All items tagged with design and fast (6)

10-12-2013 | Typing on today’s mobile phones and tablets is needlessly slow. One limitation is that the QWERTY layout is ill-suited when typing with the...

1-05-1997 | The battery-powered preamplifier published in our February 1997 issue must have made many of our readers long for a matching power amplifie...

1-07-1995 | A microprocessor-controlled charger is described that surely meets the requirements of most users of NiCd batteries. It is fast, suitable...

1-10-1994 | The battery charger is intended primarily tor charging, and keeping charged, without supervision, lead-acid batteries of cars and motorcyc...

1-12-1992 | Fast charging high-capacity NiCd batteries with large currents does not only save time, but also prolongs their useful life. Moreover, if...

1-06-1984 | lead-acid battery charger The lead-acid battery has improved so much in recent years that it can often be a good and less expensive substitu...