Hewlett-Packard patents granted on 22 March 2016

25 US patents granted on 22 March 2016 and assigned to Hewlett-Packard

1 D752,040 Tablet computer
2 9,294,447 Access control
3 9,294,155 Near-field communication and impact sensor
4 9,293,824 Interchangeable printed circuit board among various types of platforms by adjusting an impedance value
5 9,292,769 Iterative calibration omitting first corrections from a next iteration
6 9,292,715 Shared secret used between keyboard and application
7 9,292,277 Methods and devices for updating firmware of a component using a firmware update application
8 9,292,249 System with content display management
9 9,292,112 Multimodal interface
10 9,292,092 Interactive display system with collaborative gesture detection
11 9,292,043 Flat panel monitor stands
12 9,291,948 Liquid electrophotography ink developer
13 9,291,927 Method and apparatus for concentrating an ink for an electrostatic printing process
14 9,291,873 Surfactants with a terminal dialkyl- or cycloalkyl-substituted tertiary amine and inks including the same
15 9,291,756 Filter
16 9,291,299 Display stand with latching mechanism
17 9,290,030 Determining a color of a color patch
18 9,290,025 Media handling system
19 9,289,997 Doped black ink with increased light scattering efficiency for nozzle health detection
20 9,289,987 Heating element for a printhead
21 9,289,982 Dual-mode inkjet nozzle operation
22 9,289,978 Fluid ejection device
23 9,289,977 Bias current reduction for print nozzle amplifier
24 9,289,974 Printhead control systems and methods for controlling a printhead
25 9,289,972 Impression mediums, printing system having impression medium, and method thereof