US 6,212,403 B1 · Wireless telephone battery charging while performing data communications

Abstract

A portable wireless communication device performing data communications through a network includes a secondary battery and an interface portion detachably connected to an external data terminal, for transmitting data to and receiving data from the external data terminal and for receiving an electric power from the external data terminal. The portable wireless communication device is alternately operated with at least one of an electric power from the secondary battery and the electric power input from the external data terminal through the interface portion.

Claims7

Dependent claims

A portable wireless communication device performing data communications through a network, comprising:

a secondary battery;
and
an interface portion detachably connected to an external data terminal, for transmitting data to and receiving data from the external data terminal and for receiving an electric power from the external data terminal without an impedance circuit,
wherein the portable wireless communication device is alternately operated with at least one of an electric power from the secondary battery and the electric power input from the external data terminal through the interface portion.

1 more element

Dependencies are inferred from the claim text.

Facts

Application

09/030,164Filed 25 Feb 1998

Priority

JP 9-1779963 Jul 1997

Granted

3 Apr 2001

Term ends

Not estimatedThe source records don’t support an estimate.

Classification7 codes

H04W 88/02
Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices: terminal devices
H02J 7/865
Circuit arrangements for charging or discharging batteries or for supplying loads from batteries: battery or charger load switching, e.g.…
H04W 52/0296
Managing power supply demand, e.g. depending on battery level: switching to a backup power supply
Y02D 30/70
Reducing energy consumption in communication networks: in wireless communication networks

Abstract

Facts

Application

09/030,164Filed 25 Feb 1998

Priority

JP 9-1779963 Jul 1997

Granted

3 Apr 2001

Term ends

Not estimatedThe source records don’t support an estimate.

Classification7 codes

H04W 88/02
Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices: terminal devices
H02J 7/865
Circuit arrangements for charging or discharging batteries or for supplying loads from batteries: battery or charger load switching, e.g.…
H04W 52/0296
Managing power supply demand, e.g. depending on battery level: switching to a backup power supply
Y02D 30/70
Reducing energy consumption in communication networks: in wireless communication networks

Wireless telephone battery charging while performing data communications

Life of this patent

Abstract

Claims7

Wireless telephone battery charging while performing data communications

Life of this patent

Abstract

Claims7