Portable telephone

Claim 2

A portable telephone including a power amplifier module to amplify a transmission signal, comprising: supply voltage monitoring means for detecting a supply voltage of a power supply; a control-voltage setting table for registering a plurality of commands which specify a control-voltage of the power amplifier module according to the supply voltage; control-voltage selecting means for selecting a control-voltage setting command out of the control-voltage setting table, which is associated with the supply voltage detected by the supply voltage monitoring means; and control-voltage generating means for generating the control-voltage of the power amplifier module according to the control-voltage setting command selected by the control-voltage selecting means, wherein said control-voltage setting table contains the plurality of commands which specify, depending upon the supply voltage detected by said supply voltage monitoring means, lower transmission power settings than a standard transmission power setting under conditions that it is difficult to generate the transmission power more than the standard transmission power setting and higher transmission power settings than a standard transmission power setting under conditions that it is difficult to generate the transmission power less than the standard transmission power setting.

Claim 3

A portable telephone according to claim 1, wherein said control-voltage setting table contains the plurality of commands, which specify the gate voltage of the power amplifier module according to the supply voltage, being arranged in association with supply voltage ranges divided by thresholds.

Claim 4

A portable telephone including a power amplifier module to amplify a transmission signal, comprising: internal temperature monitoring means for detecting an internal temperature; a control-voltage setting table for registering a plurality of commands which specify a control-voltage of the power amplifier module according to the internal temperature; control-voltage selecting means for selecting a control-voltage setting command out of the control-voltage setting table, which is associated with the internal temperature detected by the internal temperature monitoring means; and control-voltage generating means for generating the control-voltage of the power amplifier module according to the control-voltage setting command selected by the control-voltage selecting means, wherein said control-voltage setting table contains the plurality of commands which specify, depending upon the internal temperature detected by said internal temperature monitoring means, lower transmission power settings than a standard transmission power setting under conditions that it is difficult to generate the transmission power more than the standard transmission power setting and higher transmission power settings than a standard transmission power setting under conditions that it is difficult to generate the transmission power less than the standard transmission power setting.

Claim 5

A portable telephone including a power amplifier module to amplify a transmission signal, comprising: internal temperature monitoring means for detecting an internal temperature; a control-voltage setting table for registering a plurality of commands which specify a control-voltage of the power amplifier module according to the internal temperature; control-voltage selecting means for selecting a control-voltage setting command out of the control-voltage setting table, which is associated with the internal temperature detected by the internal temperature monitoring means; and control-voltage generating means for generating the control-voltage of the power amplifier module according to the control-voltage setting command selected by the control-voltage selecting means, wherein said control-voltage setting table contains the plurality of commands which specify, depending upon the internal temperature detected by said internal temperature monitoring means, lower transmission power settings than a standard transmission power setting under conditions that it is difficult to generate the transmission power more than the standard transmission power setting and higher transmission power settings than a standard transmission power setting under conditions that it is difficult to generate the transmission power less than the standard transmission power setting.

Claim 6

A portable telephone according to claim 3, wherein said control-voltage setting table contains the plurality of commands, which specify the control-voltage of the power amplifier module according to the internal temperature, being arranged in association with temperature ranges divided by thresholds.

Claim 7

A portable telephone including a power amplifier module to amplify a transmission signal, comprising: supply voltage monitoring means for detecting a supply voltage of a power supply; a first control-voltage setting table for registering a plurality of control-voltage setting commands which specify a control-voltage of the power amplifier module according to the supply voltage; first control-voltage selecting means for selecting a supply-associated command out of the first control-voltage setting table, which is associated with the supply voltage detected by the supply voltage monitoring means; internal temperature monitoring means for detecting an internal temperature; a second control-voltage setting table for registering a plurality of control-voltage setting commands which specify the control-voltage of the power amplifier module according to the internal temperature; second control-voltage selecting means for selecting a temperature-associated command out of the second control-voltage setting table, which is associated with the internal temperature detected by the internal temperature monitoring means; control-voltage calculation means for calculating a control-voltage setting command by logical and arithmetic operations of the supply-associated command and the temperature-associated command; and control-voltage generating means for generating the control-voltage of the power amplifier module according to the control-voltage setting command.

