High performance rotary axis

Coded data generation or conversion – Digital pattern reading type converter – Plural denominationally related carriers

Reexamination Certificate

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Details

C384S906000

Reexamination Certificate

active

06765501

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The invention relates to a rotary axis. More specifically, the invention relates to a low-cost, high-performance motorized platform that minimizes play during rotation and recovers from clutching events.
2. Background
A high-performance rotary platform should typically address three kinds of problems. First, the rotational movement of the platform should be precise and minimize play. Second, the platform should be able to recover from clutching events, such as when a user attempts to forcibly rotate the platform or impede its rotation. Finally, the platform should be able to accommodate different kinds of equipment with different power, data, and signal cabling needs while being able to rotate freely. These factors have contributed to the unavailability of motorized platforms that have a low unit cost and, correspondingly, a low part count.


REFERENCES:
patent: 4246478 (1981-01-01), Nishiyama et al.
patent: 4358753 (1982-11-01), Cascini
patent: 4788422 (1988-11-01), Fujiwara
patent: 5799218 (1998-08-01), Aoki
patent: 5803041 (1998-09-01), Motakef
patent: 5941206 (1999-08-01), Smith et al.
patent: 6020875 (2000-02-01), Moore et al.
patent: 6318055 (2001-11-01), Bird
patent: 6542088 (2003-04-01), Bielski et al.

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