Wireless spread-spectrum telesensor chip with synchronous digital architecture
First Claim
Patent Images
1. A telemetry apparatus comprising:
- a monolithic substrate;
data acquisition means carried on said substrate for acquiring data;
a transmitter carried on said substrate and in operable connection with said data acquisition means;
controller means carried on said substrate and in operable connection with said transmitter for selectively enabling said transmitting at selected times; and
a clock generator carried on said substrate operably connected to said data acquisition means and said tramitter and said controller means.
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Abstract
A fully integrated wireless spread-spectrum sensor incorporating all elements of an “intelligent” sensor on a single circuit chip is capable of telemetering data to a receiver. Synchronous control of all elements of the chip provides low-cost, low-noise, and highly robust data transmission, in turn enabling the use of low-cost monolithic receivers.
57 Citations
56 Claims
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1. A telemetry apparatus comprising:
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a monolithic substrate;
data acquisition means carried on said substrate for acquiring data;
a transmitter carried on said substrate and in operable connection with said data acquisition means;
controller means carried on said substrate and in operable connection with said transmitter for selectively enabling said transmitting at selected times; and
a clock generator carried on said substrate operably connected to said data acquisition means and said tramitter and said controller means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A telemetry apparatus comprising:
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a monolithic substrate;
data acquisition means carried on said substrate for acquiring data;
a transmitter carried on said substrate and in operable connection with said data acquisition means;
controller means carried on said substrate and in operable connection with said transmitter for selectively enabling said transmitter and said data acquisition means at selected times; and
a clock generator carried on said substrate operably connected to said data acquisition means and said transmitter, wherein said clock generator is operably connected to a single oscillation source. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24)
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25. A telemetry apparatus comprising:
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a monolithic substrate;
data acquisition means carried on said substrate for acquiring data;
a transmitter carried on said substrate and in operable connection with said data acquisition means;
controller means carried on said substrate and in operable connection with said transmitter for selectively enabling said transmitter at selected times;
receiver means carried on said substrate and in operable connection with said controller means for receiving signals;
a clock generator means carried on said substrate operably connected to said data acquisition means, said transmitter, said receiver means and said controller means. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47)
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48. A method for synchronous telemetry comprising:
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a clock generator feeding a signal simultaneously to a controller means;
a frequency synthesizer; and
a spread data generator said controller means activating in order at least one sensor at least one multiplexer means at least one analog to digital converter, at least one frequency synthesizer, and at least one radio frequency transmitter wherein each of said sensor, multiplexer, analog to digital converter, said frequency synthesizer and said transmitter are activated in sequence so as to utilize only so much power as is required to process and transmit information from said at least one sensor to a receiver. - View Dependent Claims (49, 50)
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51. A method to regulate power drain in synchronous telemetry apparatus having components comprising:
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at least one sensor;
at least one multiplexer means;
at least one analog to digital converter;
at least one synthesizer and at least one radio frequency transmitter;
said means comprising a controller means which activates each component in a programmed order and deactivates each component in a programmed order whereby power is provided only to components needed to perform a specific function.
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52. A method for synchronous telemetry comprising:
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a clock generator feeding a signal simultaneously to a controller means;
a frequency synthesizer; and
a spread data generator said controller means activating in order at least one sensor at least one multiplexer means at least one analog to digital converter, at least one frequency synthesizer and at least one radio frequency transmitter wherein each of said sensor, multiplexer, analog to digital converter, said frequency synthesizer and said transmitter are activated in sequence so as to minimize the potential for interference from said radio frequency transmitter to other said stages while processing and transmitting information from said at least one sensor to a receiver. - View Dependent Claims (53, 54)
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55. A method to minimize radio frequency self-interference in synchronous telemetry apparatus having components comprising:
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at least one sensor;
at least one multiplexer means;
at least one analog to digital converter;
at least one synthesizer and at least one radio frequency transmitter means;
said means comprising a controller means which activates each component in a programmed order and deactivates each component in a programmed order whereby power is provided only to components needed to perform a specific function and whereby radio frequency interference from said transmitter means to order components is minimized.
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56. A method to minimize radio frequency self-interference in synchronous telemetry apparatus having components comprising:
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at least one sensor;
at least one multiplexer means;
at least one analog to digital converter;
at least one synthesizer and at least radio frequency transmitter means;
said means comprising a controller means which activates each component in a programmed order and deactivates each component in a programmed order whereby power is provided only to components needed to perform a specific function and there is no overlap in active operation between said radio frequency transmitter means and any other operation on the apparatus.
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Specification