- Email: [email protected]
Colour inkjet hardcopier
4691 colour inkjet plotter from Tektronix
Colour inkier hardcopier Tektronix have launched an inkjet colour copier, the 4691. A3 and A4 copies can be produced. There are four ink cartridges lyellow, cyan, magenta
and black) and additional colours can be produced by 'dithering'. The plotter can place 150 dots/in in both horizontal and vertical directions, at a speed of about 20 000 droplets/s. An A4 plot takes about 2½ min, an A3 plot about 4 min. The 4691 is compatible with the 4113 Option 9 graphics terminal, which allows spooling of an image file onto disc. Up to four terminals can be interfaced to one copier. Alternatively, the copier may be linked to a host computer, so that the plotted resolution may be that of the host rather than the terminal being used. The 4691 costs about £10000.
(Tektronix UK Limited, Beaverton House, PO Box 69, Harpenden, Hefts, UK. Tel: 63141. Tx: 25559)
Raster displays
up to 256 connection points. Data transmission rate is 5 Mbit/s. (Calma
I ntergraph have launched two new displays with local processing power. Both the monochrome DSPO41 and the colour DSPO42 have a resolution of 1280 x 1024 pixels. The refresh rate is 60Hz. Up to eight independent working views can be displayed. Each display has three local processors and an 0.824 Mbyte internal memory, proriding dynamic pen, zoom and 3D rotation. The DSPO42 has a palette of 4096 colours, of which 256 are displayable simultaneously. Double-buffered raster memory planes are used. (Intergraph
(UK) L/m/ted, Beech House, 373-399 London Road, Camberley, Surrey GUI5 3HR, UK. Tel: (0276) 682021. Tx: 858216)
(Great Britain) Limited, Albion House, Oxford Street, Newbury, Berks RGI3 IJG, UK. Tel: (0635) 49044. Tx:
848831)
Local area network Calma is now offering a local-area networking feature for its CADCAM systems. Based on the GE-Net, the network links together Calma's electronics CAD systems and their new engineering workstations with a DEC VAX over distances of up to 1500 m. Additional 1500 m extensions are available via repeater units. Up to 20 channels of data may be used, with facilities for video and voice transmission if required. The network uses the CSMA/CD protocol, with provision for
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Pressure-sensitivepen A pressure sensing digitizer pen has been launched by GTCO Corporation. The pen senses up to 32 levels of pressure at its tip; these may be translated into varying line widths, line textures, grey scales or colour. It may also be used with GTCO's 4D option, which senses pen tilt angle. The pen is particularly aimed at artists, allowing them to treat the digitizing process in a similar way to normal drawing or painting. The Pressure Pen costs $720.
(GTCO Corporation, 1055 First Street, Rockvillem, MD 20850, USA. Tel: (301) 2 79-9550)
be used. Options include a remote control track ball, cursor, overlay and co]our mapper. The cursor includes a programmable 64 x 64 inner patch so that a targeting shape can be defined. The colour mapper allows for colour correction, gamma correction, and false colour. A basic framestore costs £7 000; a complete system including 4 image memories, AD and DA convertors, cursor, track ball, overlay and colour mapper costs £25 000. (Computer
Recognition Systems Limited, Unit 5, Fishponds Road, Wokingham, Barks, UK. Tel." (0734) 792922)
Colour workstation from Sigma Sigma Electronics Limited have added a colour workstation to their 5000 Series range. The $5484 has a highresolution [1536 x 1024 pixels) 20 in display, with a detachable keyboard which incorporates a joystick. A number of new features are included in the $5484, including fast vector drawing, irregular boundary area fill and firmware generation of circles, arcs and ellipses. These features will now be included on all the 5000 Series. Up to 64 user specific tasks can be programmed in. The co]ours may be chosen from a palette of 4096 different shades. In addition to the pixel memory planes, there is an independent text store for four pages of text, with a programmable screen format of up to 30 lines of 80 characters, or 40 double-width characters. The $5484 costs about £13 000.
