Park assist object distance measurement clock control
First Claim
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1. A method comprising:
- sending a first transmission signal during a first burst period from a rear park aid;
listening for a first reflection signal during a first listen period;
sending a second transmission signal from a front park aid after the first listen period;
listening for a second reflection signal during a second listen period; and
performing park aid computations based on the first and second reflection signals at the same time.
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Abstract
A method of determining an object distance from a vehicle includes sending a first transmission signal during a first burst period from a first transmitter, listening for a first reflection signal during a first listen period in a receiver, and sending a second transmission signal during a second burst period from a second transmitter. The second transmission signal is sent based on a time when the first transmission signal is sent.
19 Citations
20 Claims
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1. A method comprising:
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sending a first transmission signal during a first burst period from a rear park aid; listening for a first reflection signal during a first listen period; sending a second transmission signal from a front park aid after the first listen period; listening for a second reflection signal during a second listen period; and performing park aid computations based on the first and second reflection signals at the same time. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A non-transitory computer-readable medium tangibly embodying computer-executable instructions comprising steps to:
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send a park assist burst during a first time window; listen for a park assist reflected signal during the first time window; send a rear park aid burst during a second time window; listen for a rear park aid reflected signal during the second time window; send a front park aid burst during a third time window; listen for a front park aid reflected signal during the third time window; and performing park assist computations based on the park assist reflected signal during the second time window. - View Dependent Claims (10, 11, 12, 13)
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14. A host vehicle comprising:
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a first transceiver positioned proximate a rear bumper; a second transceiver positioned proximate a front bumper; and a computer programmed to in response to actuation of a brake pedal while the host vehicle is proximate an identified parking space, send a first burst signal during a first burst period from the first transceiver, listen for a first reflected signal during a first listen period, send a second burst signal from the second transceiver during a second burst period, listen for a second reflection signal during a second listen period, and perform computations based on the first and second reflection signals. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification