Title:
ACTIVE REFLECTED WAVE MONITORING
Document Type and Number:
WIPO Patent Application WO/2021/137227
Kind Code:
A3
Abstract:
Embodiments relate to a device (102) and method for determining a status of an environment (100) and/or a status or condition of a person (106) therein. The method may comprise: receiving (S402) an output of a sensor (204) to monitor said environment; commencing (S406) a time window after the sensor detects (S404) activity in the environment; upon expiry of the time window (S410), activating (S412) an active reflected wave detector (206) to measure wave reflections from the environment, the detector consuming more power in an activated state than the sensor in an activated state; and determining (S414) a status of the environment and/or of a person therein based on an output of the active detector indicative of one or more of the measured reflections. The method comprises delaying expiry of the time window in response to the sensor detecting activity in the environment during the time window.
Inventors:
HEVDELI ILAN (IL)
AMIR OHAD (IL)
SCHNAPP JONATHAN MARK (IL)
AMIR OHAD (IL)
SCHNAPP JONATHAN MARK (IL)
Application Number:
PCT/IL2020/051353
Publication Date:
September 02, 2021
Filing Date:
December 30, 2020
Export Citation:
Assignee:
ESSENCE SMARTCARE LTD (IL)
International Classes:
G08B21/04; G01S7/41; G01S13/56; G01S13/86; G01S13/88; G08B13/24
Domestic Patent References:
| WO2016155789A1 | 2016-10-06 | |||
| WO2019231861A1 | 2019-12-05 |
Foreign References:
| EP0367402A1 | 1990-05-09 |
Attorney, Agent or Firm:
EHRLICH, Gal et al. (IL)
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