WO2004064188A1 - 電子機器および電子機器の動作制御方法 - Google Patents
電子機器および電子機器の動作制御方法 Download PDFInfo
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- WO2004064188A1 WO2004064188A1 PCT/JP2003/016926 JP0316926W WO2004064188A1 WO 2004064188 A1 WO2004064188 A1 WO 2004064188A1 JP 0316926 W JP0316926 W JP 0316926W WO 2004064188 A1 WO2004064188 A1 WO 2004064188A1
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- Prior art keywords
- fuel cell
- fuel
- oxidizing agent
- voltage
- detecting
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04186—Arrangements for control of reactant parameters, e.g. pressure or concentration of liquid-charged or electrolyte-charged reactants
- H01M8/04194—Concentration measuring cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Definitions
- the present invention relates to an electronic device and an operation control method of the electronic device, and more particularly to an electronic device and an operation control method of the electronic device which can accurately determine a state of the fuel cell in an electronic device powered by a fuel cell.
- lithium-ion batteries and alkaline batteries have been used as power sources for portable electronic devices such as cameras, but small-sized fuel cells have been proposed as next-generation power sources.
- Fuel cells use oxygen in the air in addition to methanol as their fuel.
- the state of the battery is determined by detecting the output voltage of the battery.
- the present invention has been made in view of such a situation, and aims to accurately determine the state of a fuel cell.
- a first electronic device includes a voltage detecting means for detecting a voltage generated by the fuel cell, a fuel remaining amount detecting means for detecting a remaining fuel amount of the fuel cell, and an oxidizing device for detecting an oxidizing agent concentration of the fuel cell.
- Agent concentration detecting means, voltage detecting means, fuel remaining amount detecting means, determining means for determining the state of the fuel cell based on the detection results of the oxidizing agent concentration detecting means, and the fuel cell determined by the determining means Display means for displaying a state.
- the determining means determines whether or not the voltage detected by the voltage detecting means is lower than a predetermined voltage reference value.
- the display means determines whether the voltage is higher than the voltage reference value by the determining means. It can be displayed that the battery status is normal.
- the display means when the determination means determines that the voltage is higher than the voltage reference value, uses a display corresponding to the temporal remaining amount of the fuel cell to indicate that the state of the fuel cell is normal.
- the determining means further determines whether the oxidant concentration detected by the oxidant concentration detecting means is greater than a predetermined oxidant concentration reference value, and the display means determines, by the determining means, that the voltage is smaller than the voltage reference value. If it is determined that the oxidizer concentration is smaller than the oxidant concentration reference value, it indicates that the oxidizer is insufficient, and the determination means determines that the voltage is lower than the voltage reference value and that the oxidant concentration is lower. If it is determined that the value is larger than the oxidant concentration reference value, it is possible to display that the state of the fuel cell is abnormal.
- the display means indicates that the oxidizing agent is insufficient by using a display corresponding to the number of frames of the electronic device. You can do so.
- the display means uses a display corresponding to the time remaining amount of the fuel cell and a display corresponding to the frame count of the electronic device when the oxidizer concentration is determined to be larger than the oxidant concentration reference value by the determination means, In addition, by blinking them, it is possible to indicate that the state of the fuel cell is abnormal. 6
- the judging means judges whether or not the remaining fuel amount detected by the fuel remaining amount detecting means is larger than a predetermined fuel reference value, and the display means shows by the judging means that the remaining fuel amount is smaller than the fuel reference value. If it is determined that the remaining fuel amount of the fuel cell is insufficient, it can be displayed.
- the display means indicates that the fuel remaining amount is insufficient by using a display corresponding to the temporal remaining amount of the fuel cell when the determining means determines that the remaining fuel amount is smaller than the fuel reference value. You can make it.
- a first operation control method for an electronic device includes: a voltage detection step for detecting a voltage generated by a fuel cell; a remaining fuel level detection step for detecting a remaining fuel level of the fuel cell; and an oxidizing agent for the fuel cell.
- a determination step for determining the state of the fuel cell based on the detection results of the oxidant concentration detection step for detecting the concentration, the voltage detection step, the remaining fuel amount detection step, and the oxidant concentration detection step
- the voltage generated by the fuel cell is detected, the remaining fuel amount of the fuel cell is detected, and the oxidant concentration of the fuel cell is detected.
- the state of the fuel cell is determined based on these detection results, and the display is controlled.
- a second electronic device includes: a voltage detecting unit that detects a voltage generated by the fuel cell; a remaining fuel amount detecting unit that detects a remaining fuel amount of the fuel cell; and an oxidizing unit that detects an oxidizing agent concentration of the fuel cell. Based on the detection result of the agent concentration detecting means, the voltage detecting means, the fuel remaining amount detecting means, or the oxidizing agent concentration detecting means, and based on the determination result of the determining means, An oxidant replenishing means for replenishing the oxidant is provided to increase the oxidant concentration.
- the oxidizing agent replenishing means can replenish the oxidizing agent so that the oxidizing agent concentration increases when the determining means determines that the oxidizing agent concentration is lower than the predetermined oxidizing agent concentration reference value.
- the apparatus further includes control means for controlling the start of replenishment of the oxidant.
- the oxidant replenishment means determines that the oxidant concentration is smaller than the predetermined oxidant concentration reference value by the determining means, When the control to start the replenishment of the oxidant is performed, the oxidant can be collected so as to increase the oxidant concentration.
- the determining means determines whether or not the voltage detected by the voltage detecting means is smaller than a predetermined voltage reference value, and determines whether the oxidant concentration detected by the oxidant concentration detecting means is lower than a predetermined oxidant concentration reference value. If the voltage is smaller than the voltage reference value and the oxidant concentration is smaller than the oxidant concentration reference value, it is determined that the oxidant concentration is low. Can be
- An operation control method for an electronic device includes a voltage detecting step of detecting a voltage generated by the fuel cell, a fuel remaining amount detecting step of detecting a remaining fuel amount of the fuel cell, and an oxidizing agent of the fuel cell.
- An oxidizing agent concentration detecting step for detecting the concentration, a voltage detecting step, a fuel remaining amount detecting step, or a determining step of determining a state of the fuel cell based on a detection result of the oxidizing agent concentration detecting step
- an oxidizing agent replenishing step for capturing the oxidizing agent in order to increase the oxidizing agent concentration based on the result of the determination in the determining step.
