Transceiver battery charging apparatus and method

Patent · Tue Aug 04 00:00:00 EDT 1987

OSTI ID:6400696

George, D L; Benson, Jr, R G

A battery charger is described for a hand-held transceiver having a rechargeable battery, comprising: a housing having means for receiving the transceiver; connector means for electrically connecting the battery charger to the transceiver, the connector means including a microphone terminal, an RF terminal, a mode control terminal and a charger output terminal; a microphone unit having a microphone and a mode switch, the microphone being electrically coupled to the microphone terminal; multiwire cable means for attaching the microphone unit to the housing; an RF amplifier having an input and an output; an antenna lead connected to the RF amplifier output; mode control means for correspondingly controlling the operating modes of the battery charger and the transceiver for transmit and receive modes, the mode control means having an input connected to the mode switch and an output connected to the mode control terminal; means responsive to the mode control means for coupling the RF terminal to the RF amplifier input during transmit mode and to the antenna lead during receive mode; and charging circuit means for selectively charging the transceiver battery from a source of a first voltage during transmit mode and from a source of a second, higher voltage during receive mode. The charging circuit means has an output connected to the charger output terminal.

• Assignee: Uniden Corp. of America, Indianapolis, IN
• Patent Number(s): US 4684870
• OSTI ID: 6400696
• Resource Relation: Patent File Date: Filed date 9 Apr 1986
• Country of Publication: United States
• Language: English

Related Subjects

25 ENERGY STORAGE
BATTERY CHARGERS
DESIGN
OPERATION
ELECTRIC BATTERIES
BATTERY CHARGING
AMPLIFIERS
ANTENNAS
CONNECTORS
ELECTRIC CABLES
ELECTRIC POTENTIAL
ELECTRONIC CIRCUITS
MODE CONTROL
RF SYSTEMS
SWITCHES
WIRES
CABLES
CONDUCTOR DEVICES
CONTROL
ELECTRICAL EQUIPMENT
ELECTROCHEMICAL CELLS
ELECTRONIC EQUIPMENT
EQUIPMENT
250903* - Energy Storage- Batteries- Materials
Components
& Auxiliaries