M
Markus Kuhn
- Jan 1, 1970
- 0
Interesting petition at:
http://petitions.pm.gov.uk/chargers/
Is there actually any existing ready-to-use standard that could be
mandated stem the current bewildering variety of connectors and
specifications for DC power supplies ("chargers") for digital
consumer-electronics devices (phones, cameras, PDAs, printers, etc.)?
This is clearly an area that needs some work. If there really are
good reasons to have different voltages and maximum currents
provided by the supply (9 V, 12 V, 15 V; 2 A, 3 A, 5 A),
then perhaps a little negotiation protocol a la power-over-ethernet
(48 V) or USB (5 V) would be the right approach? It might add a
dollar or two to the cost of the individual charger/supply, but would
lead overall to enormous savings by reducing the number of
chargers required in a household.
Markus
http://petitions.pm.gov.uk/chargers/
Is there actually any existing ready-to-use standard that could be
mandated stem the current bewildering variety of connectors and
specifications for DC power supplies ("chargers") for digital
consumer-electronics devices (phones, cameras, PDAs, printers, etc.)?
This is clearly an area that needs some work. If there really are
good reasons to have different voltages and maximum currents
provided by the supply (9 V, 12 V, 15 V; 2 A, 3 A, 5 A),
then perhaps a little negotiation protocol a la power-over-ethernet
(48 V) or USB (5 V) would be the right approach? It might add a
dollar or two to the cost of the individual charger/supply, but would
lead overall to enormous savings by reducing the number of
chargers required in a household.
Markus