- a third electronic device includes: a voltage detecting unit that detects a voltage generated by the fuel cell; a remaining fuel amount detecting unit that detects a remaining fuel amount of the fuel cell; and an oxidizing unit that detects an oxidizing agent concentration of the fuel cell.
- Oxidizing agent replenishing means for replenishing the oxidizing agent for increasing the oxidizing agent concentration, wherein the oxidizing agent replenishing means is connected to the determination result of the determining means. Instead, air is constantly supplied as an oxidant from an air hole formed in an electronic device through an oxidant permeable membrane.
- the vent can be a hole in a frame for mounting the speaker.
- An operation control method for an electronic device includes: a voltage detecting step of detecting a voltage generated by the fuel cell; a remaining fuel level detecting step of detecting a remaining fuel level of the fuel cell; and an oxidizing agent of the fuel cell.
- An oxidizing agent concentration detecting step for detecting the concentration, a voltage detecting step, a fuel remaining amount detecting step, or a determining step of determining a state of the fuel cell based on a detection result of the oxidizing agent concentration detecting step
- air is constantly supplied as an oxidant from an air hole formed in an electronic device through an oxidant permeable membrane.
- the voltage generated by the fuel cell is detected, the remaining fuel amount of the fuel cell is detected, and the oxidant concentration of the fuel cell is detected.
- the state of the fuel cell is determined based on these detection results, and an oxidant is replenished to increase the oxidant concentration based on the determination results.
- Air is constantly supplied as an oxidizing agent through the oxidizing agent permeable membrane from the ventilation hole formed in the rim.
- FIG. 1 is a block diagram showing a configuration example of a camera to which the present invention is applied.
- FIG. 2 is a diagram showing a display example on the display unit in FIG.
- FIG. 3 is a diagram for explaining marks displayed on the display unit in FIG.
- FIG. 4 is a flowchart illustrating a fuel cell status display process in the camera of FIG.
- FIG. 5 is a diagram showing a display example by the process of step S13 in FIG. PC hibernation 16926
- FIG. 6 is a diagram showing a display example by the process of step S16 in FIG.
- FIG. 7 is a diagram illustrating a display example by the process of step S19 in FIG.
- FIG. 8 is a diagram showing a display example by the process of step S20 in FIG.
- FIG. 9 is a block diagram showing another configuration example of a camera to which the present invention is applied.
- FIG. 10 is a block diagram showing the configuration of the oxidizing agent supply section of the camera of FIG.
- FIG. 11 is a block diagram showing the configuration of the oxidizing agent supply of the camera of FIG.
- FIG. 12 is a diagram showing a display example on the display unit in FIG.
- FIG. 13 is a diagram for explaining marks displayed on the display unit in FIG.
- FIG. 14 is a flowchart for explaining the fuel cell status display process in the camera of FIG.
- FIG. 15 is a diagram showing a display example by the process of step S23 in FIG.
- FIG. 16 is a diagram showing a display example by the process of step S26 in FIG.
- FIG. 17 is a diagram showing a display example by the process of step S29 of FIG.
- FIG. 18 is a diagram showing a display example by the process of step S31 in FIG.
- FIG. 19 is a flowchart illustrating the oxidant supply process in the camera of FIG.
- FIG. 20 is a diagram for explaining the oxidizing agent supply process in the flowchart of FIG.
- FIG. 21 is a diagram for explaining the oxidant capturing process in the flowchart of FIG.
- FIG. 22 is a diagram showing another configuration example for the oxidant supply process.
- FIG. 23 is a diagram showing still another configuration example for the oxidant supply process.
- FIG. 24 is a diagram showing another configuration example for the oxidant supply process.
- FIG. 25 is a flowchart illustrating the oxidizing agent replenishment process in the camera of FIG. 24.
- FIG. 26 is a diagram showing another configuration example for the oxidant supply process.
- FIG. 27 is a flowchart illustrating the oxidizing agent replenishment process in the camera of FIG.
- FIG. 28 is a diagram showing a drive configuration of the fan.
- FIG. 29 is a diagram illustrating a drive configuration of the fan. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 is a block diagram showing a configuration example of a camera 1 to which the present invention is applied.
- Camera 1 has an input unit 10, a microcomputer 11, a fuel cell 12, a fuel remaining amount detection unit 13, a voltage detection unit 14, an oxidant concentration detection unit 15, a water accumulation amount detection unit 16, and , And a display unit 18.
- the microcomputer 11 controls each section based on a user's command.
- the microcomputer 11 includes a memory such as a read only memory (R0M) and a random access memory (RAM), and stores necessary information as needed.
- R0M read only memory
- RAM random access memory
- the fuel cell 12 uses methanol, uses oxygen in the air to generate energy, and supplies the energy to the various parts of the camera 1 that require power.
- the remaining fuel detector 13 detects the remaining fuel such as hydrogen, methanol, and hydrocarbons of the fuel cell 12 and outputs the detected remaining fuel to the microcomputer 11.
- the fuel cell 12 is disposed in a battery chamber 19, and external air is supplied to the battery chamber 19 through an oxidant permeable membrane 17.
- the oxidizing agent permeable film 17 is a film or a film that allows an oxidizing agent (for example, oxygen) to pass therethrough and does not allow water to pass therethrough, and is provided in a vent of the camera 1.
- the oxidant-permeable membrane 17 is particularly useful when the camera 1 is drip-proof or waterproof.
- the voltage detector 14 detects the voltage (or current) generated by the fuel cell 12 and outputs the detection result to the microphone computer 11.
- the oxidant concentration detection section 15 detects the concentration of the oxidant used in the fuel cell 12 (in this case, the concentration of oxygen in the battery compartment 19), and outputs the detection result to the microcomputer 1 Output to 1.
- the water storage amount detection unit 16 detects the amount of water generated and generated by the reaction between hydrogen and oxygen in the fuel cell 12 and outputs the detection result to the microcommuter 11 .
- the display unit 18 displays various states of the camera 1 based on control from the microcomputer 11.
- the microcomputer 11 obtains the detection result of the fuel remaining amount detection unit 13, the voltage detection unit 14, or the oxidant concentration detection unit 15, and displays the detection result on the display unit 18 based on the obtained detection result. , Display the status of camera 1.
