Transmitter for operating multiple devices
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Abstract
A transmitter that is programmable to transmit one or more identification or device codes, using one or more transmission formats, at one or more transmission frequencies to control one or more respective devices. In one embodiment, the transmitter includes a controller and memory for storing transmission values and corresponding transmission frequencies, where the transmission values may include multiple device codes and transmission formats. A subset of the transmission values and corresponding transmission frequencies stored in the memory are assigned to or associated with one or more actuation switches upon matching the transmission values in a sampled signal to a set of transmission values stored in memory. In one embodiment, the transmission values may correspond to either a fixed-code transmission format or a rolling-code transmission format.
7 Citations
45 Claims
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1-20. -20. (canceled)
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21. A transmitter, comprising:
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a first switch;
a memory containing a plurality of stored transmission formats and a separate plurality of pre-selected transmission frequencies;
a receiving circuit for receiving a sample signal having a sample transmission format and a sample transmission frequency; and
a controller coupled to the first switch, the memory and the receiving circuit, said controller to, compare the sample transmission format to each of the plurality of stored transmission formats, associate the first switch with a particular transmission format of the plurality of stored transmission formats when the sample transmission format matches the particular transmission format, compare the sample transmission frequency to the plurality of pre-selected transmission frequencies, and associate the first switch with a particular transmission frequency of the plurality of pre-selected transmission frequencies when the sample transmission frequency matches the particular transmission frequency. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28)
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29. A transmitter for operating a plurality of receivers, comprising:
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a user input;
a memory containing a plurality of stored transmission formats and a separate plurality of pre-selected transmission frequencies, wherein both the plurality of stored transmission formats and plurality of pre-selected transmission frequencies include fixed values for operating both fixed-code type receivers and for rolling-code type receivers;
a receiving circuit for receiving a sample signal having a sample transmission format and a sample transmission frequency; and
a controller coupled to the user input, the memory and the receiving circuit, said controller to, compare the sample transmission format to each of the plurality of stored transmission formats, and associate the user input with a particular transmission format of the plurality of stored transmission formats when the sample transmission format matches the particular transmission format. - View Dependent Claims (30, 31, 32, 33, 34, 35, 36, 37)
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38. A method for operating a plurality of receivers, comprising:
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storing in a memory a plurality of stored transmission formats and a separate plurality of pre-selected transmission frequencies, wherein both the plurality of stored transmission formats and plurality of pre-selected transmission frequencies include fixed values for operating both fixed-code type receivers and for rolling-code type receivers;
receiving a sample signal having a sample transmission format and a sample transmission frequency;
comparing the sample transmission format to each of the plurality of stored transmission formats; and
associating the user input with a particular transmission format of the plurality of stored transmission formats when the sample transmission format matches the particular transmission format. - View Dependent Claims (39, 40, 41, 42, 43, 44, 45)
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Specification