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Browse Prior Art Database

Battery Multi-Interface System

IP.com Disclosure Number: IPCOM000116813D
Original Publication Date: 1995-Nov-01
Included in the Prior Art Database: 2005-Mar-31
Document File: 2 page(s) / 33K

Publishing Venue

IBM

Related People

Odaohara, S: AUTHOR

Abstract

Disclosed is a battery which has multiple communication interfaces with computer system. This battery can detect what interface the system has. Then, it communicates with the system using appropriate interface. The interface includes both electrical signal and command/data protocol.

This text was extracted from an ASCII text file.
This is the abbreviated version, containing approximately 100% of the total text.

Battery Multi-Interface System

      Disclosed is a battery which has multiple communication
interfaces with computer system.  This battery can detect what
interface the system has.  Then, it communicates with the system
using appropriate interface.  The interface includes both electrical
signal and command/data protocol.

      The Figure shows an example of this system.  There is a
resister between negative terminal (-) and a battery terminal (T)
inside the battery.  Its resistance value is R.  The voltage of
terminal (T) can be read by an Analog Digital Converter (ADC).  Also,
this battery can be installed in multiple systems.  System-A can
communicate with the battery using Interface-A.  There is a register
inside the system and its value is Ra.  This resister is connected
between the (T) pin and power (voltage V).  If the ADC detects
voltage RV/(R+Ra), the battery will communicate the system with
Interface-A.  In case that the battery is installed in System-B which
has resister Rb connected to power V and has Interface-B, the battery
will communicate the system with Interface-B when the ADC detects
voltage RV/(R+Rb).

      The system detection mechanism can realize this invention not
only by using resisters, but also thermisters and ADC.  Photo sensors
and other mechanical structures can be also utilized.