- FIG. 2 is a diagram showing a display example on the display unit 18 of FIG.
- the mark 50 displayed on the display section 18 is a display indicating the remaining amount of the fuel cell over time
- the mark 70 is a display indicating the number of frames of the camera 1.
- the mark 50 is It is used to indicate the remaining amount of fuel (fuel such as hydrogen, methanol, and hydrocarbons in fuel cell 12), and mark 70 is used to indicate a lack of oxidant.
- the mark indicating the lack of the oxidant is also used as the display indicating the number of frames of the camera 1, for example, the mark may be also used as the calendar displayed on the display unit 18 or may indicate the lack of the oxidant.
- a dedicated display may be provided.
- a mark 51 or a mark 52 as shown in FIG. 3 is also displayed.
- the mark 51 indicates that the remaining amount of time of the fuel cell 12 is about 1/3 from about lZ2. Indicates that the temporal remaining amount of the fuel cell 12 is small.
- the mark 52 When the status of the fuel cell 12 is displayed on the mark, the mark 52 indicates that there is no remaining fuel.
- the mark 51 is a power mark 51 that is not used and a message requesting the user to refuel the fuel (fuel such as hydrogen, methanol, and hydrocarbon of the fuel cell 12). It is also possible to use it as a display.
- This processing is started when a command to display the state of the fuel cell 12 is input to the input unit 10 by the user. This process may be started periodically after the power is turned on.
- step S11 the microcomputer 11 causes the voltage detection unit 14 to detect the generated voltage of the fuel cell 12, and acquires the generated voltage detected by the voltage detection unit 14.
- step S12 the microcomputer 11 determines whether or not the generated voltage acquired from the voltage detector 14 is smaller than a predetermined voltage reference value V.
- the microphone computer 11 stores a predetermined voltage reference value V in a built-in memory (not shown) in advance. If it is determined in step S12 that the generated voltage is not smaller (larger) than the predetermined voltage reference value V, the microcomputer 11 determines that the state of the fuel cell 12 is normal, and proceeds to step S12. Proceed to S13, and display 18 shows that fuel cell 12 is normal. That is, the determination of normal is made only by the determination based on the voltage. At this time, a display as shown in FIG.
- step S12 If it is determined in step S12 that the generated voltage is smaller than the predetermined voltage reference value V, the process proceeds to step S14, where the microcomputer 11 sends the fuel remaining amount detection unit 13 The remaining fuel level of the battery 12 is detected, and the remaining fuel level detected by the remaining fuel level detector 13 is obtained.
- step S14 the microcomputer 11 sends the fuel remaining amount detection unit 13 The remaining fuel level of the battery 12 is detected, and the remaining fuel level detected by the remaining fuel level detector 13 is obtained.
- step S15 the microcomputer 11 determines whether or not the remaining fuel amount obtained from the remaining fuel amount detection unit 13 is larger than a predetermined fuel reference value F.
- the microphone computer 11 stores a predetermined fuel reference value F in a built-in memory in advance. If it is determined in step S15 that the remaining fuel amount is not larger (smaller) than the predetermined fuel reference value F, the microcomputer 11 determines that the state of the fuel cell 12 is low on fuel. Then, the process proceeds to step S16, and the display 18 displays that the fuel of the fuel cell 12 is insufficient. At this time, a display as shown in FIG. 6 is made on the display section 18.
- step S15 the microcomputer 11 sends the fuel to the oxidant concentration detection unit 15
- the oxidant concentration of the battery 12 is detected, and the oxidant concentration detected by the oxidant concentration detection unit 15 is obtained.
- step S18 the microcomputer 11 determines whether or not the oxidant concentration acquired from the oxidant concentration detector 15 is larger than a predetermined oxidant concentration reference Z.
- the microcomputer 11 stores a predetermined oxidant concentration reference Z in a built-in memory in advance. If it is determined in step S18 that the oxidizer concentration is not higher (lower) than the predetermined oxidizer concentration standard Z, the microcomputer 11 determines that the state of the fuel cell 12 is low due to the oxidizer shortage. It is determined that there is, and the process proceeds to step S 19, and the display 18 displays that the oxidizer of the fuel cell 12 is insufficient. At this time, a display as shown in FIG. 7 is made on the display section 18.
- the mark 50 and the mark 70 are displayed on the display section 18 in FIG. Thereby, it is possible to indicate to the user that the oxidizer of the fuel cell 12 is insufficient (there is a fuel remaining amount of the fuel cell 12 but the oxidizer is insufficient). . That is, The determination that the oxidizer is insufficient is made when the voltage is lower than the reference value, the fuel remaining amount is higher than the reference value, and the oxidizer is lower than the reference value.
- step S18 If it is determined in step S18 that the oxidant concentration is larger than the predetermined fuel reference value F, the process proceeds to step S20, where the microcomputer 11 determines that the state of the fuel cell 12 is abnormal. Is determined, and the display section 18 displays that the battery section is abnormal. At this time, the microcomputer 11 blinks the display as shown in FIG. 8 on the display section 18 (the mark 52 and the mark 70 blink). As a result, the user is warned of an abnormality in the battery unit.
- the mark 52 and the mark 70 are displayed, and the mark 52 and the mark 70 are blinking.
- the state of the fuel cell 1 2 (the battery section in which the fuel cell 1 2 is stored) is abnormal to the user (there is no fuel in the fuel cell 1 2 and no shortage of oxidizing agent). Is abnormal because the generated voltage is low).
- the generated voltage of the fuel cell 12 is smaller than the predetermined voltage reference value V (determined as YES in step S12), and the fuel remaining amount of the fuel cell 12 is smaller than the predetermined fuel reference value F. If it is larger (determined as YES in step S15) and the oxidant concentration of the fuel cell 12 is larger than a predetermined oxidant concentration reference Z (determined as YES in step S18), the fuel It is determined that the state of the battery 12 or the battery unit (peripheral part of the fuel cell 12) is abnormal.
- step S13 After the processing in step S13, after the processing in step S16, after the processing in step S19, or after the processing in step S20, the processing is terminated.
