IP Library Granted Patent US 11,384,565
Granted Patent B2
US 11,384,565 · App. 17/063,301 · Granted Jul 12, 2022

System and method for monitoring an access key from a key box

Inventors: Adam Kuenzi (Silverton, OR); Pirammanayagam Nallaperumal (Telangana, IN); Neeraja Kanteti (Telangana, IN)
Assignee: CARRIER CORPORATION
E05B47/00E05B19/0005G07C9/00571G07C9/00896G07C9/27E05B2047/0067E05B2047/0095E05B2047/0096G07C2009/00936
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Quick Facts
Patent No.
US 11,384,565
App. No.
17/063,301
Granted
Jul 12, 2022
Kind
B2
Abstract

Disclosed is a system for monitoring a location of a key relative to a keybox, configured to perform: (i) providing access to the key by: communicating over a personal area network with a first mobile-device for the first user as the first user approaches the keybox in an attempt to obtain the key, obtaining first credentials from the first mobile-device, determining whether the first credentials are valid or invalid, when the first credentials are valid: putting the keybox in an unlocked configuration, (ii) tracking a location of the key by: communicating over the personal area network with: the key and/or mobile-device to determine whether the key is being returned to the keybox, wherein upon a determination by the keybox or the mobile-device that the key is not being returned, an alert is provided by the mobile-device to the first user.

Claims (70)

1. A method of determining a location of one of a key and a key box operationally coupled to each other, the method comprising:

the key, via a processor, and the key box, via a key box controller, periodically transmitting advertisements over a personal area network, wherein the key box advertisement is indicative of whether the key is in the key box,

a mobile-device receiving a request to locate the one of the key and the key box from a user via an app installed on the mobile-device;

the mobile-device communicating mobile-device location request data, including a request for the location of the one of the key and the key box, over a wireless network with a central server;

the central server:

transmitting central server location request data over the wireless network to other mobile-devices operationally associated with the central server;

receiving from one of the other mobile-devices, data indicative that the one of the key and the key box is found and a position of the one of the key and the key box; and

transmitting, to the mobile-device, positioning data, identifying the location of the one of the key and the key box;

the mobile-device receiving from the central server, the positioning data, identifying the location of the one of the key and the key box.

2. The method of claim 1 , including:

the mobile-device displaying, on its screen, positioning information defining a last known position of the one of the key and the key box.

3. The method of claim 1 ,

wherein the central server location request data includes a request for location information and identifying information of a plurality of the one of the keys and the key boxes respectively found by the other mobile devices, whereby the central server discriminates between received messages to locate the one of the key and the key box.

4. The method of claim 3 , including

the central server:

monitoring for a response for a predetermined period of time;

receiving location reply data, including the positioning data, for the one of the key and the key box from one of the other mobile-devices, within the predetermined period of time; and

transmitting central server reply data, including the positioning data, to the mobile-device.

5. The method of claim 4 , wherein:

the central server reply data includes a map link to find the one of the key and the key box; or

the mobile device displays a map that includes the location of the one of the key and the key box based on the data returned from the central server.

6. The method of claim 1 , wherein the mobile device performs steps comprising:

a first step of monitoring over the personal area network for the advertisements,

a second step of receiving over the personal area network the periodic advertisements,

a third step of determining whether the periodic advertisements are indicative of the key being within the key box or removed from the key box;

wherein

when the periodic advertisements are indicative of the key being within the key box, the mobile device returns to the first step, and

when the periodic advertisements are indicative of the key being removed the key box, the mobile device performs further steps comprising:

one of a fourth step and a fifth step, wherein:

the fourth step includes monitoring elapsed time against a predetermined time period and the mobile device provides an alert when the elapsed time becomes greater than the predetermined time period;

the fifth step includes monitoring a distance from the key or key box against a predetermined distance and the mobile device provides the alert when the distance becomes greater than the predetermined distance; and

a sixth step of continuing to monitor for transmitted periodic advertisements over the personal area network from the key or key box and determining whether the periodic advertisements are indicative of the key being within the key box or removed from the key box,

wherein when the periodic advertisements are indicative of the key being within the key box, the mobile device discontinues monitoring and to return to the first step.

