Switchable data and power cable
First Claim
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1. A cable for transmitting data and power comprising:
- a transmission medium configured to transmit data signals and power;
a first connector formed at a first end of the transmission medium;
a second connector formed at a second end of the transmission medium;
an alternative power connector formed on the transmission medium; and
a switch positioned on the transmission medium, the switch being switchable between at least two modes wherein in a first mode power is transmitted through the transmission medium between the first connector and the second connector, and wherein in a second mode power is transmitted through the transmission medium between the alternative power connector and the second connector.
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Abstract
A switchable cable that can selectively deliver power to a computing device either from a primary or an alternative power source is described within. The cable can also be set so that no power is delivered to the computing device through the cable. The cable can be any of a variety of cables that transmit both data and power.
166 Citations
15 Claims
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1. A cable for transmitting data and power comprising:
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a transmission medium configured to transmit data signals and power;
a first connector formed at a first end of the transmission medium;
a second connector formed at a second end of the transmission medium;
an alternative power connector formed on the transmission medium; and
a switch positioned on the transmission medium, the switch being switchable between at least two modes wherein in a first mode power is transmitted through the transmission medium between the first connector and the second connector, and wherein in a second mode power is transmitted through the transmission medium between the alternative power connector and the second connector. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
a third mode wherein in the third mode no power is transmitted to the second connector.
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3. A cable for transmitting data and power as recited in claim 1 further comprising:
an alternative power cable that connects an alternative power source to the alternative power connector.
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4. A cable for transmitting data and power as recited in claim 1 further comprising:
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a first computing device that is connected to the first connector; and
a second computing device that is connected to the second connector wherein the first computing device delivers data signals and power to the second computing device through the transmission medium.
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5. A cable for transmitting data and power as recited in claim 1 wherein the switch can be remotely controlled to change the switch between the first and second modes.
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6. A cable for transmitting data and power as recited in claim 1 further comprising:
at least one light emitting diode configured to indicate whether the switch is in the first or second mode.
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7. A cable for transmitting data and power as recited in claim 1 wherein the transmission medium is of a type selected from the group consisting of a Firewire and a USB cable.
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8. A cable for transmitting data and power as recited in claim 1 wherein the transmission medium is a bus-powered serial cable.
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9. A cable for transmitting data and power as recited in claim 1 wherein the switch further comprises a lever that extends from the switch, the lever being adjustable between at least two positions, wherein each of the lever positions corresponds to a respective are of the switch modes.
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10. A cable for transmitting data and power as recited in claim 1 wherein the switch is located between the first and second connector.
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11. A bus-powered serial cable for transmitting data and power comprising:
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a transmission medium configured to transmit data signals and power;
an A-connector formed at a first end of the transmission medium;
a B-connector formed at a second end of the transmission medium;
an alternative power connector formed on the transmission medium; and
a switch positioned on the transmission medium, the switch being switchable between at least two modes wherein in a first mode power is transmitted through the cable between the A-connector and the B-connector, and wherein in a second mode power is transmitted through the cable between the alternative power connector and the B-connector. - View Dependent Claims (12, 13, 14)
an alternative power cable that connects an alternative power source to the alternative power connector.
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13. A cable for transmitting data and power as recited in claim 11 further comprising:
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a first computing device that is connected to the A-connector; and
a second computing device that is connected to the B-connector wherein the first computing device delivers data signals and power to the second computing device through the transmission medium.
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14. A cable for transmitting data and power as recited in claim 11 wherein the second computing device is an audio file player.
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15. A cable for transmitting data and power in an Ethernet network comprising:
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a transmission medium configured to transmit data signals and power;
a first connector formed at a first end of the transmission medium;
an Ethernet node connected to the first connector;
a second connector formed at a second end of the transmission medium;
a DC powered Ethernet node connected to the second connector;
a power injector connected to the transmission medium in order to transmit power to the second connector;
an alternative power connector formed on the transmission medium;
a switch positioned on the transmission medium, the switch being switchable between at least two modes wherein in a first mode power is transmitted through the transmission medium between the power injector and the second connector, and wherein in a second mode power is transmitted through the transmission medium between the alternative power connector and the second connector.
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Specification