SAW SUCH AS A MITER SAW WITH DIGITAL READOUT AND RELATED MEASUREMENT DEVICES
First Claim
1. A saw comprising:
- a base;
a table configured to be movable with respect to the base, wherein the base is stationary and the table is rotatable between a first position and at least one angular position removed from the first position;
a motor coupled to the base and configured to rotate a blade, wherein the blade is movable between a first, substantially vertical position and at least one angular position removed from the first position;
a first sensor having an optical encoder disc, wherein the first sensor is configured to generate and transmit a first signal indicative of the angular position of the table with respect to the base or the angular position of the blade with respect to the first, substantially vertical position by monitoring one or more optical reference elements included on the optical encoder disc;
a controller configured to receive the first signal from the first sensor, to process the first signal from the first sensor, and to generate and transmit a conditioned signal based at least partially on the received signal; and
a display element configured to receive the conditioned signal from the controller and to display the angular position of the table with respect to the base or the angular position of the blade with respect to the first, substantially vertical position.
1 Assignment
0 Petitions
Accused Products
Abstract
A saw. In one embodiment, the saw includes a base, a table, a motor that rotates a blade, a sensor, a controller, and a display element. The table is movable with respect to the base. The blade is movable between a first, substantially vertical position and at least one angular position removed from the first position. The sensor includes an optical encoder disc, and generates and transmits a signal indicative of the angular position of the table with respect to the base or the angular position of the blade with respect to the first, substantially vertical position by monitoring one or more optical reference elements included on the optical encoder disc. The display element receives the conditioned signal from the controller and displays the angular position of the table with respect to the base or the angular position of the blade with respect to the first, substantially vertical position.
62 Citations
20 Claims
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1. A saw comprising:
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a base;
a table configured to be movable with respect to the base, wherein the base is stationary and the table is rotatable between a first position and at least one angular position removed from the first position;
a motor coupled to the base and configured to rotate a blade, wherein the blade is movable between a first, substantially vertical position and at least one angular position removed from the first position;
a first sensor having an optical encoder disc, wherein the first sensor is configured to generate and transmit a first signal indicative of the angular position of the table with respect to the base or the angular position of the blade with respect to the first, substantially vertical position by monitoring one or more optical reference elements included on the optical encoder disc;
a controller configured to receive the first signal from the first sensor, to process the first signal from the first sensor, and to generate and transmit a conditioned signal based at least partially on the received signal; and
a display element configured to receive the conditioned signal from the controller and to display the angular position of the table with respect to the base or the angular position of the blade with respect to the first, substantially vertical position. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A saw comprising:
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a base;
a table configured to be movable with respect to the base, wherein the base is stationary and the table is rotatable between a first position and at least one angular position removed from the first position;
a motor coupled to the base and configured to rotate a blade, wherein the blade is movable between a first, substantially vertical position and at least one angular position removed from the first position;
a first sensor configured to transmit a first signal indicative of the angular position of the table with respect to the base or the angular position of the blade with respect to the first, substantially vertical position, wherein the first sensor is operable to be recalibrated;
a controller configured to receive the first signal from the sensor, to process the signal from the first sensor, to determine a need to recalibrate the first sensor, and to generate a conditioned signal based at least partially on the determination; and
an output element configured to receive the conditioned signal from the controller and to provide an indication to a user of the need to recalibrate the first sensor. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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18. A saw comprising:
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a base;
a table configured to be movable with respect to the base, wherein the base is stationary and the table is rotatable between a first position and at least one angular position removed from the first position;
a motor coupled to the base and configured to rotate a blade, wherein the blade is movable between a first, substantially vertical position and at least one angular position removed from the first position;
a digital sensor configured to generate and transmit a first signal indicative of the angular position of the table with respect to the base or the angular position of the blade with respect to the first, substantially vertical position, wherein the first signal is generated by determining an angular distance by which the table or the blade is moved from one or more known reference points;
an analog second sensor configured to generate and transmit a second signal indicative of the angular position of the table with respect to the base or the angular position of the blade with respect to the first, substantially vertical position, wherein the second signal varies according to the angular position of the table or the blade;
a controller configured to receive and process the first signal and the second signal, and to generate and transmit a conditioned signal based at least partially on the first signal and the second signal; and
a display element configured to receive the conditioned signal from the controller and to display the angular position of the table with respect to the base or the angular position of the blade with respect to the first, substantially vertical position. - View Dependent Claims (19, 20)
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Specification