Aristotle Hadjichristos

Person

Cary, NC, US

People

Patents Grantslast 30 patents

Information Patent Grant
Multi-mode multi-band power amplifier module
- Patent number 8,971,830
- Issue date Mar 3, 2015
- QUALCOMM Incorporated
- Aristotle Hadjichristos
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Polar modulation transmitter
- Patent number 7,072,626
- Issue date Jul 4, 2006
- Telefonaktiebolaget LM Ericsson (publ)
- Aristotle Hadjichristos
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
IQ modulation systems and methods that use separate phase and ampli...
- Patent number 7,072,421
- Issue date Jul 4, 2006
- Telefonaktiebolaget LM Ericsson
- Erik Bengtsson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
IQ modulation systems and methods that use separate phase and ampli...
- Patent number 6,975,686
- Issue date Dec 13, 2005
- Telefonaktiebolaget L.M. Ericsson
- M. Ali Khatibzadeh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method of RF power amplification
- Patent number 6,839,549
- Issue date Jan 4, 2005
- Ericsson Inc.
- David R. Pehlke
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Class-B biased gilbert cells and quadrature modulators
- Patent number 6,768,391
- Issue date Jul 27, 2004
- Ericsson Inc.
- Paul W. Dent
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
High-level modulation method and apparatus
- Patent number 6,665,525
- Issue date Dec 16, 2003
- Ericsson Inc.
- Paul W. Dent
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
On-channel transceiver architecture in a dual band mobile phone
- Patent number 5,890,051
- Issue date Mar 30, 1999
- Ericsson Inc.
- Jeffrey Schlang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Low noise Gilbert Multiplier Cells and quadrature modulators
- Patent number 5,847,623
- Issue date Dec 8, 1998
- Ericsson Inc.
- Aristotle Hadjichristos
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Polar modulation transmitter
- Publication number 20040219891
- Publication date Nov 4, 2004
- Aristotle Hadjichristos
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
High-level modulation method and apparatus
- Publication number 20020183019
- Publication date Dec 5, 2002
- Paul W. Dent
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
IQ modulation systems and methods that use separate phase and ampli...
- Publication number 20020071497
- Publication date Jun 13, 2002
- Erik Bengtsson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Aristotle Hadjichristos

Person

Patents Grantslast 30 patents

Multi-mode multi-band power amplifier module

Polar modulation transmitter

IQ modulation systems and methods that use separate phase and ampli...

IQ modulation systems and methods that use separate phase and ampli...

System and method of RF power amplification

Class-B biased gilbert cells and quadrature modulators

High-level modulation method and apparatus

On-channel transceiver architecture in a dual band mobile phone

Low noise Gilbert Multiplier Cells and quadrature modulators

Patents Applicationslast 30 patents

Polar modulation transmitter

High-level modulation method and apparatus

IQ modulation systems and methods that use separate phase and ampli...