Changes

==History==

==History==

Polhemus was started as Polhemus Associates by [[William Polhemus]] in 1964.<ref name="b232">{{cite web | last=Carlson | first=Wayne E. | title=17.4 Interaction | publisher=The Ohio State University | date=2017-06-20 | url=https://ohiostate.pressbooks.pub/graphicshistory/chapter/1-4-interaction/ | access-date=2024-05-25}}</ref> It was founded in Michigan. Polhemus Associates researched how to track objects' position and orientation in a three-dimensional space.<ref name="b232"/>

Polhemus was started as Polhemus Associates by [[William Polhemus]] in +1964.<ref name="b232">{{cite web | last=Carlson | first=Wayne E. | title=17.4 Interaction | publisher=The Ohio State University | date=2017-06-20 | url=https://ohiostate.pressbooks.pub/graphicshistory/chapter/1-4-interaction/ | access-date=2024-05-25}}</ref> It was founded in Michigan. Polhemus Associates researched how to track objects' position and orientation in a three-dimensional space.<ref name="b232"/>

The company moved to Vermont in 1969, and began focusing on hardware. In 1970, Polhemus worked with Northrop Corporation, and then changed their name to Polhemus Navigation Sciences, and became incorporated in Vermont.<ref name="b232"/><ref name="o066">{{cite web | title=Polhemus | website=About Polhemus | url=https://web.archive.org/web/19970330140351if_/http://www.polhemus.com/aboutpol.htm | access-date=2024-05-25}}</ref><ref name="a727">{{cite web | last=Cruz-Neira | first=Carolina | last2=Sandin | first2=Dan | last3=DeFanti | first3=Tom | last4=Other | first4=Along With | title=Section 17: Virtual Reality | website=Wayback Machine | url=https://web.archive.org/web/20120213214810if_/http://excelsior.biosci.ohio-state.edu:80/~carlson/history/lesson17.html | access-date=2024-05-25}}</ref>

The company moved to Vermont in +1969, and began focusing on hardware. In 1970, Polhemus worked with Northrop Corporation, and then changed their name to Polhemus Navigation Sciences, and became incorporated in Vermont.<ref name="b232"/><ref name="o066">{{cite web | title=Polhemus | website=About Polhemus | url=https://web.archive.org/web/19970330140351if_/http://www.polhemus.com/aboutpol.htm | access-date=2024-05-25}}</ref><ref name="a727">{{cite web | last=Cruz-Neira | first=Carolina | last2=Sandin | first2=Dan | last3=DeFanti | first3=Tom | last4=Other | first4=Along With | title=Section 17: Virtual Reality | website=Wayback Machine | url=https://web.archive.org/web/20120213214810if_/http://excelsior.biosci.ohio-state.edu:80/~carlson/history/lesson17.html | access-date=2024-05-25}}</ref>

Polhemus developed magnetic tracking for tracking a pilot's helmet for use with a head-up display. Polhemus received Air Force contracts in the early 1970s.<ref name="b232"/> It faced financial difficulty by late 1973, and the company or its product rights were sold to the [[Austin Company]], which was a conglomerate based in Cleveland, Ohio.<ref name="b232"/>

Polhemus developed magnetic tracking for tracking a pilot's helmet for use with a head-up display. Polhemus received Air Force contracts in the early 1970s.<ref name="b232"/> It faced financial difficulty by late 1973, and the company or its product rights were sold to the [[Austin Company]], which was a conglomerate based in Cleveland, Ohio.<ref name="b232"/>

The company was then sold to McDonnell Douglas. It was called the Polhemus Navigation Sciences division of McDonnell Douglas.<ref>https://dl.acm.org/doi/10.1145/167962.165918</ref>

The company was then sold to McDonnell Douglas. It was called the Polhemus Navigation Sciences division of McDonnell Douglas.<ref>https://dl.acm.org/doi/10.1145/167962.165918</ref>

Two employees left in 1986 and founded [[Ascension]].<ref name="b232"/>

Two employees left in +1986 and founded [[Ascension]].<ref name="b232"/>

Polhemus was sold to [[Kaiser Aerospace and Electronics]] in 1988.<ref name="b232"/>

Polhemus was sold to [[Kaiser Aerospace and Electronics]] in +1988.<ref name="b232"/>

In 1996 and 1997, Philip G. Cooper was the President of Polhemus.<ref name="o066"/><ref name="n232">{{cite web | title=Press Release: 1996-08-05: Sega Selects Polhemus to Develop Next Generation Motion Capture System | website=Sega Retro | date=2019-07-20 | url=https://segaretro.org/Press_Release:_1996-08-05:_Sega_Selects_Polhemus_to_Develop_Next_Generation_Motion_Capture_System | access-date=2024-05-25}}</ref><ref name="i569">{{cite web | title=Polhemus Press Releases | website=polhemus.com | date=1997-05-22 | url=http://www.polhemus.com/pressrel.htm#sega96 | archive-url=https://web.archive.org/web/19970330140730/http://www.polhemus.com/pressrel.htm#sega96 | archive-date=1997-03-30 | url-status=dead | access-date=2024-05-25}}</ref>

In 1996 and 1997, Philip G. Cooper was the President of Polhemus.<ref name="o066"/><ref name="n232">{{cite web | title=Press Release: 1996-08-05: Sega Selects Polhemus to Develop Next Generation Motion Capture System | website=Sega Retro | date=2019-07-20 | url=https://segaretro.org/Press_Release:_1996-08-05:_Sega_Selects_Polhemus_to_Develop_Next_Generation_Motion_Capture_System | access-date=2024-05-25}}</ref><ref name="i569">{{cite web | title=Polhemus Press Releases | website=polhemus.com | date=1997-05-22 | url=http://www.polhemus.com/pressrel.htm#sega96 | archive-url=https://web.archive.org/web/19970330140730/http://www.polhemus.com/pressrel.htm#sega96 | archive-date=1997-03-30 | url-status=dead | access-date=2024-05-25}}</ref>