Coordinate measurement machine with configurable articulated arm bus
First Claim
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1. A system for measuring three-dimensional coordinates of an object in space, comprising:
- an portable articulated arm coordinate measuring machine (AACMM) having a manually positionable arm portion, having an opposed first end and second end;
an electronic circuit operably coupled to the AACMM;
a first data bus coupled between the electronic circuit and the second end, the first data bus configured to operate on a first communications protocol;
a second data bus coupled between the electronic circuit and the second end;
a third data bus operably coupled between the electronic circuit and the second end;
a fourth data bus operably coupled between the electronic circuit and the second end; and
wherein the electronic circuit is operable to selectively couple the second data bus, the third data bus and the fourth data bus into a single logical data bus, the single logical data bus configured to operate on a second communications protocol, the second communications protocol being different than the first communications protocol.
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Abstract
An articulated arm coordinate measurement machine is provided with a configurable arm bus. The arm bus being comprised of a plurality of busses that may be selectively coupled to form one or more logical data communications busses. The logical busses may be configured to allow accessory devices to be coupled to the arm and transmit data at higher speeds and at lower costs than may be possible using data busses having fixed communications protocols. In one embodiment, one or more communications switches may be arranged in the probe end of the arm to selectively combine the busses into a logical bus.
14 Citations
12 Claims
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1. A system for measuring three-dimensional coordinates of an object in space, comprising:
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an portable articulated arm coordinate measuring machine (AACMM) having a manually positionable arm portion, having an opposed first end and second end; an electronic circuit operably coupled to the AACMM; a first data bus coupled between the electronic circuit and the second end, the first data bus configured to operate on a first communications protocol; a second data bus coupled between the electronic circuit and the second end; a third data bus operably coupled between the electronic circuit and the second end; a fourth data bus operably coupled between the electronic circuit and the second end; and wherein the electronic circuit is operable to selectively couple the second data bus, the third data bus and the fourth data bus into a single logical data bus, the single logical data bus configured to operate on a second communications protocol, the second communications protocol being different than the first communications protocol. - View Dependent Claims (2, 3, 4, 5)
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6. A method of operating a portable articulated arm coordinate measuring machine (AACMM) for measuring three-dimensional coordinates of an object in space, comprising:
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providing the AACMM in a AACMM frame of reference having an origin, the AACMM having a manually positionable arm portion having an opposed first end and second end; providing a first data bus coupled between an electronic circuit and the second end, the electronic circuit being operably coupled to the AACMM, the first data bus configured to operate on a first communications protocol; providing a second data bus coupled between the electronic circuit and the second end; providing a third data bus coupled between the electronic circuit and the second end; providing a fourth data bus coupled between the electronic circuit and the second end; coupling an accessory device to the second end; and selectively coupling the second data bus, the third data bus and the fourth data bus into a single logical data bus, the single logical data bus configured to operate on a second communications protocol, the second communications protocol being different than the first communications protocol. - View Dependent Claims (7, 8, 9, 10, 11, 12)
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Specification