(Sigma Electronic Systems Limited, Sigma House, North Heath Lane, Horsham, WestSussex RH 12 4UZ, UK. Tel." (0403) 50445)
Image processor Computer Recognition Systems have launched an image processing system based on their CRS 4000 series digital framestore. Standard features include zoom, scroll, pan and windowing. Full and reduced resolution images of any size and shape can be stored in any of the 512 x 512 pixel memories. Up to 16 8-bit image stores may be used. Square or 4:2 aspect ratio pixels may
$5484 colour workstation from Sigma Electronics
computer-aided design
Colour inkier hardcopier Tektronix have launched an inkjet colour copier, the 4691. A3 and A4 copies can be produced. There are four ink cartridges lyellow, cyan, magenta
and black) and additional colours can be produced by 'dithering'. The plotter can place 150 dots/in in both horizontal and vertical directions, at a speed of about 20 000 droplets/s. An A4 plot takes about 2½ min, an A3 plot about 4 min. The 4691 is compatible with the 4113 Option 9 graphics terminal, which allows spooling of an image file onto disc. Up to four terminals can be interfaced to one copier. Alternatively, the copier may be linked to a host computer, so that the plotted resolution may be that of the host rather than the terminal being used. The 4691 costs about £10000.
(Tektronix UK Limited, Beaverton House, PO Box 69, Harpenden, Hefts, UK. Tel: 63141. Tx: 25559)
Raster displays
up to 256 connection points. Data transmission rate is 5 Mbit/s. (Calma
I ntergraph have launched two new displays with local processing power. Both the monochrome DSPO41 and the colour DSPO42 have a resolution of 1280 x 1024 pixels. The refresh rate is 60Hz. Up to eight independent working views can be displayed. Each display has three local processors and an 0.824 Mbyte internal memory, proriding dynamic pen, zoom and 3D rotation. The DSPO42 has a palette of 4096 colours, of which 256 are displayable simultaneously. Double-buffered raster memory planes are used. (Intergraph
(UK) L/m/ted, Beech House, 373-399 London Road, Camberley, Surrey GUI5 3HR, UK. Tel: (0276) 682021. Tx: 858216)
(Great Britain) Limited, Albion House, Oxford Street, Newbury, Berks RGI3 IJG, UK. Tel: (0635) 49044. Tx:
848831)
Local area network Calma is now offering a local-area networking feature for its CADCAM systems. Based on the GE-Net, the network links together Calma's electronics CAD systems and their new engineering workstations with a DEC VAX over distances of up to 1500 m. Additional 1500 m extensions are available via repeater units. Up to 20 channels of data may be used, with facilities for video and voice transmission if required. The network uses the CSMA/CD protocol, with provision for
110
Pressure-sensitivepen A pressure sensing digitizer pen has been launched by GTCO Corporation. The pen senses up to 32 levels of pressure at its tip; these may be translated into varying line widths, line textures, grey scales or colour. It may also be used with GTCO's 4D option, which senses pen tilt angle. The pen is particularly aimed at artists, allowing them to treat the digitizing process in a similar way to normal drawing or painting. The Pressure Pen costs $720.
(GTCO Corporation, 1055 First Street, Rockvillem, MD 20850, USA. Tel: (301) 2 79-9550)
be used. Options include a remote control track ball, cursor, overlay and co]our mapper. The cursor includes a programmable 64 x 64 inner patch so that a targeting shape can be defined. The colour mapper allows for colour correction, gamma correction, and false colour. A basic framestore costs £7 000; a complete system including 4 image memories, AD and DA convertors, cursor, track ball, overlay and colour mapper costs £25 000. (Computer
Recognition Systems Limited, Unit 5, Fishponds Road, Wokingham, Barks, UK. Tel." (0734) 792922)
Colour workstation from Sigma Sigma Electronics Limited have added a colour workstation to their 5000 Series range. The $5484 has a highresolution [1536 x 1024 pixels) 20 in display, with a detachable keyboard which incorporates a joystick. A number of new features are included in the $5484, including fast vector drawing, irregular boundary area fill and firmware generation of circles, arcs and ellipses. These features will now be included on all the 5000 Series. Up to 64 user specific tasks can be programmed in. The co]ours may be chosen from a palette of 4096 different shades. In addition to the pixel memory planes, there is an independent text store for four pages of text, with a programmable screen format of up to 30 lines of 80 characters, or 40 double-width characters. The $5484 costs about £13 000.
(Sigma Electronic Systems Limited, Sigma House, North Heath Lane, Horsham, WestSussex RH 12 4UZ, UK. Tel." (0403) 50445)
Image processor Computer Recognition Systems have launched an image processing system based on their CRS 4000 series digital framestore. Standard features include zoom, scroll, pan and windowing. Full and reduced resolution images of any size and shape can be stored in any of the 512 x 512 pixel memories. Up to 16 8-bit image stores may be used. Square or 4:2 aspect ratio pixels may
$5484 colour workstation from Sigma Electronics
computer-aided design