Fw: [GreenKeys] Re: Lorenz Model 15

[Henning Treumann]

----- Original Message ----- 
From: "Henning Treumann" <henning at quickweb.de>
To: <jhhaynes at earthlink.net>
Sent: Friday, May 27, 2005 5:56 PM
Subject: Re: [GreenKeys] Re: Lorenz Model 15


>A four-row keyboard was necessary as the standard German
> typewriter keyboard (and now computer) is QWERTZ instead
> of the English QWERTY arragement from which the ITA-2 code
> seems to be derivated.
> If you would use a QWERTZ keyboard in a three-row style the 6
> would be on the place of the Y on the English keyboard...
>
> Most of the German teleprinters are even fitted with a 4-row
> "full size" keyboard with an own key for every letter or figure/number.
> When in figure mode letters are blocked and vice versa.
>
> 73s,
> Henning, DF3OE
> www.teleprinter.net
>
>
>
>
> ----- Original Message ----- 
> From: <jhhaynes at earthlink.net>
> To: <greenkeys at mailman.qth.net>
> Sent: Friday, May 27, 2005 5:35 PM
> Subject: [GreenKeys] Re: Lorenz Model 15
>
>
>>I meant to comment on this earlier.  Lorenz in Germany produced the Model 
>>15 under license from Teletype beginning in the 1930s.  They added some
>> of their own ideas as well.  The four-row keyboard for Baudot is popular
>> in Europe.  I guess it's supposed to be easier for a typewriter-trained
>> typist to use.  When you press FIGS a blocking bar moves to block the
>> QWERT row of keys and unblock the digits on the top row.  When you press
>> LTRS the bar moves to block the top row and unblock the QWERT row.  And
>> there are some other blockings and unblockings as I recall.
>>
>> The standard machine for Telex in Germany has an answerback and typically
>> a tape punch and reader.  The tape equipment works like that on 
>> Teletype's
>> Model 32/33 line.  That is, the punch uses part of the printer, so you
>> have to print to punch.  And the tape reader uses the keyboard 
>> distributor
>> so you can't send from tape and use the keyboard at the same time.
>>
>>
>> jhhaynes at earthlink dot net
>>
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>