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    SMOKE DETECTOR WITH REGULATED CONSTANT-CURRENT CIRCUIT FOR DRIVING OPTICAL SOURCES
    33.
    发明申请
    SMOKE DETECTOR WITH REGULATED CONSTANT-CURRENT CIRCUIT FOR DRIVING OPTICAL SOURCES 有权
    具有用于驱动光源的调节恒流电路的烟雾探测器

    公开(公告)号：US20160345394A1

    公开(公告)日：2016-11-24

    申请号：US14717739

    申请日：2015-05-20

    Applicant: Google Inc.

    Inventor： Daniel Adam Warren ,  Ian C. Smith ,  Brian Jonathan Conner

    IPC: H05B33/08 ,  G08B17/107 ,  G01N21/53

    CPC classification number: H05B33/0815 ,  G01N21/53 ,  G01N2201/06153 ,  G01N2201/0692 ,  G08B5/36 ,  G08B17/107

    Abstract: Systems and methods for driving optical sources operating at different wavelengths within a smoke sensor are described herein. Multiple optical sources such as light emitting diodes may be used in a photoelectric smoke sensor to detect particles of different sizes. Photoelectric smoke sensors can operate by pulsing the LEDs and measuring a response in a light sensor. The signal measured at the light sensor changes based on the quantity of particles existing in a smoke chamber. Each optical source may have different operational characteristics and thus require different drive currents to operate. LED driving circuitry according to embodiments discussed herein provide a consistent and reliable drive current to each optical source, while maximizing efficiency of power consumption across a range of possible voltages provided by different power sources.

    Abstract translation: 这里描述了用于驱动在烟雾传感器内以不同波长工作的光源的系统和方法。 多个光源（例如发光二极管）可用于光电烟雾传感器中以检测不同尺寸的颗粒。 光电烟雾传感器可以通过脉冲发光二极管和测量光传感器中的响应来进行操作。 在光传感器处测量的信号根据烟室中存在的粒子数量而变化。 每个光源可以具有不同的操作特性，因此需要不同的驱动电流来操作。 根据本文讨论的实施例的LED驱动电路为每个光源提供一致和可靠的驱动电流，同时在由不同电源提供的可能电压的范围内最大化功率消耗的效率。

    Hazard detector architecture facilitating compact form factor and multi-protocol wireless connectivity
    34.
    发明授权
    Hazard detector architecture facilitating compact form factor and multi-protocol wireless connectivity 有权
    危害检测器架构促进紧凑的外形和多协议无线连接

    公开(公告)号：US09466194B1

    公开(公告)日：2016-10-11

    申请号：US14714048

    申请日：2015-05-15

    Applicant: Google Inc.

    Inventor： Mark Kraz ,  Adam Mittleman ,  Nicholas Unger Webb ,  Andrew W. Goldenson ,  Ian Charles Smith ,  Daniel Adam Warren ,  Mikko Sannala

    IPC: G08B21/00 ,  G08B17/10 ,  G08B21/12

    CPC classification number: G08B17/10 ,  G08B3/10 ,  G08B17/113 ,  G08B21/14 ,  G08B25/10 ,  G08B29/16 ,  G08B29/18

    Abstract: Systems, methods, and devices are included for providing hazard detection. For example, a hazard detection device may include a printed circuit board. The hazard detection device may further include a chassis that provides a housing for components of the hazard detection device; a smoke chamber that at least partially houses a photoelectric diode; a carbon monoxide sensor that at least partially encased in a metallic covering; a first wireless interface component that comprising a first radio antenna configured to transmit and receive data according to a first wireless communication protocol; and a second wireless interface component that comprises a second radio antenna configured to transmit and receive data using a second wireless communication protocol.