- the fuel cell 1 2 generated voltage, fuel quantity, and, since to detect the oxidizing agent concentration, also c can determine that the fuel cell is abnormal, the display unit 1 8 Using the mark 50 (marks 51 and 52) corresponding to the time remaining display of the fuel cell and the display (mark 70) corresponding to the frame count of the camera 1, the fuel Since the state of the battery 12 is displayed, the state of the fuel cell 12 can be displayed without providing special display means.
- the present invention is applied to a camera has been described as an example. However, the present invention can be applied to electronic devices other than the camera.
- FIG. 9 is a block diagram showing a configuration example of the camera 101 to which the present invention is applied.
- the camera 101 has an input section 110, a microcomputer 111, a fuel cell 112, a fuel level detection section 113, a voltage detection section 114, an oxidant concentration detection section 115, and water. It is composed of a storage amount detection unit 1 16, a display unit 1 18, an oxidizing agent replenishment start switch 120, and an oxidizing agent replenishing unit 121.
- the input unit 110 receives an operation by a user.
- the microcomputer 111 controls each section based on a user's command.
- the microcomputer 111 includes a memory such as a read only memory (R0M) and a random access memory (RAM), and stores necessary information as needed.
- R0M read only memory
- RAM random access memory
- the fuel cell 112 uses methanol, uses oxygen in the air to generate energy, and supplies the power to the various parts that require the power of the camera 101.
- the fuel remaining amount detection unit 113 detects the remaining amount of fuel such as hydrogen, methanol, and hydrocarbons in the fuel cell 112, and outputs the detected remaining fuel amount to the microcomputer 111.
- the fuel cell 112 is arranged in a battery chamber 119, and external air is supplied to the battery chamber 119 via an oxidant permeable membrane 117.
- the oxidizing agent permeable membrane 117 is a membrane or a film that allows an oxidizing agent (for example, oxygen) to pass therethrough but does not allow water to pass therethrough, and is provided in the vent hole 117 A of the camera 101. .
- the oxidant-permeable membrane 117 is particularly useful when the camera 101 is drip-proof or waterproof.
- the voltage detector 114 detects the voltage (or current) generated by the fuel cell 112 and outputs the detection result to the microcomputer 111.
- the oxidant concentration detection section 115 detects the concentration of the oxidant used in the fuel cell 112 (in this case, the oxygen concentration in the battery compartment 119), and the detection result is sent to the microcomputer. Output to 1 1 1 3016926
- the water storage amount detection unit 116 detects the amount of water generated by the reaction of hydrogen and oxygen in the fuel cell 112, and stores the amount of water. Output to
- the display unit 118 displays various states of the camera 101 based on control from the microcomputer 111.
- the microcomputer 111 obtains the detection results of the fuel remaining amount detection unit 113, the voltage detection unit 114, or the oxidant concentration detection unit 115, and displays based on the obtained detection results. Display the status of camera 101 in section 1 18.
- the oxidant supply start switch 120 is turned on or off by the user. Specifically, it is turned on when the outside air (air) is taken into the camera 101, and turned off when the outside air is not taken into the camera 101.
- the oxidizing agent replenishing unit 121 supplies oxygen (oxidizing agent) into the camera 101 when the oxidizing agent replenishing start switch 120 is turned on.
- the oxidizing agent replenishing section 1 2 1 includes a fan 13 1 rotated by a fan motor 13 1 A, a solenoid valve 13 3 having a plunger 13 2, and a lens barrel. It is composed of a lens barrel 134 that is moved forward and backward by a motor 134A.
- the oxidizing agent replenishing unit 121 is provided with a manual valve 135 instead of the electromagnetic valve 133 shown in FIG. The principle of replenishment of the oxidizing agent by the oxidizing agent replenishing unit 121 will be described later.
- FIG. 12 is a diagram showing a display example on the display unit 118 of FIG.
- the mark 150 displayed on the display section 118 is a display indicating the remaining amount of the fuel cell over time
- the mark 170 is a display indicating the frame count of the camera 101.
- the display unit 118 displays the status of the fuel cell 112 (for example, when the status of the fuel cell 112 is displayed based on an input from the user to the input unit 110)
- the mark 1 50 is used to indicate the remaining amount of fuel (fuel such as hydrogen, methanol, hydrocarbons, etc. in fuel cell 112)
- mark 170 is used to indicate lack of oxidizer .
- the mark indicating the lack of oxidizer is also used as the display (number) indicating the number of frames of the camera 101, but for example, it is also used as the calendar (number) displayed on the display section 118.
- a dedicated display indicating a shortage of the oxidizing agent may be provided.
- a mark 151 is also displayed instead of the mark 150 as shown in FIG.
- the mark 150 When the mark is a display indicating the remaining amount of time in the fuel cell, the mark 150 indicates that the remaining amount of fuel in the fuel cell 112 is large, and the mark 1501 indicates the remaining amount in the fuel cell 1 1 2 Indicates that the time remaining amount is small.
- the mark 15 1 indicates that there is no fuel remaining (below the reference value).
- step S21 the microcomputer 111 causes the voltage detection unit 114 to detect the generated voltage of the fuel cell 112, and acquires the generated voltage detected by the voltage detection unit 114.
- step S22 the microcomputer 111 determines whether or not the generated voltage acquired from the voltage detector 114 is smaller than a predetermined voltage reference value V.
- the microphone computer 111 stores a predetermined voltage reference value V in a built-in memory (not shown) in advance. If it is determined in step S22 that the generated voltage is not smaller (larger) than the predetermined voltage reference value V, the microcomputer 111 determines that the state of the fuel cell 111 is normal, The process advances to step S23 to display on the display section 118 that the fuel cell 112 is normal. In other words, the determination of normal is made only by the determination based on the voltage. At this time, a display as shown in FIG. 15 is made on the display unit 118. The mark 150 is displayed on the display section 118 of FIG. Thereby, it is possible to indicate to the user that the fuel cell 112 is normal.
- step S22 When it is determined in step S22 that the generated voltage is smaller than the predetermined voltage reference value V, the process proceeds to step S24, where the microcomputer 111 sends the fuel remaining amount detection unit 113 to the fuel remaining amount detection unit 113.
- the remaining fuel amount of the fuel cell 112 is detected, and the remaining fuel amount detected by the remaining fuel detecting unit 113 is acquired.
- step S25 the microcomputer 111 determines whether or not the remaining fuel amount obtained from the remaining fuel detecting unit 113 is larger than a predetermined fuel reference value F.
