Multiple camera synchronization system
First Claim
1. A system comprising:
- a plurality of cameras, each camera of the plurality of cameras including a respective camera communication interface configured to generate a signal for transmission via a physical single-ended communications link, the signal comprising serial data packets encoded in a forward channel; and
a receiver communicatively coupled to the plurality of cameras via the physical single-ended communications link, the receiver configured to generate a synchronization data based upon at least one of the data packets, the receiver including a plurality of receiver communication interfaces, each respective receiver communication interface configured to convert serial data packets from a corresponding camera to data in a suitable format for the receiver, each respective receiver communication interface configured to modulate the signal received from a respective camera of the plurality of cameras to encode the synchronization data in a reverse channel so that the signal comprises the forward channel data and the reverse channel data simultaneously over the same physical single-ended communications link.
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Abstract
A system for at least substantially plesiochronously operating a receiver in communication with a plurality of cameras (e.g., at least two plesiochronously operational cameras) is described. In one or more implementations, the system includes a plurality of cameras. Each camera is configured to generate a signal for transmission via a communications link, and the signal comprises data packets encoded in a forward channel. The system also includes a receiver communicatively coupled to the plurality of cameras via the single-ended communications link. The receiver is configured to generate a synchronization data based upon at least one of the data packets. The receiver is also configured to modulate the signal to encode the synchronization data in a reverse channel so that the signal comprises the forward channel data and the reverse channel data simultaneously.
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Citations
19 Claims
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1. A system comprising:
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a plurality of cameras, each camera of the plurality of cameras including a respective camera communication interface configured to generate a signal for transmission via a physical single-ended communications link, the signal comprising serial data packets encoded in a forward channel; and a receiver communicatively coupled to the plurality of cameras via the physical single-ended communications link, the receiver configured to generate a synchronization data based upon at least one of the data packets, the receiver including a plurality of receiver communication interfaces, each respective receiver communication interface configured to convert serial data packets from a corresponding camera to data in a suitable format for the receiver, each respective receiver communication interface configured to modulate the signal received from a respective camera of the plurality of cameras to encode the synchronization data in a reverse channel so that the signal comprises the forward channel data and the reverse channel data simultaneously over the same physical single-ended communications link. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An apparatus comprising:
a receiver configured to communicatively couple to a plurality of cameras via a physical single-ended communications link, respective cameras of the plurality of cameras configured to generate a signal for transmission via the physical single-ended communications link, the signal comprising serial data packets encoded in a forward channel, the receiver configured to generate synchronization data based upon at least one of the data packets encoded in the forward channel, the receiver including a plurality of receiver communication interfaces, each respective receiver communication interface configured to convert serial data packets from a corresponding camera to data in a suitable format for the receiver, each respective receiver communication interface configured to modulate the signal received from the respective cameras of the plurality of cameras to encode the synchronization data in a reverse channel so that the signal comprises the forward channel data and the reverse channel data simultaneously over the same physical single-ended communications link. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A method comprising:
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receiving video frame data and control data from a plurality of cameras, the control data corresponding to the video frame data, the video frame data and the control data transmitted in a serial format from the respective cameras via a physical single-ended communications link in a forward channel; determining synchronization data based upon the control data; causing transmission of the synchronization data to the plurality of cameras via the physical single-ended communications link in a reverse channel by modulating a signal received from the plurality of cameras to encode the synchronization data in a deserialized format in the reverse channel so that the signal comprises the forward channel data and the reverse channel data simultaneously over the same physical single-ended communications link; and receiving synchronized video frame data and control data from the plurality of cameras. - View Dependent Claims (16, 17, 18, 19)
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Specification