公开(公告)号：US20240168068A1

公开(公告)日：2024-05-23

申请号：US18426790

申请日：2024-01-30

Applicant: Google LLC

Inventor： Daniel Adam Warren ,  Michael Mitchell ,  Gwendolyn van der Linden ,  Ford Rylander ,  Brian Silverstein ,  Arun Raghupathy

IPC: G01R22/06 ,  G01R22/10 ,  G05D23/19

CPC classification number: G01R22/065 ,  G01R22/10 ,  G05D23/1917

Abstract: A smart-home device may include a main power rail that provides power to components of the smart-home device; an integrator coupled to the main power rail that stores energy on an energy-storage device, where the energy stored on the energy-storage device is representative of an amount an amount of power provided to the smart-home device through the main power rail during an integration cycle of the integrator; and a counter that stores a number of integration cycles performed by the integrator during a time interval, where a total amount of power provided to the smart-home device through the main power rail during the time interval is represented by: (1) the number of integration cycles performed by the integrator during the time interval; and (2) the energy stored on the energy-storage device.

公开(公告)号：US11855712B2

公开(公告)日：2023-12-26

申请号：US17883341

申请日：2022-08-08

Applicant: Google LLC

Inventor： Daniel Adam Warren ,  Michael Mitchell ,  Nathan Lentz

IPC: H04B3/54 ,  H02M7/217 ,  H03K5/00

CPC classification number: H04B3/542 ,  H02M7/217 ,  H03K5/00 ,  H03K2005/00013

Abstract: A method of powering a controller using an intermediate device with power from an environmental system may include receiving current from a power wire from the environmental system; passing the current from the power wire to a second command wire from the controller; monitoring the current flowing between the power wire and the second command wire while the current is below a threshold indicative of an amount of current used to power the controller from the environmental system; detecting when the current flowing between the power wire and the second command wire exceeds the threshold indicating that the controller is sending a command to the environmental system to perform the function; and sending a command to environmental system using a first command wire from the environmental system after detecting that the current exceeds the threshold.

公开(公告)号：US11802713B2

公开(公告)日：2023-10-31

申请号：US17581081

申请日：2022-01-21

Applicant: Google LLC

Inventor： Daniel Adam Warren ,  Eric Marschalkowski ,  William Alan Saperstein

IPC: F24F11/88 ,  F24F11/30 ,  H02J50/00 ,  H02M7/06 ,  F24F110/10 ,  H02J50/10

CPC classification number: F24F11/88 ,  F24F11/30 ,  H02J50/001 ,  F24F2110/10 ,  H02J50/10 ,  H02M7/06

Abstract: A device may include a rectifier circuit providing a rectified DC signal, a rechargeable energy-storage element, and a power-management integrated circuit (PMIC). The PMIC may include a charging circuit for the rechargeable energy-storage element; a current-sensing circuit that measures a current provided by the rectified DC signal; a programmable current limit; a voltage-sensing circuit that measures a voltage on the rechargeable energy-storage element; and a controller that regulates the current provided to a DC output of the PMIC. the DC output of the PMIC may be regulated based at least in part on the current provided by the rectified DC signal; the programmable current limit; and the voltage on the rechargeable energy-storage element. The DC output of the PMIC may provide energy to a plurality of other energy-consuming subsystems on the device and to the charging circuit for the rechargeable energy-storage element.

公开(公告)号：US11664679B2

公开(公告)日：2023-05-30

申请号：US17241020

申请日：2021-04-26

Applicant: Google LLC

Inventor： Daniel Adam Warren ,  Eric Marschalkowski ,  Nathan Lentz ,  Timothy Lai

IPC: H02J13/00 ,  H02J1/06 ,  G05F1/614 ,  H02J3/14

CPC classification number: H02J13/00016 ,  H02J1/06 ,  H02J3/14 ,  H02J13/00004 ,  G05F1/614 ,  H02J2310/14

Abstract: A circuit for stealing power from an external system without interfering with a communication protocol may include wiring connectors configured to receive wires from the external system; a first voltage regulator to regulate a voltage on the plurality of wiring connectors at a plurality of voltage levels to encode a first multi-bit binary message according to the communication protocol to be sent to the external system; a current monitor to measure a plurality of current levels received through the plurality of wiring connectors and decode the plurality of current levels to determine a second multi-bit binary message sent from the external system according to the communication protocol; and a power converter that adjusts an amount of power stolen from the plurality of wiring connectors based at least in part on the voltage on the plurality of wiring connectors.

公开(公告)号：US20230081230A1

公开(公告)日：2023-03-16

申请号：US17883341

申请日：2022-08-08

Applicant: Google LLC

Inventor： Daniel Adam Warren ,  Michael Mitchell ,  Nathan Lentz

IPC: H04B3/54 ,  H02M7/217 ,  H03K5/00

Abstract: A method of powering a controller using an intermediate device with power from an environmental system may include receiving current from a power wire from the environmental system; passing the current from the power wire to a second command wire from the controller; monitoring the current flowing between the power wire and the second command wire while the current is below a threshold indicative of an amount of current used to power the controller from the environmental system; detecting when the current flowing between the power wire and the second command wire exceeds the threshold indicating that the controller is sending a command to the environmental system to perform the function; and sending a command to environmental system using a first command wire from the environmental system after detecting that the current exceeds the threshold.