- the microcomputer 111 stores a predetermined fuel reference value F in a built-in memory in advance. If it is determined in step S25 that the remaining fuel amount is not larger (smaller) than the predetermined fuel reference value F, the microcomputer 111 determines that the state of the fuel cell 112 is insufficient. Then, the process proceeds to step S26, and the display unit 118 displays that the fuel of the fuel cell 112 is insufficient. At this time, a display as shown in FIG. 16 is made on the display unit 118.
- the mark 1 5 1 is displayed on the display 1 1 18 in FIG. As a result, it is possible to indicate to the user that the fuel of the fuel cell 112 is insufficient. That is, this fuel shortage determination is made when both the voltage and the fuel are smaller than the reference values.
- step S25 If it is determined in step S25 that the remaining fuel amount is greater than the predetermined fuel reference value F, the process proceeds to step S27, where the microcomputer 111 sends the oxidant concentration detection unit 115 to Then, the oxidizing agent concentration of the fuel cell 112 is detected, and the oxidizing agent concentration detected by the oxidizing agent concentration detecting unit 115 is acquired.
- step S28 the microcomputer 111 determines whether or not the oxidant concentration acquired from the oxidant concentration detector 115 is larger than a predetermined oxidant concentration reference Z.
- the microcomputer 111 stores a predetermined oxidant concentration reference Z in a built-in memory in advance. If it is determined in step S28 that the oxidant concentration is not larger (smaller) than the predetermined oxidant concentration standard Z, The computer 1 1 1 1 determines that the state of the fuel cell 1 1 2 is insufficient for the oxidant, advances the process to step S 29, and displays the oxidant of the fuel cell 1 1 2 on the display 1 1 8. Display that is insufficient. At this time, a display as shown in FIG. 17 is made on the display section 118.
- a mark 150 and a mark 170 are displayed on the display section 118 of FIG. With this, it is possible to indicate to the user that the oxidizer in the fuel cell 112 is insufficient (there is a fuel remaining in the fuel cell 112 but the oxidizer is insufficient). . That is, the determination that the oxidizer is insufficient is performed when the voltage is lower than the reference value, the fuel remaining amount is higher than the reference value, and the oxidizer is lower than the reference value.
- the microcomputer 111 causes the oxidizing agent replenishing unit 121 to execute an oxidizing agent supply process. This processing will be described later with reference to FIGS. 19 to 29. This replenishes the fuel cells 112 with an oxidant (in this case, oxygen).
- step S28 If it is determined in step S28 that the oxidizer concentration is greater than the predetermined fuel reference value F, the process proceeds to step S31, where the microcomputer 111 determines that the state of the fuel cell 112 is It is determined that the battery unit is abnormal, and the display unit 118 displays that the battery unit is abnormal. At this time, the microcomputer 111 flashes the display shown in FIG. 18 on the display unit 118 (the flashing mark 151 and the mark 170). ). As a result, the user is warned of an abnormality in the battery unit.
- the mark 151 and the mark 170 are displayed, and the mark 151 and the mark 170 are blinking.
- the user is in an abnormal state of the fuel cell 1 1 2 (the battery section in which the fuel cell 1 1 2 is stored) (there is also a fuel in the fuel cell 1 12 and a shortage of oxidant). It is abnormal because the generated voltage is low.)
- step S23 After the processing in step S23, after the processing in step S26, after the processing in step S30, or after the processing in step S31, the processing is terminated.
- the voltage generated in the fuel cell 112 the remaining fuel amount, and the oxidant concentration are detected, so that it is possible to determine that the fuel cell is abnormal.
- a mark 150 (mark 15 1) corresponding to the fuel cell temporal remaining amount display on the display section 118 and a display (mark 170 0) corresponding to the frame count of the camera 101 are displayed. Is used to display the state of the fuel cell 112 on the display section 118, so that the state of the fuel cell 112 can be displayed without providing special display means.
- the oxidizing agent when it is determined that the oxidizing agent is insufficient, the oxidizing agent can be supplied to the fuel cells 112 (step S30). Thereby, the oxidant concentration can be increased.
- FIG. 19 is a flowchart illustrating an example of an oxidizing agent supply process using a lens barrel. This process is executed as the process of step S30 in FIG.
- step S41 the microcomputer 111 determines whether or not the oxidant supply start switch 120 is turned on. The oxidant supply start switch 120 is turned on or off by the user. The user turns on when allowing oxidant replenishment, and turns off when not allowing oxidant replenishment. If it is determined in step S41 that the oxidant supply start switch 120 has been turned on, the process proceeds to step S42, where the microcomputer 111 constitutes the oxidant supply unit 122. It is determined whether or not the lens barrel 1 3 4 to be retracted is collapsed.
- step S42 If it is determined in step S42 that the lens barrel 13 4 is retracted, the process proceeds to step S43, where the microcomputer 1111 controls the lens barrel motor 1 of the oxidant supply section 12 1 34 A is controlled, and the lens barrel 134 is extended (moved from the state shown by the solid line (retracted state) in FIG. 20 to the state shown by the broken line (extended state)).
- a lens barrel 134 having a lens 190 therein is provided at the center of the front (lower surface in the figure) of the camera 101 so as to be able to advance and retreat.
- a vent hole 191 is provided on the left side of the camera 101 in the drawing, and outside air flows into and out of the camera 101 through the vent hole 191.
- the vent hole 191 is on the left side in FIG. 20 of the camera 101, but the vent hole 191 may be located at a place other than the left side. '
- New air can be supplied to one fuel cell 1 1 2.
- step S43 the process proceeds to step S44, in which the microcomputer 1 1 1 1 controls the lens barrel motor 1 3 4 A of the oxidizing agent supply section 1 2 1 and the lens barrel 1 3 4 Specifically, the lens barrel 13 4 force From the state shown by the broken line in FIG. 20 (the state in which the lens barrel 13 4 is extended), the state shown by the solid line (the lens barrel 13 4 is collapsed) State).
- step S45 the microcomputer 111 determines whether or not the operation of extending and retracting the lens barrel 134 has been performed a predetermined number of times. The extension and retraction of the lens barrel 1 3 4 has not been performed a predetermined number of times. If it is determined that the process has not been performed, the process returns to step S43, and the subsequent processes are repeated. In other words, the operation of pulling out and retracting the lens barrels 13 4 is repeated (performed a predetermined number of times), and air flows in and out through the vent holes 191.
