Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2006-11-30
2009-08-18
Trinh, Sonny (Department: 2618)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S575100, C455S550100
Reexamination Certificate
active
07577467
ABSTRACT:
A drive mechanism (101) for a portable electronic device (102), such as a mobile telephone or personal digital assistant, includes at least one wheel (113) engaging at least one track (103). In one embodiment, two tracks (103,104) are coupled to a first housing (105), while a pair of wheels (113,114) are coupled to a shaft (106) which is coupled to a second housing (107) by way of a shaft retaining member (111). The wheels (113,114), which may include wheel teeth (224,225) disposed about the perimeter (226,227) of the wheels that engage track teeth (112), pass along the tracks (103,104) to cause the first housing (105) to slide open or closed relative to the second housing (107). A preloaded tensioning device (108), which in one embodiment comprises to oppositely wound coiled springs disposed concentrically about the shaft (106) bias the first housing (105) and the second housing (107) towards an open position.
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http://www.oqo.com/hardware/specs/.
Godston Jon
Oliver Mark
Schechtel Kevin
Burrus, IV Phillip H.
Chapa Lawrence J.
Motorola Inc.
Trinh Sonny
LandOfFree
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