io faccio così ma non so se è proprio corretto…
`
\documentclass[9pt]{beamer}
% Setup appearance:
%\usetheme{Antibes}
\usetheme{Berkeley}
%\usetheme{Copenhagen}
%\usetheme{Darmstadt}
\usefonttheme[onlysmall]{structurebold}
\useoutertheme{infolines}
\setbeamerfont*{frametitle}{size=\normalsize,series=\bfseries}
\setbeamertemplate{navigation symbols}{}
%\usecolortheme[rgb={0.5,0,0.5}]{structure}
\logo{\includegraphics[height=1.9cm,keepaspectratio]{usb2.eps}}
%
\setbeamertemplate{headline} {
%\leavevmode%
\hbox to5cm{\insertlogo}
}
\setbeamertemplate{sidebar right}{
\vfill
\llap{\usebeamertemplate***{navigation symbols}\hskip0.2cm}%
\vskip2pt%
}
\definecolor{mypurple}{rgb}{0.5, 0.0, 0.50}
% Standard packages
\usepackage{amsmath,amssymb}
\usepackage[italian]{babel}
\usepackage[latin1]{inputenc}
\usepackage{times}
\usepackage[T1]{fontenc}
\usepackage{hyperref}
\usepackage{multimedia}
\usepackage{textcomp}
\usepackage{microtype}
\usepackage{cases}% per le equazioni raggruppate con la parentesi graffa
\usepackage{steinmetz}
%\usepackage[draft]{graphicx}
\usepackage{pst-circ}
\usepackage{tikz}
\usepackage{pict2e}
%\usepackage[siunitx]{circuitikz}
\usepackage[varg]{txfonts}
% Author, Title, etc.
\title[my talk]
{%
\textcolor{red}{title of my work}%
}
\author[me]
{
\hspace{0.2cm}\psframebox[fillstyle=solid,fillcolor=red]{\textcolor{white}{my name\inst{1}}}
}
\institute[myinst] {
\inst{1}%
\textcolor{red}{my university\\ \texttt{mymail}}
}
\date[that day]
%{November $20^{\mathrm{th}}$ 2009\\
{%\today
that day
}
%
\begin{document}
%———– titlepage ———————————————-%
\begin{frame}
\titlepage
\end{frame}
\begin{frame}
\end{frame}
\end{document} `