Suitcase - round radio receiver for battery - and mains operation.KREIENFELD FRIEDRICH
- The driving wheel with electric hub motor, the battery, the control unit and the charging apparatus with mains cable are integrated in the suitcase. ... W Heinz 被引量: 0发表: 1999年 Koffer mit einer Aufnahmebucht für ein akkubetriebenes Elektrowerkzeug sowie Koffersystem mit mindestens zw...
Apart from some portable models, most battery-operated valve radios were intended for use on farms and in remote regions where mains power was not available. Those sets are quite collectible today, but most vintage radio enthusiasts powe... R Lange - 《Edn Asia》 被引量: 0发表: 2006年 Hig...
It is mains or battery powered. 它是由电源或者电池供电的。 柯林斯例句 You may also want to a battery - powered CB or other two - way radio. 如有可能,你还应当准备电池供电的收发报机和无线对讲机. 互联网 This portable , battery - powered unit is convenient and simple to use. ...
DAB Radio Alarm Clock Bedside Mains Powered or Battery DAB/DAB+/FM Retro Radio with LCD Display Clock Radio, Find Details and Price about Retro Design with Stylish Handle Valued Price from DAB Radio Alarm Clock Bedside Mains Powered or ...
The stand-alone charger with display and LED-panel on front. The charger range is fully connected via radio and Bluetooth, with smart software solutions and functionality. With pre-mounted wall bracket and cable holder, installation comes with minimum downtime and no additional costs. ...
Radio controlled electric slack puller, brake and battery recharging system A meter stand for use in recharging the batteries of battery powered vehicles including a register to indicate the cost of the recharging service and a coin operated locking means preventing disconnection of the vehicle from ...
A battery eliminator would take the typical 6-volt or 12-volt DC power from a car battery and transform it into the required LT and HT needed to power the vacuum tubes in a car radio. Without a battery eliminator, it was necessary to occasionally replace the battery pack in the vacuum-...
Magnesium (Mg/MnO2):They have a high capacity and a long shelf life. They are used in military and aircraft radio. Mercury (Zn/HgO):They have a very high capacity and long shelf life like magnesium ones. They are used in medical equipment like hearing aids and pacemakers, and also in ...
Provided for this purpose are a mains-side radio-frequency filter (1), a mains rectifier (2), a step-up d.c. converter (3), a capacitive buffer store (4), an invertor (5), a battery rectifier (6) and a battery-side radio- frequency filter (7). The invertor (5) contains ...