Honeywell International Inc.

National Technology & Engineering Solutions of Sandia, LLC

Unm Rainforest Innovations

Patrick Hudson

Gabriel A Bergman

Christopher Goh

David R Hanson

Ronen Polsky

Tito Busani

Philip Rocco Miller

Mahmoud Behzadirad

Dan Murr

Kaitlyn J H Read

Michael Hoppe

Daniel Murr

Kaitlyn Johanna Hughes Read

David T Hanson

Laura Green

Joseph Stinziano

Methods and apparatus for electrical impedance spectroscopy for non-destructive, real-time, tracking of relative water content and stress responses in plants.

Electrical impedance spectroscopy for non-destructive, real-time, tracking of relative water content and stress responses in plants

A sensor uses microneedle electrodes and multi-frequency electrical impedance spectroscopy to monitor plant water status in real time. The microneedle can be between 10 and 1000 microns in length, enabling precise placement in a variety of plant tissues. The impedance behavior can distinguish electrical properties and physiological functions of different plant tissue types. Therefore, impedance measurements can be used to monitor water stress to prevent irreversible damage to a plant and to enable improvement of plant biomass or fruit yield.

Microneedle-based electrical impedance sensor to monitor plant water status in real time

A user interface for an HVAC controller includes an electronic display and a proximity sensor for sensing a position of a user relative to the electronic display. A display controller is operably coupled to the electronic display and the proximity sensor and is configured to display one or more display elements on the electronic display. In some embodiments, a location of one or more of the display elements on the electronic display may be based, at least in part, on the position of the user sensed by the proximity sensor. In some embodiments, a size of one or more of the display elements on the electronic display may be based, at least in part, on the position of the user sensed by the proximity sensor.

HVAC controller

A master HVAC schedule for an HVAC controller may be stored on an external server accessible over a computer network. The external server may maintain the master HVAC schedule, and may translate a portion of the master HVAC schedule into a basic HVAC schedule that is executable by an HVAC controller. The external server may deliver the basic HVAC schedule to an HVAC controller according to a predetermined schedule. In some cases, the external server may deliver an updated basic HVAC schedule to the HVAC controller in response to a user initiated change made to the master HVAC schedule or upon restoration of a lost network connection between the HVAC controller and the external server.

HVAC controller having a network-based scheduling feature

Growing community of inventors

Elk River, MN, United States of America

Patrick Hudson