- the air inside the camera 101 is ventilated by performing the extending and retracting operations of the lens barrels 13 4 a predetermined number of times. As a result, new air can be supplied to the fuel cell 112 inside the battery chamber 119.
- step S42 If it is determined in step S42 that the lens barrel 134 has not collapsed (when the lens 101 is in use), the process proceeds to step S46, and the microcomputer 1 1 1 Stores the current position of the lens barrel 134 in an internal memory.
- step S47 the microphone opening computer 1 1 1 1 controls the lens barrel motor 13 4 A to retract the lens barrel 13 4.
- the lens barrel 134 changes from the state shown by the broken line in FIG. 20 to the state shown by the solid line.
- step S48 the microcomputer 111 controls the lens barrel motor 134A to extend the lens barrel 134.
- the lens barrel 134 changes from the state shown by the solid line in FIG. 20 to the state shown by the broken line.
- step S47 and step S48 the lens barrel 13 4 is retracted and extended, so that the air inside the camera 101 flows through the vent hole 19 1. Get in and out. As a result, new air can be supplied to the fuel cell 112 of the camera 101.
- step S49 the microcomputer 111 determines whether the movement of the lens barrel 134 has been performed a predetermined number of times. If it is determined that the operation of moving in and out of the lens barrel 13 4 has not been performed a predetermined number of times, the process returns to step S 47, and the subsequent processes are repeated. That is, the retraction and extension of the lens barrel 13 4 are repeated (performed a predetermined number of times), and air flows in and out through the vent hole 19 1 (the air in the camera 101). Flows in and out).
- step S49 when it is determined that the retraction and extension operations of the lens barrel 13 4 have been performed a predetermined number of times, the process proceeds to step S50, and the microcomputer 11 1
- the motor 1334A is controlled to return the position of the lens barrel 134 to the lens barrel position stored by the processing in step S46. As a result, the position of the lens barrel 134 returns to the position before the processing of steps S47 to S49.
- step S41 If it is determined in step S41 that the oxidant supply start switch 120 is off, the processing from step S42 to step S50 is skipped, and the processing ends. Further, if it is determined that the operation of extending and retracting the lens barrel 13 4 has been performed a predetermined number of times by the processing of step S45, or after the processing of step S50, the processing is ended. .
- the microcomputer 111 moves the lens barrel 134 of the oxidant supply unit 121 to ventilate the air inside the camera 101, and the oxygen (oxygen) Air) into the camera 101 (in the battery compartment 1 19).
- the fuel cell 1 1 2 performs power generation operation using the oxygen in the air.
- the microcomputer 111 stores the position of the lens barrel 134 before executing the oxidant supply process, and returns to the position where the lens tube 134 is stored after the oxidant supply process is completed. Because of this, the ventilation operation does not interfere with the original photographing operation of the camera 101.
- the same operation and effect can be obtained by fixing the lens barrel 134 and moving the lens 190 inside the lens barrel 134 forward and backward.
- an oxidizing agent permeable membrane 117 can be provided on the right side (inside of the camera 101) of the ventilation hole 191 of FIGS. 20 and 21 in the figure. This can prevent water from entering.
- FIG. 22 and FIG. 23 show another configuration example of the oxidizing agent replenishing unit 121.
- a piezoelectric speaker 200 is provided on the right side in FIG. 22 or FIG. 23 of the vent hole 91 1 and the oxidizing agent permeable membrane 117 of FIGS. ing.
- a hole 201 is formed on the outer periphery of the frame 202 for mounting the speaker 200.
- the internal space of the camera 101 communicates with the outside through the hole 201, the oxidant permeable membrane 117, and the vent hole 191. Internal air flows in and out.
- the speaker 200 is provided at a position corresponding to the air hole 191, but this is not a limitation, and the speaker 200 is not limited to this. Microphones may be provided at different positions.
- the vibration of the speaker 200 or the diaphragm of the microphone allows the air of the camera 101 to flow into and out of the outside.
- a substantially cylinder-shaped base 2 12 is arranged, and the base 2 12 has a vent hole 9 1 1 that communicates the internal space of the camera 101 with the outside. S is provided, and air flows into and out of the camera 101 through the vent hole 19 1.
- a valve 2 13 is provided on the right side (inside the base 2 1 2) of the air hole 1 91 in the figure, and the valve 2 13 is provided so that the spring 2 10 It is energized. The plunger 13 2 urges the valve 2 13 rightward in the drawing against the urging force of the spring 210 to open the air hole 19 1.
- the plunger 13 2, the panel 21, and the valve 21 form an electromagnetic valve 13 3.
- the space inside the camera 101 is connected to the base 2 12 via the space inside the base 2 12 and the ventilation hole 19 1.
- a hole 2 11 communicating with the outside is provided.
- a fan 1331 rotated by a fan motor 13A is provided inside the camera 101 to ventilate the air inside the camera 101.
- the fan 13 1 rotates when the valve 2 13 of the solenoid valve 13 3 opens the ventilation hole 19 1.
- FIG. 25 is a flowchart illustrating the oxidant supply process in the configuration example of FIG. 24. This process is executed as the process of step S30 in FIG.
- the microcomputer 111 determines whether or not the oxidant supply start switch 120 is turned on.
- the oxidant supply start switch 120 is turned on or off by the user. The user turns on when allowing oxidant replenishment, and turns off when not allowing oxidant replenishment.
- step S71 If it is determined in step S71 that the oxidant supply start switch 120 is turned on, the process proceeds to step S72, in which the microcomputer 1111 sets the plunger 1 of the solenoid valve 13 By driving 32, the valve 2 13 is moved rightward in FIG. 24 against the urging force of the panel 210. As a result, the external space communicates with the internal space of the camera 101 via the air hole 191, the internal space of the base 21 and the internal hole 21.
- step S73 the microphone port computer 111 drives the fan motor 131A to rotate the fan 131. This allows the outside air to flow into the camera 101 through the space inside the vent hole 191, the space inside the base member 21 and the hole 211, or the camera 1 through the reverse route. 0
- step S74 the air inside 1 is exhausted to the outside.