公开(公告)号：US10380878B2

公开(公告)日：2019-08-13

申请号：US15899224

申请日：2018-02-19

Applicant: Google LLC

Inventor： Daniel Adam Warren ,  Lawrence Frederick Heyl ,  Edwin H. Satterthwaite, Jr. ,  Steven Clark ,  Andrew W. Goldenson ,  Dietrich Ho ,  Nicholas Unger Webb ,  Julia Deluliis ,  Tyler Moore ,  Ben Manuto

IPC: G08B29/12 ,  G08B29/10 ,  G08B17/10 ,  H04R3/00 ,  H04R29/00

Abstract: Systems and methods for self-administering a sound test to verify operation of a speaker and/or alarm within a hazard detection system are described herein. The sound test can verify that the audible sources such as the alarm and speaker operate at the requisite loudness and frequencies. In addition, the sound test can be self-administered in that it does not require the presence of a person to initiate or verify that the audible sources are functioning properly.

公开(公告)号：US10241526B2

公开(公告)日：2019-03-26

申请号：US15349809

申请日：2016-11-11

Applicant: Google LLC

Inventor： Eric Marschalkowski ,  Orville Buenaventura ,  Daniel Adam Warren

IPC: G05D23/19 ,  G01R19/15 ,  H02H3/00 ,  H02H3/06 ,  H02M1/08

Abstract: A thermostat may include HVAC wire connectors that receive a call relay wire and a power return wire, switching elements having a first operating state in which they create a connection between the call relay wire and the power return wire and a second operating state in which the connection between the call relay wire and the power return wire is interrupted. The thermostat may also include control circuitry configured to cause the switching elements to operate in the first operating state to actuate an HVAC function; detect an anomaly associated with measurements from power monitoring circuitry; cause the switching elements to continue to operate in the first operating state until a zero-crossing is detected; and then cause the one or more switching elements to operate in the second operating state.

公开(公告)号：US10191727B2

公开(公告)日：2019-01-29

申请号：US14878895

申请日：2015-10-08

Applicant: Google LLC

Inventor： Daniel Adam Warren ,  Hugo Fiennes ,  Jonathan Alan Dutra ,  David Bell ,  Anthony Michael Fadell ,  Matthew Lee Rogers ,  Ian C. Smith ,  Edwin H. Satterthwaite, Jr. ,  Joseph E. Palmer ,  Grant M. Erickson ,  Andrea Mucignat ,  David Sloo

IPC: G06F8/61 ,  G05B15/02 ,  F24F11/30 ,  F24F11/62 ,  G06F8/65

Abstract: A thermostat is described that includes a rechargeable battery, a graphical user interface and a wireless network communication capabilities. During installation, in cases where the rechargeable battery is below a first threshold, the installation procedure is limited so as to avoid energy intensive installation steps which may not be supported by the low battery level. An example of an installation step that is avoided due to low battery level is set up of wireless communication. According to some embodiments, if the battery level is very low during initial installation, the installation process is halted while the battery is charged. An indication such as a flashing LED may be displayed so as to indicate to the user that the battery is being charged.

公开(公告)号：US09952608B2

公开(公告)日：2018-04-24

申请号：US14804053

申请日：2015-07-20

Applicant: Google LLC

Inventor： Daniel Adam Warren ,  Edwin H. Satterthwaite, Jr. ,  Ian C. Smith

IPC: G05D23/19 ,  F24F11/00 ,  F24D19/10

CPC classification number: G05D23/19 ,  F24D19/1048 ,  F24D19/1063 ,  F24D19/1081 ,  F24F11/30 ,  F24F11/56 ,  F24F11/61 ,  F24F2110/10 ,  F24F2120/14 ,  G05D23/1902 ,  Y10T307/50

Abstract: A thermostat includes a plurality of HVAC (heating, ventilation, and air conditioning) wire connectors including a connection to at least one call relay wire. The thermostat may also include a powering circuit, including a rechargeable battery, which is configured to provide electrical power to the thermostat by power stealing from a selected call relay wire. The power stealing may comprise an active power stealing mode, in which power is taken from the same selected call relay wire that is used to call for an HVAC function, and an inactive power stealing mode in which, in which no active call is being made. The powering circuit may be configured to substantially suspend (or at least reduce the level of) power stealing for at least a first time period following each transition of the thermostat from between operating states.

公开(公告)号：US09933794B2

公开(公告)日：2018-04-03

申请号：US14591720

申请日：2015-01-07

Applicant: Google LLC

Inventor： Daniel Adam Warren ,  Hugo Fiennes ,  Jonathan Alan Dutra ,  David Bell ,  Anthony Michael Fadell ,  Matthew Lee Rogers

IPC: F24F11/053 ,  G05D23/00 ,  H01R4/48 ,  H01R4/52 ,  G05D23/19 ,  F24F11/00 ,  F24D19/10 ,  H01R43/26

CPC classification number: G05D23/19 ,  F24D19/1087 ,  F24F11/30 ,  F24F11/56 ,  F24F11/61 ,  F24F2110/10 ,  F24F2120/14 ,  G05B2219/2614 ,  G05B2219/2642 ,  G05D23/1902 ,  H01R43/26 ,  Y02T10/88 ,  Y10T29/49174 ,  Y10T29/49826 ,  Y10T307/258 ,  Y10T307/297 ,  Y10T307/766 ,  Y10T307/826

Abstract: A thermostat is configured for automated compatibility with HVAC systems that are either single-HVAC-transformer systems or dual-HVAC-transformer systems. The compatibility is automated in that a manual jumper installation is not required for adaptation to either single-HVAC-transformer systems or dual-HVAC-transformer systems. The thermostat has a plurality of HVAC wire connectors including a first call relay wire connector, a first power return wire connector, a second call relay wire connector, and a second power return wire connector. The thermostat is configured such that if the first and second external wires have been inserted into the first and second power return wire connectors, respectively, then the first and second power return wire connectors are electrically isolated from each other. Otherwise, the first and second power return wire connectors are electrically connected.