Claim 8

A portable telephone including a power amplifier module to amplify a transmission signal, comprising: supply voltage monitoring means for detecting a supply voltage of a power supply; a first control-voltage setting table for registering a plurality of control-voltage setting commands which specify a control-voltage of the power amplifier module according to the supply voltage; first control-voltage selecting means for selecting a supply-associated command out of the first control-voltage setting table, which is associated with the supply voltage detected by the supply voltage monitoring means; internal temperature monitoring means for detecting an internal temperature; a second control-voltage setting table for registering a plurality of control-voltage setting commands which specify the control-voltage of the power amplifier module according to the internal temperature; second control-voltage selecting means for selecting a temperature-associated command out of the second control-voltage setting table, which is associated with the internal temperature detected by the internal temperature monitoring means; control-voltage calculation means for calculating a control-voltage setting command by logical and arithmetic operations of the supply-associated command and the temperature-associated command; and control-voltage generating means for generating the control-voltage of the power amplifier module according to the control-voltage setting command.

Claim 9

A portable telephone according to claim 5, wherein said control-voltage calculation means generates the control-voltage setting command which compensates a standard control-voltage setting with a sum of compensational factors involved in the supply-associated command and the temperature-associated command.

Claim 10

A portable telephone according to claim 5, wherein said control-voltage calculation means generates the control-voltage setting command which compensates a standard control-voltage setting with a sum of compensational factors involved in both the supply-associated command and the temperature-associated command, only when both the supply-associated command and the temperature-associated command contain the compensational factor.

Claim 11

A portable telephone according to claim 5, wherein said control-voltage calculation means generates the control-voltage setting command which compensates a standard control-voltage setting with a product of a compensational factor involved in the supply-associated command and the temperature-associated command as a multiplier.

Claim 12

A portable telephone according to claim 5, wherein said control-voltage calculation means generates the control-voltage setting command which compensates a standard control-voltage setting with a product of a compensational factor involved in the temperature-associated command and the supply-associated command as a multiplier.

Claim 13

A portable telephone according to claim 5, wherein said first control-voltage setting table contains the plurality of control-voltage setting commands, which specify the control-voltage of the power amplifier module according to the supply voltage, being arranged in association with supply voltage ranges divided by thresholds.

Claim 14

A portable telephone according to claim 5, wherein said second control-voltage setting table contains the plurality of control-voltage setting commands, which specify the control-voltage of the power amplifier module according to the internal temperature, being arranged in association with temperature ranges divided by thresholds.

Claim 15

A portable telephone capable of outputting transmission signals at an arbitrary power level, comprising: supply voltage monitoring means for detecting a supply voltage of a power supply; a transmission power setting table for registering a plurality of commands which specify a transmission power according to the supply voltage; transmission power selecting means for selecting a transmission power setting command out of the transmission power setting table, which is associated with the supply voltage detected by the supply voltage monitoring means; and transmission power control means for controlling the transmission power according to the transmission power setting command selected by the transmission power selecting means, wherein said transmission power setting table contains the plurality of commands which specify lower transmission power settings than a standard transmission power setting under conditions that it is difficult to generate the transmission power more than the standard transmission power setting.

Claim 16

A portable telephone capable of outputting transmission signals at an arbitrary power level, comprising: supply voltage monitoring means for detecting a supply voltage of a power supply; a transmission power setting table for registering a plurality of commands which specify a transmission power according to the supply voltage; transmission power selecting means for selecting a transmission power setting command out of the transmission power setting table, which is associated with the supply voltage detected by the supply voltage monitoring means; and transmission power control means for controlling the transmission power according to the transmission power setting command selected by the transmission power selecting means, wherein said transmission power setting table contains the plurality of commands which specify lower transmission power settings than a standard transmission power setting under conditions that it is difficult to generate the transmission power more than the standard transmission power setting.

