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    • 85. 发明授权
    • Alarm system testing device
    • 报警系统检测装置
    • US09564045B2
    • 2017-02-07
    • US14252157
    • 2014-04-14
    • Stephen D. AinsworthLarry C. Geoghegan
    • Stephen D. AinsworthLarry C. Geoghegan
    • G08B29/00G08B29/12
    • G08B29/123G08B29/00
    • An alarm system testing device facilitates simulation of a trouble condition and testing circuit continuity of an alarm system within a structure. The device includes an alarm system comprising an electrical circuit, an alarm, a resistor, and at least one trigger. The alarm is activated by the trigger shorting a positive rail of the electrical circuit to a negative rail. A testing switch has a ground position wherein the positive rail of the electrical circuit is grounded when the testing switch is in the ground position. The resistor is electrically coupled to the testing switch such that positioning the testing switch in a resistor bypass position removes the resistor from the electrical circuit.
    • 报警系统测试装置有助于模拟结构内的报警系统的故障状况和测试电路连续性。 该装置包括一个包括电路,报警器,电阻器和至少一个触发器的报警系统。 触发器触发警报,将电路的正极短路到负极轨。 测试开关具有接地位置,其中当测试开关处于接地位置时,电路的正极接地。 电阻器电耦合到测试开关,使得将测试开关定位在电阻旁路位置,从电路中去除电阻器。
    • 87. 发明授权
    • Long term encrypted storage and key management
    • 长期加密存储和密钥管理
    • US09455963B1
    • 2016-09-27
    • US14575676
    • 2014-12-18
    • Amazon Technologies, Inc.
    • Gregory Branchek RothEric Jason Brandwine
    • H04L9/32H04L29/06G06F1/26G08B29/00
    • H04L63/061H04L63/0464
    • An encryption key not accessible outside a data storage device can be used to encrypt data stored in that device. The received data may have been encrypted under an external key, such as a key associated with a customer of a data storage service. Upon receiving the data encrypted under the external key, the data can be decrypted using a copy of the external key and then re-encrypted, inside the data storage device, using the internal key. If the external key is to be rotated, the stored data does not need to be modified as the data can be decrypted using the internal key and then re-encrypted using the new external key in response to an authorized request for the data after the change to the new external key. Such an approach provides near instant key rotation while not having to re-encrypt data under the new key unless requested.
    • 可以使用在数据存储设备之外不可访问的加密密钥来加密存储在该设备中的数据。 所接收的数据可以在外部密钥(例如与数据存储服务的客户相关联的密钥)下被加密。 在接收到外部密钥加密的数据之前,可以使用外部密钥的副本解密数据,然后使用内部密钥重新加密数据存储设备内的数据。 如果要旋转外部密钥,则不需要修改存储的数据,因为可以使用内部密钥对数据进行解密,然后使用新的外部密钥重新加密,以响应更改后的数据的授权请求。 到新的外部键。 这种方法提供近即时密钥旋转,而不需要重新加密新密钥下的数据,除非请求。
    • 88. 发明授权
    • Method for collecting information pertaining to an audio notification system
    • 收集有关音频通知系统的信息的方法
    • US09454894B2
    • 2016-09-27
    • US14642065
    • 2015-03-09
    • AXIS AB
    • Ola AngelsmarkDaniel Malmgren McGee
    • G08B29/00G08B29/12H04R29/00
    • G08B29/126H04R29/007
    • The present invention is directed towards a method for collecting information pertaining to an audio notification system comprising a plurality of audio devices and a database, wherein each of the plurality of audio devices comprises a loudspeaker and a microphone, the method comprising: sequentially for each of the plurality of audio devices: emitting, by means of the loudspeaker of a currently emitting audio device, an audible test sound; monitoring, by means of microphones of the audio devices in the system, for the audible test sound; and for each monitoring audio device, if the audible test sound is detected by the monitoring audio device, storing, in the database, information pertaining to the currently emitting audio device and information pertaining to the monitoring audio device detecting the audible test sound.
    • 本发明涉及一种用于收集涉及包括多个音频设备和数据库的音频通知系统的信息的方法,其中多个音频设备中的每一个包括扬声器和麦克风,该方法包括: 所述多个音频设备:通过当前发射音频设备的扬声器发射可听见的测试声音; 通过系统中的音频设备的麦克风监视用于可听见的测试声音; 并且对于每个监视音频设备,如果所述监听音频设备检测到所述可听见的测试声音,则在所述数据库中存储与当前发射音频设备有关的信息以及与所述监听音频设备相关的信息,以检测所述可听见的测试声音。