From ascen@world.std.com  Mon May 22 07:22:16 1995
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Newsgroups: sci.virtual-worlds
Path: ascen
From: ascen@world.std.com (Ascension Technology)
Subject: New VR Tracker Blasts Off
Message-Id: <D8zH8D.EBA@world.std.com>
Summary: New tracker for OEM VR games
Keywords: tracker VR electromagnetic
Organization: The World Public Access UNIX, Brookline, MA
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Date: Mon, 22 May 1995 14:21:49 GMT
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Apparently-To: uunet!sci-virtual-worlds@uunet.uu.net
Status: OR


NEWS RELEASE
NEW VR TRACKER BLASTS OFF

                              ASCENSION LAUNCHES
				** SpacePad **	


South Burlington, VT (USA), -- A new, low-cost magnetic tracker, SpacePad,
is now available from Ascension for VR game developers and designers of
interactive experiences. 

SpacePad instantaneously determines both the position and orientation of
one or more lightweight receivers attached to a person interlinked to a
virtual world. Its outputs furnish the motion cues needed to interact in
real time with your virtual world. 

SpacePad smashes the existing tracker price barrier.  You can now buy a
four-receiver tracker for one-third the price of competitive tracking
products. 

SpacePad gets its name from the design of its unique magnetic-field
transmitting antenna.  The antenna is completely flat, consisting of a
loop of wire locatable in a pad near the user.  Antenna size and placement
are user- adjustable. SpacePad lets you create virtual environments
ranging in size from a few cubic feet to thousands of cubic feet. 

SpacePad is perfectly suited for VR games in location-based entertainment
and arcade settings.  It lets you, for instance, bury transmitter loops
horizontally in the base of a game pod, configure loops vertically between
adjacent pods, embed loops in a sit-down module, or even string loops on a
wall to create a virtual room. 

SpacePad consists of a single electronics card and up to four receivers. 
Since the transmitter is just a piece of wire, you provide it yourself. 
The electronics card is compatible with PCs and all other computers with
an ISA-bus slot.  Additional SpacePads may be used in close proximity to
one another without interference. 

"SpacePad lets developers focus on improving the VR experience by
minimizing the cost and complexity of the tracker," said Ascension's Jack
Scully.  "We are pleased to introduce a new-generation of tracking
products that overcomes two critical limitations of robust tracking
devices: high cost and limited range," said Scully. 

SpacePad makes 120 measurements per second in its single-receiver mode. 
Lag is approximately 8 milliseconds.  Range is configuration dependent:
the larger the antenna coils ( up to 16' X 16' ); the greater the tracking
volume. 

OEM pricing for SpacePad starts at $995 for a single-receiver model with
aggressive discounts available for OEMs purchasing product in quantity. 
Evaluation units are available now. 

Ascension Technology Corporation, headquartered in South Burlington,
Vermont, is one of the premiere designers and manufacturers of
multi-degrees-of-freedom tracking devices in the world today. Its Bird
tracking products have been available since 1990. 
                                       
                                     Contact: Jack Scully
                                     (802) 860-6440
                                     Internet:  ascension@world.std.com

From ascen@world.std.com  Wed Jun 14 06:52:09 1995
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Newsgroups: sci.virtual-worlds
Path: ascen
From: ascen@world.std.com (Ascension Technology)
Subject: Ascension SpacePad details
Message-Id: <DA615q.HKI@world.std.com>
Summary: 6DOF motion tracking price VR
Keywords: 6DOF motion tracking VR virtual reality
Organization: The World Public Access UNIX, Brookline, MA
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Date: Wed, 14 Jun 1995 13:51:25 GMT
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Status: OR


Ascension Press Release
June 14, 1995

Subject:  Ascension Launches Revolutionary New Tracker for Virtual Reality
          Games/Experiences

FOR IMMEDIATE RELEASE

South Burlington, VT., June 15, 1995 -- Ascension announces the
availability of its new, low cost magnetic tracker, SpacePadTM, for
virtual-reality game developers and designers of interactive experiences. 

First shown at VR World '95, where it provided head and hand tracking for
Straylight's new VR game (3D*XTC), SpacePad is rapidly becoming the
tracker of choice in virtual-reality entertainment venues. 

SpacePad instantaneously measures the position and orientation of one of
more lightweight receivers attached to a person experiencing virtual
reality. It outputs furnish the motion cues vital to interacting in real
time with a virtual world.  Because its signals are not attenuated by body
parts, SpacePad is not restricted by blocking or occlusion problems. No
matter which way a player turns, his every motion is captured and
instantly relayed to its host computer. 

SpacePad smashes the existing magnetic tracker price barrier!  For OEMs
purchasing SpacePads in quantity, a single-receiver board set costs less
than $999 with aggressive discounting as volume increases. 

"SpacePad lets developers focus on improving the VR game experience by
minimizing the cost and complexity of the tracker," says Ascension's vice
president, Jack Scully.  "We are pleased, "he notes, "to launch a new
generation of trackers that overcomes two limitations of vigorous tracking
devices: high cost and limited range." 

SpacePad takes its name from the design of its unique magnetic-field
transmitting antenna. The antenna is completely flat. It consists of a few
loops of wire locatable in a pad near the player. Antenna size and
placement are user adjustable. SpacePad lets developers create virtual
environments ranging in size from a few cubic feet to thousands of cubic
feet. 

Product integrators are finding SpacePad ideally suited for VR games in
location-based entertainment and arcade settings. Since the transmitter is
just strands of wire, it can be purchased for pennies from a wire
manufacturer and laid out to fit the size and shape of most VR modules.
The Straylight game, for instance, unobtrusively buries the transmitter
loops in the base of its game pod.  Other layouts include vertical
placement between pods, stringing loops on a wall to create a virtual
room, and even embedding loops in the superstructure of a VR roller
coaster. 

SpacePad consists of a single electronics card and up to four receivers.
The electronics card is compatible with PCs and all other computers with
an ISA-bus slot. Additional SpecePads may be run in close proximity to one
another without interference. 

SpacePad makes 120 measurements per second in its single-receiver mode.
Lag is less than 8 milliseconds. Range is configuration dependent: the
larger the antenna loops (up to 16' X 16'); the greater the tracking
volume. 

Ascension Technology Corporation, headquartered in South Burlington,
Vermont (USA), is one of the premiere designers and manufacturers of
multi-degrees-of-freedom tracking devices in the world today. Its Bird
products have been available since 1990. Its long-range Flock of Birds has
become an entertainment-industry standard for capturing human motions in
the field of character animation. 


For more information, contact:

     Jack Scully, Ascension, POB 527, Burlington, VT  05403
     Tel: 802-860-6440; FAX: 802-860-6439
     email: ascension@world.std.com (include POSTAL address please)

-- 