- the microphone computer 1 1 1 1 determines whether a predetermined time has elapsed since the fan 13 1 was rotated. No (whether a predetermined time has elapsed after executing the processing of step S72 and step S73) Is determined. If it is determined that the predetermined time has not yet elapsed, the process waits until the predetermined time has elapsed.
- step S74 If it is determined in step S74 that the predetermined time has elapsed, the process proceeds to step S75, in which the microcomputer 111 stops driving the plunger 1332. As a result, according to the biasing force of the panel 210, the valve 213 is moved to the left in FIG. 24 to close the vent 191. As a result, the camera 101 is in a closed state, and the outside air does not flow in and out.
- step S75 the process proceeds to step S76, in which the microcomputer 1111 stops driving the fan motor 1311A, stops the rotation of the fan 131, and The process ends. If it is determined in step S71 that the oxidant supply start switch has been turned off, the processing in steps S72 to S76 is skipped.
- the user can turn on the oxidant supply start switch 120 to rotate the fan 131 and supply air to the camera 101 by the processing of FIG.
- FIG. 26 shows still another example of the configuration of the oxidant trapping section 121.
- the solenoid valve 13 3 in FIG. 24 is a manual valve 13 5. That is, in addition to omitting the plunger 13 in FIG. 24, the left side of the valve 2 13 (outside of the camera 101) is provided with a button 2 so as to protrude outward from the camera 101. 13 A is provided.
- valve 2 13 formed integrally with the button 2 13 A resists the urging force of the spring 2 10 Move to the right in the figure to open the ventilation holes 19 1.
- the valve 2 13 moves to the left in the figure according to the biasing force of the spring 210 and closes the ventilation hole 19 1.
- a switch that is turned on or off in response to the operation of the button 2 13 A is provided, and a signal from the switch is input to the microcomputer 11 1.
- FIG. 27 is a flowchart illustrating the oxidant supply process in the configuration example of FIG. This process is executed as the process of step S30 in FIG.
- the microcomputer 1 11 determines whether the valve 2 13 of the manual valve 3 5 is open (that is, whether the button 21 3 A is pressed (whether the corresponding switch is turned on)). Judge) whether or not.
- step S91 If it is determined in step S91 that the valve 2 13 of the manual valve 1 35 is open, the process proceeds to step S92, and the microphone port computer 1 1 1 drives the fan motor 13 1 A And rotate fan 1 3 1.
- the valve 2 13 of the manual valve 1 3 5 When the valve 2 13 of the manual valve 1 3 5 is opened, the external air flows through the vent 1 9 1, the space inside the base 2 1 2 and the hole 2 1 1, and the camera 1 0 Communicates with the space inside 1.
- the fan 13 1 when the fan 13 1 is rotated, external air flows into and out of the camera 101 through the air hole 19 1, the space inside the base 21 2, and the path of the hole 21 1. The force inside the camera 101 or the air inside the camera 101 is exhausted to the outside in the reverse path.
- step S92 After the process in step S92, the process returns to step S91, and the subsequent processes are repeated. That is, while the valve 21 of the manual valve 13 5 is open (that is, while the button 21 A is being pressed), the fan 13 1 is rotated and the camera 1 ⁇ 1 air is ventilated.
- step S91 If it is determined in step S91 that the valve 2 13 of the manual valve 1 35 is closed (that is, the button 113 A is not pressed), the process proceeds to step S 93. Then, the microphone port computer 1 1 1 1 stops driving the fan motor 13 1 A, stops the rotation of the fan 1 3 1, and ends the processing. In this way, when the oxidant is insufficient, the user presses the button 2 13 A attached to the valve 2 13 of the manual valve 1 3 5, and the fan 1 1 3 Rotate 1 to supply air to camera 1 ⁇ 1.
- the fan 131 may also be used as a built-in fan provided in the camera 101 in advance.
- the fan motor 13 1 A of the fan 13 1 may be a dedicated motor, it may be used as a lens barrel motor 13 4 A (the lens barrel motor 13 34 A shown in FIG. As shown in FIG. 8 and FIG. 29, it may also be used as a feed motor.
- the rotation axis of the fan 13 1 is connected to the gear 240.
- the sun gear 244 is coaxially coupled to the feed motor 251, and the sun gear 244 is combined with the planet gear 241.
- Gear 240 is engaged with planet gear 2 41.
- the sun gear 244 is rotated (rotated) clockwise in the figure by the feed motor 251, the planetary gear 244 is rotated clockwise while rotating counterclockwise in the figure. Revolve.
- the planetary gear 2 41 is engaged with the winding system 2 42, and the winding system 2 42 winds the film (not shown).
- the rotation axis of the fan 13 1 is connected to the gear 260.
- a planetary gear 261, a hoisting system 262, a rewinding system 263, and a solar system 264 are provided.
- the rotation of the feed motor 265 is transmitted from the coaxial gear 271 to the solar gear 264 via the gear 272, the gear 273, and the gear 274, and Transmitted to gear 2 60 through gear 2 7 5 ing.
- Yu Review gears 2 6 1 is ⁇ gear ( ⁇ up system 2 6 2 or wind-back system 2 6 3) Rotate.
- the gear 260 rotates
- the fan 1331 rotates. Thereby, the fan 1311 can be rotated together with the driving of the feed motor 265 ⁇ ).
- the generated voltage of the fuel cell 112 the remaining fuel amount, and the oxidant concentration are detected, so that the state of the fuel cell can be accurately determined. Also, if it is determined that the fuel cell 112 is deficient in oxidant (as needed), the oxidant can be supplied automatically or manually. Thereby, the oxidant concentration can be increased.
- the oxidizing agent replenishment process may be performed by moving the lens barrel 134 as shown in FIGS. 19 and 20, or by moving the lens 190 as shown in FIG. 21. It may be the one that causes it. Further, a speaker 200 as shown in FIGS. 22 and 23 may be provided. Further, a solenoid valve 1333 as shown in FIGS. 24 and 25 may be provided, or a fan 1331 may be added. Further, as shown in FIG. 26 and FIG. 27, a manual valve 135 may be provided, or a fan 131 may be added.
- the oxidant supply start switch 120 is provided, and the supply is started by turning on the oxidant supply start switch 120, but it is determined that the oxidizer is insufficient. In this case (if NO in step S28 in FIG. 14), the oxidant supply process may be started automatically.
