I used paper tape when I was in the Navy from 1969 to 1979 and then into
the 1980's when I was in the Reserves. I was a CTO or
Cryptologic/Communications Technician Operator and we used paper tape with
the Teletype machines to send and receive messages within our communication
centers.



On Sat, Jan 14, 2017 at 3:13 AM Bernd Oppolzer <bernd.oppol...@t-online.de>
wrote:

> This German Wikipedia article about Lochstreifen (paper tape) has some
> nice pictures:
> https://de.wikipedia.org/wiki/Lochstreifen#Lochstreifenstanzer
>
> and this is a PDF about the display peripherals of our Telefunken machine:
>
> ftp://computermuseum.informatik.uni-stuttgart.de/telefunken/tr440/doku/SIG100_SIG50_Mar1972.pdf
>
> you can see pictures of the text display SIG 50 and the graphics display
> SIG 100,
> which also had the world's first "computer mouse", the so-called
> Rollkugel, attached to it:
> http://www.oldmouse.com/mouse/misc/telefunken.shtml
>
> The article mentions the teletype Telefunken FSR 105 with a 5-hole paper
> tape,
> but I recall that at the Stuttgart installation there were General
> Electric teletypes
> with an 8-hole paper tape attached. I could not find pictures or
> descriptions of this type.
> I used this type regularly, when I was a student in Stuttgart from 1977 on;
> until the machine went out of service in 1981.
>
> Kind regards
>
> Bernd Oppolzer
>
>
> Am 13.01.2017 um 23:16 schrieb Bernd Oppolzer:
> > BTW: the teletypes were General Electric devices, and the paper tape
> > had 8 holes, not 5.
> > So every row on the tape could hold one 8-bit byte; I don't know what
> > coding it was.
> > The machine had neither ASCII nor EBCDIC; it was another special
> > Telefunken code (Zentralcode).
> >
> > The General Electric teletypes and the display terminals (text and
> > even vector graphic devices)
> > were not directly attached to the TR 440; there was a TR 86 S
> > satellite computer doing the I/O work.
> > This was in the late 1970s.
> >
> > Kind regards
> >
> > Bernd
> >
> >
> > Am 13.01.2017 um 23:05 schrieb Bernd Oppolzer:
> >> When I worked as a student at the university of Stuttgart, Germany
> >> with the Telefunken TR 440 mainframe, before I had access to the
> >> display terminals,
> >> I had to use the card punch (IBM 29, IIRC). But there were also some
> >> teletypes
> >> attached to the machine, which could be used for a time sharing
> >> dialog, and some
> >> of them had a paper tape reader/puncher attached.
> >>
> >> So you could use this paper tape in the following way:
> >>
> >> when finishing work on one day, you could print your source code to
> >> the teletype;
> >> before output starts, you switched on the paper tape punch, and this
> >> way you produced
> >> a paper tape of your source code. (You had to finish before 7.15 pm,
> >> that was GSP-ENDE,
> >> end of dialog, otherwise your work was lost).
> >>
> >> Next day, you used the paper tape to read your source code again into
> >> the machine
> >> via the same teletype.
> >>
> >> This was very convenient; the paper tape was much smaller than a big
> >> box of punched cards
> >> and you hadn't to wait for the operator to process your punched cards
> >> (which was closed shop).
> >> We didn't have access to the LFD (langfristige Datenhaltung = long
> >> term storage on disks etc)
> >> at that time.
> >>
> >> Kind regards
> >>
> >> Bernd
> >>
> >>
> >>
> >> Am 13.01.2017 um 22:26 schrieb Mike Myers:
> >>> For the education of the newbies, I'm going to take paper tape back
> >>> to the '60s. I was in the Air Force from 1960-1964 as an electronics
> >>> technician maintaining cryptographic equipment, some of which was
> >>> used with teletype equipment. Teletypes used a 5-bit code called
> >>> Baudot code. For those of you who have heard the term baud before,
> >>> it represented a single character in the Baudot code. There was a
> >>> specific code that shifted between letters and numbers/figures
> >>> modes, so that there could be more than 32 values represented.
> >>>
> >>> Messages could be punched onto a paper tape from a keyboard and then
> >>> later transmitted through a tape reader into a communications link.
> >>> Or, on the receiving end, a message could either be printed by a
> >>> teletype or punched into a paper tape for further transmission or
> >>> later printing. The technology was eventually used with early
> >>> computers, as you are hearing here.
> >>>
> >>> Mike Myers
> >>> Mentor Services Corporation
> >>>
> >>> On 01/13/2017 03:35 PM, David W Noon wrote:
> >>>> On Fri, 13 Jan 2017 14:21:58 -0600, Tom Marchant
> >>>> (0000000a2a8c2020-dmarc-requ...@listserv.ua.edu) wrote about "Paper
> >>>> tape
> >>>> (was Re: Hidden Figures)" (in
> >>>> <3742476116017335.wa.m42tomibmmainyahoo....@listserv.ua.edu>):
> >>>>
> >>>>> On Fri, 13 Jan 2017 13:56:57 -0600, Mike Schwab wrote:
> >>>>>
> >>>>>> https://en.wikipedia.org/wiki/Punched_tape
> >>>>>> About 1974-75, I lived with my dad, manager of a Kroger store.  At
> >>>>>> night he would insert various strips of punch film into a reader to
> >>>>>> report the store's daily transactions.
> >>>>> Well into the 1970's almost every mainframe shop used paper tape.
> >>>>>
> >>>>> What was it used for?
> >>>> In the mid 1970s I was working for a multi-national chemical
> >>>> company in
> >>>> Melbourne, Australia. We had 2 paper tape readers and 1 paper tape
> >>>> punch. They were used mostly for threatening young programmers who
> >>>> spoke
> >>>> derisively about punched cards. ... :-)
> >>>
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> >>>
> >>
> >
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-- 
Mark T. Regan, K8MTR

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