7. A system for determining a location of a key, comprising

a mobile-device in communication with a central server over a wireless network

a key and a key box operationally coupled to each other, wherein

the key, via a processor, and the key box, via a key box controller, are configured to periodically transmit advertisements over a personal area network, wherein the key box advertisement is indicative of whether the key is in the key box;

the mobile device is configured to:

receive a request to locate the one of the key and the key box from a user via an app installed on the mobile-device;

communicate mobile-device location request data, including a request for the location of the one of the key and the key box, over the wireless network with the central server; and

the central server is configured to:

transmit central server location request data over the wireless network to other mobile-devices operationally associated with the central server;

receive from one of the other mobile-devices, data indicative that the one of the key and the key box is found and a position of the one of the key and the key box; and

transmit, to the mobile-device, positioning data, identifying the location of the one of the key and the key box; and

the mobile device is further configured to:

receive from the central server, positioning data, identifying the location of the one of the key and the key box.

8. The system of claim 7 , wherein:

the mobile-device is configured to display, on its screen, positioning information defining a last known position of the one of the key and the keybox.

9. The system of claim 7 ,

wherein the central server location request data includes a request for location information and identifying information of a plurality of the one of the key and the key box respectively found by the other mobile devices, whereby the central server discriminates between received messages to locate the one of the key and the key box.

10. The system of claim 9 , wherein

the central server is configured to:

monitor for a response for a predetermined period of time;

receive location reply data, including the positioning data, for the one of the key and the key box, from one of the other mobile-devices, within the predetermined period of time; and

transmit central server reply data, including the positioning data, to the mobile-device.

11. The system of claim 10 , wherein:

the central server reply data includes a map link to find the one of the key and the key box; or

the mobile device displays a map that includes the location of the one of the key and the key box based on the data returned from the central server.

12. The system of claim 7 , wherein the mobile device is configured to perform steps comprising:

a first step of monitoring over the personal area network for the advertisements,

a second step of receiving over the personal area network the periodic advertisements,

a third step of determining whether the periodic advertisements are indicative of the key being within the key box or removed from the key box;

wherein

when the periodic advertisements are indicative of the key being within the key box, the mobile device is configured to return to the first step, and

when the periodic advertisements are indicative of the key being removed the key box, the mobile device is configured to perform further steps comprising:

one of a fourth step and a fifth step, wherein:

the fourth step includes monitoring elapsed time against a predetermined time period and the mobile device is configured to provide an alert when the elapsed time becomes greater than the predetermined time period;

the fifth step includes monitoring a distance from the key or key box against a predetermined distance and the mobile device is configured to provide the alert when the distance becomes greater than the predetermined distance; and

a sixth step of continuing to monitor for transmitted periodic advertisements over the personal area network from the key or key box and determining whether the periodic advertisements are indicative of the key being within the key box or removed from the key box,

wherein when the periodic advertisements are indicative of the key being within the key box, the mobile device is configured to discontinue monitoring and to return to the first step.

Assignments (4)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 11, 2024
From: CARRIER CORPORATION
To: HONEYWELL INTERNATIONAL INC.
Reel/Frame 069175/0204 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 27, 2021
From: KUENZI, ADAM
To: CARRIER CORPORATION
Reel/Frame 055046/0752 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 27, 2021
From: NALLAPERUMAL, PIRAMMANAYAGAM; KANTETI, NEERAJA
To: UTC FIRE & SECURITY INDIA LTD.
Reel/Frame 055046/0769 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 27, 2021
From: UTC FIRE & SECURITY INDIA LTD.
To: CARRIER CORPORATION
Reel/Frame 055046/0776 →