-12-13 08:00 +0000
Re: 1957 LED "gareth" <no.spam@thank.you.invalid> - 2015-12-13 11:10 +0000
Re: 1957 LED Lon <lon.stowell@comcast.net> - 2015-12-13 12:51 -0700
Re: 1957 LED "gareth" <no.spam@thank.you.invalid> - 2015-12-11 10:59 +0000
Re: 1957 LED Ahem A Rivet's Shot <steveo@eircom.net> - 2015-12-11 15:46 +0000
Re: 1957 LED "gareth" <no.spam@thank.you.invalid> - 2015-12-11 17:37 +0000
Re: 1957 LED Ahem A Rivet's Shot <steveo@eircom.net> - 2015-12-11 18:34 +0000
Re: 1957 LED Michael Black <et472@ncf.ca> - 2015-12-11 14:49 -0500
Re: 1957 LED "Charles Richmond" <numerist@aquaporin4.com> - 2015-12-11 15:39 -0600
Re: 1957 LED Bob Eager <news0005@eager.cx> - 2015-12-11 22:46 +0000
Re: 1957 LED Michael Black <et472@ncf.ca> - 2015-12-11 19:07 -0500
Re: 1957 LED Bob Eager <news0005@eager.cx> - 2015-12-12 01:04 +0000
Re: 1957 LED Ahem A Rivet's Shot <steveo@eircom.net> - 2015-12-12 08:54 +0000
Re: 1957 LED hancock4@bbs.cpcn.com - 2015-12-11 11:52 -0800
Re: 1957 LED "Charles Richmond" <numerist@aquaporin4.com> - 2015-12-11 15:46 -0600
Re: 1957 LED Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2015-12-11 22:56 +0000
Re: 1957 LED "Charles Richmond" <numerist@aquaporin4.com> - 2015-12-11 15:35 -0600
Re: 1957 LED Quadibloc <jsavard@ecn.ab.ca> - 2015-12-13 07:51 -0800
Re: 1957 LED Lawrence Statton <lawrence@senguio.mx> - 2015-12-10 17:09 -0600
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