Ars Technica

USB Mini Type-B : 4 pin or 5 pin?

I think I've seen both eg the more typical 5 pin on most Cameras MP3 players etc and then the 4 pin that comes on the Pentax Optio S4 for example.
EDN

Type B Mini USB PC Board Jack

The AJS08G is a shielded mini USB PC board jack. Its USB connection is a serial bus that transmits the individual bits of data package successively and is normally used for data downstream. This ...
Hosted on MSN

What Is USB Type B And Which Devices Still Use It?

USB ports and connectors come in a variety of shapes and sizes. While you may be familiar with common types like USB Type-A and USB Type-C, there is also USB Type-B. It was introduced back in 1996 ...
Ars Technica

USB-IF posts first photos of new reversible Type-C connector

USB Type-A. USB Type-B. Mini-USB Type-A. Mini-USB Type-B. Micro-USB Type-A. Micro-USB Type-B. That special, ugly variant of micro-USB Type-B you need to use for phones (and some hard drives) with USB ...
EDN

Basic USB Type-C™ Upstream Facing Port Implementation

This application note discusses the basic USB Type-C upstream facing port and how it is implemented together with few discrete components to make a simple and cost effective switching from legacy Type ...