Claim 17

A portable telephone according to claim 12, wherein said transmission power control means controls the transmission power, being adaptive to each of standard transmission power settings which designate a plurality of power levels in a stepwise manner, according to the transmission power setting command selected by the transmission power selecting means.

Claim 18

A portable telephone capable of outputting transmission signals at an arbitrary power level, comprising: supply voltage monitoring means for detecting a supply voltage of a power supply; a transmission power setting table for registering a plurality of commands which specify a transmission power according to the supply voltage; transmission power selecting means for selecting a transmission power setting command out of the transmission power setting table, which is associated with the supply voltage detected by the supply voltage monitoring means; and transmission power control means for controlling the transmission power according to the transmission power setting command selected by the transmission power selecting means, wherein said transmission power setting table contains the plurality of commands which specify higher transmission power settings than a standard transmission power setting under conditions that it is difficult to generate the transmission power less than the standard transmission power setting.

Claim 19

A portable telephone capable of outputting transmission signals at an arbitrary power level, comprising: supply voltage monitoring means for detecting a supply voltage of a power supply; a transmission power setting table for registering a plurality of commands which specify a transmission power according to the supply voltage; transmission power selecting means for selecting a transmission power setting command out of the transmission power setting table, which is associated with the supply voltage detected by the supply voltage monitoring means; and transmission power control means for controlling the transmission power according to the transmission power setting command selected by the transmission power selecting means, wherein said transmission power setting table contains the plurality of commands which specify higher transmission power settings than a standard transmission power setting under conditions that it is difficult to generate the transmission power less than the standard transmission power setting.

Claim 20

A portable telephone according to claim 14, wherein said transmission power control means controls the transmission power, being adaptive to each of standard transmission power settings which designate a plurality of power levels in a stepwise manner, according to the transmission power selecting means.

Claim 21

A portable telephone capable of outputting transmission signals at an arbitrary power level, comprising: internal temperature monitoring means for detecting an internal temperature; a transmission power setting table for registering a plurality of commands which specify a transmission power according to the internal temperature; transmission power selecting means for selecting a transmission power setting command out of the transmission power setting table, which is associated with the internal temperature detected by the internal temperature monitoring means; and transmission power control means for controlling the transmission power according to the transmission power setting command selected by the transmission power selecting means, wherein said transmission power setting table contains the plurality of commands which specify lower transmission power settings than a standard transmission power setting, under conditions that it is difficult to generate the transmission power more than the standard transmission power setting.

Claim 22

A portable telephone capable of outputting transmission signals at an arbitrary power level, comprising: internal temperature monitoring means for detecting an internal temperature; a transmission power setting table for registering a plurality of commands which specify a transmission power according to the internal temperature; transmission power selecting means for selecting a transmission power setting command out of the transmission power setting table, which is associated with the internal temperature detected by the internal temperature monitoring means; and transmission power control means for controlling the transmission power according to the transmission power setting command selected by the transmission power selecting means, wherein said transmission power setting table contains the plurality of commands which specify lower transmission power settings than a standard transmission power setting, under conditions that it is difficult to generate the transmission power more than the standard transmission power setting.

Claim 23

A portable telephone capable of outputting transmission signals at an arbitrary power level, comprising: internal temperature monitoring means for detecting an internal temperature; a transmission power setting table for registering a plurality of commands which specify a transmission power according to the internal temperature; transmission power selecting means for selecting a transmission power setting command out of the transmission power setting table, which is associated with the internal temperature detected by the internal temperature monitoring means; and transmission power control means for controlling the transmission power according to the transmission power setting command selected by the transmission power selecting means, wherein said transmission power setting table contains the plurality of commands which specify higher transmission power settings than a standard transmission power setting, under conditions that it is difficult to generate the transmission power less than the standard transmission power setting.

