Aristotele Hadjichristos

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Apex, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Polar modulation using amplitude modulated quadrature signals
- Patent number 7,023,292
- Issue date Apr 4, 2006
- Telefonaktiebolaget L.M. Dericsson
- David R. Pehlke
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for current-mode amplitude modulation
- Patent number 6,785,521
- Issue date Aug 31, 2004
- Ericsson Inc.
- Aristotele Hadjichristos
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for RF signal amplification
- Patent number 6,738,432
- Issue date May 18, 2004
- Ericsson Inc.
- David R. Pehlke
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Current modulator with dynamic amplifier impedance compensation
- Patent number 6,566,944
- Issue date May 20, 2003
- Ericsson Inc.
- David R. Pehlke
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Multi-impedance input stage
- Patent number 6,366,162
- Issue date Apr 2, 2002
- Ericsson Inc.
- Chris W. Angell
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Wide range single stage variable gain amplifier
- Patent number 6,078,219
- Issue date Jun 20, 2000
- Ericsson Inc.
- Aristotele Hadjichristos
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Polar modulation using amplitude modulated quadrature signals
- Publication number 20050134396
- Publication date Jun 23, 2005
- David R. Pehlke
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method for current-mode amplitude modulation
- Publication number 20050032488
- Publication date Feb 10, 2005
- David R. Pehlke
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method for current-mode amplitude modulation
- Publication number 20020137480
- Publication date Sep 26, 2002
- Aristotele Hadjichristos
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and methodfor RF signal amplification
- Publication number 20020136325
- Publication date Sep 26, 2002
- David R. Pehlke
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
System and method of RF power amplification
- Publication number 20020077066
- Publication date Jun 20, 2002
- David R. Pehlke
- H03 - BASIC ELECTRONIC CIRCUITRY