IP Library Granted Patent US 11,030,877
Granted Patent B2
US 11,030,877 · App. 17/072,892 · Granted Jun 8, 2021

Vaporized aerosol detection network

Inventors: Loucinda C. Bistany (Methuen, MA); William D. Hargett (Chelmsford, MA); Stephen S. Milt (Winchester, MA)
Assignee: Zeptive, Inc.
G08B21/182G01N15/10G08B21/12G01N2015/1062
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Quick Facts
Patent No.
US 11,030,877
App. No.
17/072,892
Granted
Jun 8, 2021
Kind
B2
Abstract

A vaporized aerosol, particle, and gas detection network includes an entry unit that includes a trigger sensor configured to detect a triggering event in an environment. Further the trigger sensor generates a detection signal in response to the detected triggering event in the environment. The entry unit also includes an entry unit housing configured to enclose at least a portion of the trigger sensor. The network additionally includes a detection unit communicatively connected to the entry unit that includes a particle sensor configured to detect a particle count of the environment in response to the generation of the detection signal. The detection unit also has a detection unit housing configured to enclose at least a portion of the particle sensor.

Claims (42)

1. A vaporized aerosol, particle, and gas detection network, the network comprising:

an entry unit disposed at a first location of an environment, the entry unit comprising:

a trigger sensor configured to detect a triggering event in the first location of the environment and generate a detection signal in response to the detected triggering event in the first location of the environment; and

an entry unit housing configured to enclose at least a portion of the trigger sensor;

a detection unit disposed at a second location of the environment and communicatively connected to the entry unit, the detection unit comprising:

a particle sensor configured to detect a particle count proximate to the second location of the environment in response to the generation of the detection signal; and

a detection unit housing configured to enclose at least a portion of the particle sensor; and

a camera communicatively connected to the entry unit and the detection unit.

2. The system of claim 1 , wherein: the entry unit has a polling mode; and the entry unit is configured to periodically power on, check for the triggering event, and power off.

3. The system of claim 2 , wherein:

the entry unit has a scanning mode, in which the entry unit is configured to communicate with the detection unit; and

the entry unit is configured to enter the scanning mode when the trigger sensor detects the triggering event.

4. The network of claim 1 , wherein the detection unit is configured to detect a detection event as a function of the particle count.

5. The system of claim 4 , wherein the detection unit is further configured to detect the detection event as a function of comparing the particle count to a predetermined threshold.

6. The network of claim 1 , wherein:

the detection unit has a low-power mode; and

the detection unit is configured to periodically power on, check for communication from the entry unit, and power off when in the low-power mode.

7. The system of claim 6 , wherein:

the detection unit has a detection mode, in which the detection unit is configured to detect the particle count using the particle sensor; and

the detection unit is configured to enter the detection mode upon receiving a communication from the entry unit.

8. The network of claim 1 , further comprising a communication hub communicatively connected to the entry unit and the detection unit, wherein the communication hub is communicatively connected to at least a server.

9. The network of claim 8 , wherein a hub is configured to detect a detection event as a function of the particle count.

10. The system of claim 9 , wherein the communication hub is further configured to detect the detection event as a function of comparing the particle count to a predetermined threshold.

11. The network of claim 8 , wherein the at least a server is configured to detect a detection event as a function of the particle count.

12. The system of claim 11 , wherein the at least a server is further configured to detect the detection event as a function of comparing the particle count to a predetermined threshold.

13. The system of claim 8 , wherein the communication hub is at least one of the entry unit and the detector unit.

14. The system of claim 8 , further comprising a repeater node, wherein the repeater node is configured to:

receive a signal from at least one of the entry unit and the detection unit; and

transmit the signal to the communication hub.

15. The network of claim 1 , wherein at least one of the entry unit housing and the detection unit housing comprises a tampering sensor configured to detect a tampering event and generate a tamper alarm in response to the tampering event.

16. The network of claim 1 , wherein at least one selected from the entry unit housing and the detection unit housing includes venting openings.

17. The system of claim 1 , wherein the detection unit housing is configured to be disposed inline in an air circulation system.

18. The system of claim 1 further comprising an alarm configured to produce an alert in response to the detected particle count.

19. The system of claim 1 , further comprising a temperature sensor configured to detect a temperature of the environment in response to the generation of the detection signal.

20. A vaporized aerosol, particle, and gas detection network, the network comprising:

an entry unit disposed at a first location of an environment, the entry unit comprising:

a trigger sensor configured to detect a triggering event in the first location of the environment and generate a detection signal in response to the detected triggering event in the first location of the environment; and

an entry unit housing configured to enclose at least a portion of the trigger sensor;

a detection unit disposed at a second location of the environment and communicatively connected to the entry unit, the detection unit comprising:

a particle sensor configured to detect a particle count proximate to the second location of the environment in response to the generation of the detection signal; and

a detection unit housing configured to enclose at least a portion of the particle sensor; and

a temperature sensor configured to detect a temperature of the environment in response to the generation of the detection signal.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 27, 2021
From: BISTANY, LOUCINDA C.; HARGETT, WILLIAM D.; MILT, STEPHEN S.
To: ZEPTIVE, INC.
Reel/Frame 055042/0829 →
Continuity (2)
Provisional Application 62929893 · Nov 3, 2019
Related Publication 20210134138A1 · May 6, 2021
Cited By (2)
US 12,638,432 US 12,656,011