Transceiver battery charging apparatus and method
Patent
·
OSTI ID:6400696
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
- Country of Publication:
- United States
- Language:
- English
Similar Records
Battery charger spark suppressor
Battery charger
Controlled battery charging system
Patent
·
Tue Jul 21 00:00:00 EDT 1987
·
OSTI ID:6236020
Battery charger
Patent
·
Mon Jan 27 23:00:00 EST 1975
·
OSTI ID:6877003
Controlled battery charging system
Patent
·
Tue Jul 02 00:00:00 EDT 1991
·
OSTI ID:5775620
Related Subjects
25 ENERGY STORAGE
250903* -- Energy Storage-- Batteries-- Materials
Components
& Auxiliaries
AMPLIFIERS
ANTENNAS
BATTERY CHARGERS
BATTERY CHARGING
CABLES
CONDUCTOR DEVICES
CONNECTORS
CONTROL
DESIGN
ELECTRIC BATTERIES
ELECTRIC CABLES
ELECTRIC POTENTIAL
ELECTRICAL EQUIPMENT
ELECTROCHEMICAL CELLS
ELECTRONIC CIRCUITS
ELECTRONIC EQUIPMENT
EQUIPMENT
MODE CONTROL
OPERATION
RF SYSTEMS
SWITCHES
WIRES
250903* -- Energy Storage-- Batteries-- Materials
Components
& Auxiliaries
AMPLIFIERS
ANTENNAS
BATTERY CHARGERS
BATTERY CHARGING
CABLES
CONDUCTOR DEVICES
CONNECTORS
CONTROL
DESIGN
ELECTRIC BATTERIES
ELECTRIC CABLES
ELECTRIC POTENTIAL
ELECTRICAL EQUIPMENT
ELECTROCHEMICAL CELLS
ELECTRONIC CIRCUITS
ELECTRONIC EQUIPMENT
EQUIPMENT
MODE CONTROL
OPERATION
RF SYSTEMS
SWITCHES
WIRES