Amazon patents granted on 19 April 2016

27 US patents granted on 19 April 2016 and assigned to Amazon

1 9,320,166 Multi-shelf power-pooling bus
2 9,319,993 Injecting active periods into scheduled inactive periods
3 9,319,856 Routing messages to user devices
4 9,319,816 Characterizing environment using ultrasound pilot tones
5 9,319,792 Audio capture and remote output
6 9,319,787 Estimation of time delay of arrival for microphone arrays
7 9,319,783 Attenuation of output audio based on residual echo
8 9,319,782 Distributed speaker synchronization
9 9,319,392 Credential management
10 9,319,272 Methods and apparatus for providing composed appliance services in virtualized private networks
11 9,319,221 Controlling access based on recognition of a user
12 9,318,060 Display driving method
13 9,317,736 Individual record verification based on features
14 9,317,622 Methods and systems for fragmenting and recombining content structured language data content to reduce latency of processing and rendering operations
15 9,317,616 Dynamic web updates based on state
16 9,317,452 Selective restrictions to memory mapped registers using an emulator
17 9,317,398 Vendor and version independent browser driver
18 9,317,343 Centralized processing of events
19 9,317,271 Software distribution architecture for hardware devices
20 9,317,217 Wiping and verifying storage devices
21 9,317,213 Efficient storage of variably-sized data objects in a data store
22 9,317,175 Integration of an independent three-dimensional rendering engine
23 9,317,113 Gaze assisted object recognition
24 9,317,034 System and method for inventory management using mobile drive units
25 9,316,779 Shaping reflective material for controlling lighting uniformity
26 9,315,344 Container stacking configurations
27 9,315,320 Automated warehouse system