Phase shifting device

Author: Dr. Senad BuljaDate: 24/02/2023Download Here

Patent number: 9306256
Type: Grant
Filed: Mar 2, 2012
Date of Patent: Apr 5, 2016
Patent Publication Number: 20140077894
Application Number: 14/005,068

A phase shifting device based on Liquid Crystals (LCs) is disclosed is disclosed in this invention. The phase shifting device comprises a 3-dB coupler,inductors realized either in the distributed or lumped form and capacitors realized on a LCs substrate. A circuit example of the phase shifter is shown in Fig. 1.

Fig. 1 Phase shifter realized using 3-dB coupler, inductors and capacitors realized using LCs; (a) circuit representation and (b) physical realization,

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Senad Bulja, Ph.D., FIET, SMIEEE

Dr Bulja’s profile
Email : contact@drbulja.com

PROFESSIONAL Profile

Accomplished career of over 19 years demonstrating consistent success as a Researcher, Leader and Mentor in the Wireless industry research environment.
Excellent Scientific contributions in the field of RF, EMC and telecommunications with 4 Nature Journal publications and over 70 peer-reviewed articles and conference papers
Strong leadership skills demonstrated by leading Ph.D. level educated cross-continental and cross-departmental teams to successful project execution.
Proven Strategic Business Impact – introduced own developed technology into Nokia’s future technology roadmap (RF filters) and business transfer of the smart surface technology.
Creative, internationally awarded and well-driven inventor with over 70 filed patents in the area of hardware for Radio Frequency (RF), Wireless Sensor Networks (WSN), Internet of Things (IoT) and wireless systems architectures. E.g. Nokia patent award entitled: “A top inventor in implementation patent first filings”, 2020.
Significant contribution in the identification of high revenue IP assets and leadership on the creation of Nokia’s patent portfolio roadmap.