Claim 24

A portable telephone capable of outputting transmission signals at an arbitrary power level, comprising: internal temperature monitoring means for detecting an internal temperature; a transmission power setting table for registering a plurality of commands which specify a transmission power according to the internal temperature; transmission power selecting means for selecting a transmission power setting command out of the transmission power setting table, which is associated with the internal temperature detected by the internal temperature monitoring means; and transmission power control means for controlling the transmission power according to the transmission power setting command selected by the transmission power selecting means, wherein said transmission power setting table contains the plurality of commands which specify higher transmission power settings than a standard transmission power setting, under conditions that it is difficult to generate the transmission power less than the standard transmission power setting.

Claim 25

A portable telephone capable of outputting transmission signals at an arbitrary power level, comprising: supply voltage monitoring means for detecting a supply voltage of a power supply; a first transmission power setting table for registering a plurality of commands which specify a transmission power according to the supply voltage; first transmission power selecting means for selecting a supply-associated command out of the first transmission power setting table, which is associated with the supply voltage detected by the supply voltage monitoring means; internal temperature monitoring means for detecting an internal temperature; a second transmission power setting table for registering a plurality of commands which specify a transmission power according to the internal temperature; second transmission power selecting means for selecting a temperature-associated command out of the second transmission power setting table, which is associated with the internal temperature detected by the internal temperature monitoring means; transmission power calculation means for calculating a transmission power setting command by logical and arithmetic operations of the supply-associated command and the temperature-associated command; and transmission power control means for controlling the transmission power according to the transmission power setting command.

Claim 26

A portable telephone capable of outputting transmission signals at an arbitrary power level, comprising: supply voltage monitoring means for detecting a supply voltage of a power supply; a first transmission power setting table for registering a plurality of commands which specify a transmission power according to the supply voltage; first transmission power selecting means for selecting a supply-associated command out of the first transmission power setting table, which is associated with the supply voltage detected by the supply voltage monitoring means; internal temperature monitoring means for detecting an internal temperature; a second transmission power setting table for registering a plurality of commands which specify a transmission power according to the internal temperature; second transmission power selecting means for selecting a temperature-associated command out of the second transmission power setting table, which is associated with the internal temperature detected by the internal temperature monitoring means; transmission power calculation means for calculating a transmission power setting command by logical and arithmetic operations of the supply-associated command and the temperature-associated command; and transmission power control means for controlling the transmission power according to the transmission power setting command.

Claim 27

A portable telephone according to claim 18, wherein said transmission power calculation means generates the transmission power setting command which compensates a standard transmission power setting with a sum of compensational factors involved in the supply-associated command and the temperature-associated command.

Claim 28

A portable telephone according to claim 18, wherein said transmission power calculation means generates the transmission power setting command which compensates a standard transmission power setting with a sum of compensational factors involved in both the supply-associated command and the temperature-associated command, only when both the supply-associated command and the temperature-associated command contain the compensational factors.

Claim 29

A portable telephone according to claim 18, wherein said transmission power calculation means generates a transmission power setting command which compensates a standard transmission power setting with a product of a compensational factor involved in the supply-associated command and the temperature-associated command as a multiplier.

Claim 30

A portable telephone according to claim 18, wherein said transmission power calculation means generates a transmission power setting command which compensates a standard transmission power setting with a product of a compensational factor involved in the temperature-associated command and the supply-associated command as a multiplier.

Claim 31

A portable telephone according to claim 18, wherein said transmission power setting table contains the plurality of commands, which specify the transmission power according to the supply voltage, being arranged in association with supply voltage ranges divided by thresholds.

Claim 32

A portable telephone according to claim 18, wherein said transmission power setting table contains the plurality of commands, which specify the transmission power according to the internal temperature, being arranged in association with temperature ranges divided by thresholds.