- the oxidizing agent permeable membrane 117 may not be provided, and only the ventilation hole 191 may be provided.
- the solenoid valve 13 3 is provided.
- a magnet valve or the like may be used, or any other structure may be used as long as the hole (for example, the vent 1991) can be opened and closed.
- the case where the present invention is applied to a camera has been described as an example.
- the present invention can also be applied to digital cameras other than cameras and other portable electronic devices. Note that, in this specification, steps to describe a computer program are not only processes performed in chronological order according to the order described, but also processes performed in parallel or individually even if not necessarily performed in chronological order. Is also included. Industrial applicability
- the state of the fuel cell can be determined.
- an abnormality in the fuel cell can be accurately determined and displayed.
- the state of the fuel cell can be determined.
- an oxidant can be supplied to the fuel cell as needed.
- the state of the fuel cell can be determined.
- an oxidant can be supplied to the fuel cell.
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003292646A AU2003292646A1 (en) | 2003-01-08 | 2003-12-26 | Electronic apparatus and its operation controllig method |
US10/539,778 US20060099468A1 (en) | 2003-01-08 | 2003-12-26 | Electronic device and electronic device operating control method |
US12/603,044 US7955747B2 (en) | 2003-01-08 | 2009-10-21 | Electronic device and electronic device operating control method |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003001762A JP4438292B2 (ja) | 2003-01-08 | 2003-01-08 | 電子機器および電子機器の動作制御方法 |
JP2003-001761 | 2003-01-08 | ||
JP2003-001762 | 2003-01-08 | ||
JP2003001761A JP4449304B2 (ja) | 2003-01-08 | 2003-01-08 | 電子機器および電子機器の動作制御方法 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
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US10/539,778 A-371-Of-International US20060099468A1 (en) | 2003-01-08 | 2003-12-26 | Electronic device and electronic device operating control method |
US12/603,044 Continuation US7955747B2 (en) | 2003-01-08 | 2009-10-21 | Electronic device and electronic device operating control method |
Publications (1)
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WO2004064188A1 true WO2004064188A1 (ja) | 2004-07-29 |
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ID=32716359
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2003/016926 WO2004064188A1 (ja) | 2003-01-08 | 2003-12-26 | 電子機器および電子機器の動作制御方法 |
Country Status (3)
Country | Link |
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US (2) | US20060099468A1 (ja) |
AU (1) | AU2003292646A1 (ja) |
WO (1) | WO2004064188A1 (ja) |
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JP2009016270A (ja) * | 2007-07-06 | 2009-01-22 | Toshiba Corp | 電子機器 |
Citations (7)
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JPH03276576A (ja) * | 1990-03-26 | 1991-12-06 | Fuji Electric Co Ltd | 加圧式燃料電池発電システム |
EP0982788A2 (en) * | 1998-08-21 | 2000-03-01 | General Motors Corporation | Method and apparatus for safeguarding fuel cells against reverse polarization damage |
JP2001273915A (ja) * | 2000-03-28 | 2001-10-05 | Osaka Gas Co Ltd | 燃料電池 |
JP2002020101A (ja) * | 2000-07-04 | 2002-01-23 | Honda Motor Co Ltd | 水素供給システム |
JP2002056852A (ja) * | 2000-08-11 | 2002-02-22 | Sony Corp | 電気エネルギー発生システム |
JP2002081331A (ja) * | 2000-06-26 | 2002-03-22 | Toyota Motor Corp | ハイブリッド式駆動源を備える移動体 |
JP2002373684A (ja) * | 2001-06-18 | 2002-12-26 | Yamaha Motor Co Ltd | 燃料電池システム |
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JPH09236641A (ja) | 1995-12-28 | 1997-09-09 | Yazaki Corp | バッテリー残量容量計測装置 |
JP2000046587A (ja) | 1998-07-31 | 2000-02-18 | Equos Research Co Ltd | 燃料電池車輌用の表示装置 |
US6461751B1 (en) * | 1999-12-06 | 2002-10-08 | Ballard Power Systems Inc. | Method and apparatus for operating a fuel cell |
JP5074648B2 (ja) | 2000-05-23 | 2012-11-14 | キヤノン株式会社 | 二次電池の内部状態検知方法、検知装置、該検知装置を備えた機器、内部状態検知プログラム、および該プログラムを収めた媒体 |
JP3709977B2 (ja) | 2000-06-26 | 2005-10-26 | 日産自動車株式会社 | 水素センサおよびそれを用いた水素濃度測定方法 |
JP4281315B2 (ja) * | 2001-10-02 | 2009-06-17 | ソニー株式会社 | 燃料流体用継ぎ手 |
-
2003
- 2003-12-26 US US10/539,778 patent/US20060099468A1/en not_active Abandoned
- 2003-12-26 AU AU2003292646A patent/AU2003292646A1/en not_active Abandoned
- 2003-12-26 WO PCT/JP2003/016926 patent/WO2004064188A1/ja active Application Filing
-
2009
- 2009-10-21 US US12/603,044 patent/US7955747B2/en not_active Expired - Fee Related
Patent Citations (7)
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JPH03276576A (ja) * | 1990-03-26 | 1991-12-06 | Fuji Electric Co Ltd | 加圧式燃料電池発電システム |
EP0982788A2 (en) * | 1998-08-21 | 2000-03-01 | General Motors Corporation | Method and apparatus for safeguarding fuel cells against reverse polarization damage |
JP2001273915A (ja) * | 2000-03-28 | 2001-10-05 | Osaka Gas Co Ltd | 燃料電池 |
JP2002081331A (ja) * | 2000-06-26 | 2002-03-22 | Toyota Motor Corp | ハイブリッド式駆動源を備える移動体 |
JP2002020101A (ja) * | 2000-07-04 | 2002-01-23 | Honda Motor Co Ltd | 水素供給システム |
JP2002056852A (ja) * | 2000-08-11 | 2002-02-22 | Sony Corp | 電気エネルギー発生システム |
JP2002373684A (ja) * | 2001-06-18 | 2002-12-26 | Yamaha Motor Co Ltd | 燃料電池システム |
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US20060099468A1 (en) | 2006-05-11 |
US20100086816A1 (en) | 2010-04-08 |
AU2003292646A1 (en) | 2004-08-10 |
US7955747B2 (en) | 2011-06-07 |
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