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Intersteno Congress Prague 2007
Maurice Ravel and the WEASEL®
presented byWolf-Heider Rein
Pforzheim (Black Forest) Germany
A Device Stimulating the Art of Keyboarding
Prague July 24, 2007
page 2 of 25
Dear audience
please listen five minutesto the cadenza of Ravel‘s piano concerto:
Maurice Ravel ( *1875 †1937 )
Concerto for Piano and Orchestra in D major
You will hear the soloist Monique Haas
using a keyboard likely manufactured by Steinway & Sons
Maurice Ravel and the WEASEL® A Device Stimulating the Art of Keyboarding
Prague July 24, 2007
page 3 of 25
Maurice Ravel
Concerto for Piano and Orchestra in D major
Orchestre National de la RTFPaul Paray
Soloist Monique HaasRecording 1965
Deutsche Grammophon GmbH Hamburg
Maurice Ravel and the WEASEL® A Device Stimulating the Art of Keyboarding
Prague July 24, 2007
page 4 of 25
Maurice Ravel
Concerto for Piano and Orchestra in D major
Maurice Ravel
Concerto for Piano and Orchestra in D major
The piano cadenza begins in a short time
and goes on for 222 seconds
Maurice Ravel and the WEASEL® A Device Stimulating the Art of Keyboarding
Prague July 24, 2007
page 5 of 25
Maurice Ravel and the WEASEL® A Device Stimulating the Art of Keyboarding
Excerpt from Durand Editions Musicales © 1937
Prague July 24, 2007
page 6 of 25
Maurice Ravel and the WEASEL® A Device Stimulating the Art of Keyboarding
Prague July 24, 2007
page 7 of 25
inter key stroke interval
iksi = 104 ms
Maurice Ravel and the WEASEL® A Device Stimulating the Art of Keyboarding
Prague July 24, 2007
page 8 of 25
iksi = 104 ms (inter key stroke interval)
is equivalent to 580 kspm (key strokes per minute)
Maurice Ravel and the WEASEL® A Device Stimulating the Art of Keyboarding
Prague July 24, 2007
page 9 of 25
580 kspm
Maurice Ravel and the WEASEL® A Device Stimulating the Art of Keyboarding
Prague July 24, 2007
page 10 of 25
580 kspm
Maurice Ravel and the WEASEL® A Device Stimulating the Art of Keyboarding
Prague July 24, 2007
page 11 of 25
slowing down to ...
Maurice Ravel and the WEASEL® A Device Stimulating the Art of Keyboarding
inter key stroke interval iksi =115 ms
Prague July 24, 2007
page 12 of 25
Maurice Ravel and the WEASEL® A Device Stimulating the Art of Keyboarding
520 kspm
Prague July 24, 2007
page 13 of 25
Maurice Ravel and the WEASEL® A Device Stimulating the Art of Keyboarding
520 kspm
Prague July 24, 2007
page 14 of 25
520 kspm
Maurice Ravel and the WEASEL® A Device Stimulating the Art of Keyboarding
Prague July 24, 2007
page 15 of 25
520 kspm
Maurice Ravel and the WEASEL® A Device Stimulating the Art of Keyboarding
Prague July 24, 2007
page 16 of 25
Maurice Ravel and the WEASEL® A Device Stimulating the Art of Keyboarding
520 kspm
Prague July 24, 2007
page 17 of 25
Maurice RavelConcerto for the left hand
for Piano and Orchestra in D major
Maurice Ravel and the WEASEL® A Device Stimulating the Art of Keyboarding
Dear audienceyou have listened to the cadenza of
Performance with top level precision oftouch force, expression, zero mistakes, timing,
520 and 580 kspm without striving for maximum speed:
One hand is totally sufficientfor high speed manual data transmission
! ! !
Prague July 24, 2007
page 18 of 25
Maurice Ravel and the WEASEL® A Device Stimulating the Art of Keyboarding
Tone transmission board with 85 tone select positions
Text transmission board with 45 character select positions
1/6Average frequencyin German language 2/3
Prague July 24, 2007
page 19 of 25
Maurice Ravel and the WEASEL® A Device Stimulating the Art of Keyboarding
Funktion keys
Navigation mode
Text mode
Data mode
PC transmission board with 150 select positions
7CODE bebkgn
blue
black
green
Prague July 24, 2007
page 20 of 25
Maurice Ravel and the WEASEL® A Device Stimulating the Art of Keyboarding
The WEASEL®
Wheel for swivelling to both sides
Three long keys with vertical sensor pads for fore-middle-ring finger
Two side keys for thumb and little finger
Wrist support with push-pull detection
7CODE
Ctrl Alt Start
Separatedisplay
showing the complete layout
and lighting up thecurrent field of
touch spots
Prague July 24, 2007
page 21 of 25
Maurice Ravel and the WEASEL® A Device Stimulating the Art of Keyboarding
Operatingthe WEASEL®
Swivelleft or right
between 1 of 5 positions
Presskey at1 of 5pos.
Slideup or down
on pressed keybetween
1 of 3positions
7CODE
Ctrl Alt Start
Pushpull
of wrist support between 1 of 3 positions
Prague July 24, 2007
page 22 of 25
Maurice Ravel and the WEASEL® A Device Stimulating the Art of Keyboarding
The Weasel differentiates 15 swivel and wrist positions (input fields)
In each input field it differentiates 45 different input signals (5,5 bit)
9 single strokes pressed sequentially
+ 21 double strokes pressed simultaneously (easy to play chords only)
+ 15 triple strokes pressed simultaneously (easy to play chords only)
Combined with thumb plus little finger the Weasel is able to distinguish2 700 different input signals (11,4 bit) with one manual input movement
Prague July 24, 2007
page 23 of 25
Maurice Ravel and the WEASEL® A Device Stimulating the Art of Keyboarding
The Weasel saves space in front of the screenand makes PC-work more comfortable
for everybody
+
×÷ –
Erg onomische Reg el :
Prague July 24, 2007
page 24 of 25
Maurice Ravel and the WEASEL®
A Device Stimulating the Art of Keyboarding
First time public announcement of the WEASEL idea
at the Intersteno Congress Prague 2007
Prague July 24, 2007
page 25 of 25
The WEASEL®
one-handed touch-typingsimple – convenient – rapid
The WEASEL ideais looking forward to a brigth future
and confidently expects to discover friendsamongst all enthusiasts for keyboarding