    Abstract translation: 包括系统，方法和设备，用于提供危害检测。 例如，危险检测装置可以包括印刷电路板。 所述危害检测装置还可以包括底架，所述底架为所述危险检测装置的部件提供壳体; 至少部分地容纳光电二极管的烟室; 至少部分地包裹在金属覆盖物中的一氧化碳传感器; 第一无线接口部件，其包括被配置为根据第一无线通信协议来发送和接收数据的第一无线电天线; 以及第二无线接口组件，其包括被配置为使用第二无线通信协议来发送和接收数据的第二无线电天线。

    Thermostat with power stealing delay interval at transitions between power stealing states
    37.
    发明授权
    Thermostat with power stealing delay interval at transitions between power stealing states 有权
    具有电力窃电延迟时间间隔的恒温器在电力窃取状态之间转换

    公开(公告)号：US09086703B2

    公开(公告)日：2015-07-21

    申请号：US14293915

    申请日：2014-06-02

    Applicant: Google Inc.

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

    IPC: G05D23/19 ,  F24F11/00

    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.

    Abstract translation: 恒温器包括多个HVAC（加热，通风和空调）线连接器，其包括与至少一个呼叫继电器线的连接。 恒温器还可以包括供电电路，其包括可再充电电池，其被配置为通过从所选择的呼叫继电器电线窃取来向恒温器提供电力。 电力窃取可以包括有功功率窃取模式，其中从用于呼叫HVAC功能的相同的所选择的呼叫中继线获取电力，以及其中不进行主动呼叫的无效电力窃取模式 。 供电电路可以被配置为在恒温器从操作状态开始的每个转换之后至少第一时间段基本上暂停（或至少降低）电力窃取的水平。

    THERMOSTAT WITH SELF-CONFIGURING CONNECTIONS TO FACILITATE DO-IT-YOURSELF INSTALLATION
    38.
    发明申请
    THERMOSTAT WITH SELF-CONFIGURING CONNECTIONS TO FACILITATE DO-IT-YOURSELF INSTALLATION 有权
    具有自配置连接的温度控制器可帮助您实现自主安装

    公开(公告)号：US20150115046A1

    公开(公告)日：2015-04-30

    申请号：US14591720

    申请日：2015-01-07

    Applicant: Google Inc.

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

    IPC: G05D23/19

    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.

    Abstract translation: 恒温器配置为与单HVAC变压器系统或双HVAC变压器系统的HVAC系统自动兼容。 兼容性是自动化的，因为不需要手动跳线安装来适应单HVAC变压器系统或双HVAC变压器系统。 恒温器具有多个HVAC线连接器，包括第一呼叫继电器线连接器，第一电源回路连接器，第二呼叫继电器线连接器和第二电力回馈线连接器。 恒温器被配置为使得如果分别将第一和第二外部电线插入第一和第二电源回路线连接器中，则第一和第二电源返回线连接器彼此电隔离。 否则，第一和第二电源回路线连接器电连接。

    SMART-HOME DEVICE SWITCHING CIRCUITRY WITH INTEGRATED POWER STEALING CONTROL
    39.
    发明申请
    SMART-HOME DEVICE SWITCHING CIRCUITRY WITH INTEGRATED POWER STEALING CONTROL 审中-公开

    公开(公告)号：US20190056131A1

    公开(公告)日：2019-02-21

    申请号：US15680632

    申请日：2017-08-18

    Applicant: Google Inc.

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

    IPC: F24F11/00 ,  G05D23/19

    Abstract: A smart-home device may include an energy-storage element that stores energy that is harvested from an environmental system and a solid state relay (SSR) switching integrated circuit (IC). The SSR switching IC may include switching elements that operate in a first state and a second state. The IC may also include a control circuit that causes the switching elements to operate in the first state to activate a function of the environmental system until the energy-storage element has dropped below a threshold. The control circuit may also cause the switching elements to operate in the second state and harvest energy from the environmental system, determine that a first time has elapsed since the switching elements began operating in the second state, and cause the one or more switching elements to again operate in the first state.

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