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US 8,077,076 B2Granted
FMCW radar sensor
AssigneeRobert Bosch GmbH
InventorsThomas Walter, Herbert Olbrich, Dirk Steinbuch
Life of this patent
Estimating the term…
Abstract
An FMCW radar sensor having a plurality of antenna elements and a supply circuit for supplying transmission signals having ramp-shaped modulated frequencies to the antenna elements, including a switchover device for switching over the supply circuit between a near-field mode, in which the transmission signals supplied to the individual antenna elements have a certain frequency offset, and a far-field mode, in which the frequencies of the transmission signals are identical.
Claims10
An FMCW radar sensor, comprising:
- a plurality of transmitter antenna elements;
- a supply circuit adapted to supply transmission signals having ramp-shaped modulated frequencies to the transmitter antenna elements;
- and
- a switchover device adapted to switch over the supply circuit between a near-field mode, in which the transmission signals supplied to the individual transmitter antenna elements have a certain frequency offset, and a far-field mode, in which the frequencies of the transmission signals are identical.
1 more element
Dependencies are inferred from the claim text.