Abstract: An electronic accessory apparatus and audible signal transmission method thereof are provided. The electronic accessory apparatus includes a type C USB connector, a first switch circuit, a second switch circuit, a grounding switch circuit and a first channel selector. The type C USB connector has a plurality of data pin sets, a first ground pin, and a second ground pin. The first switch circuit transports a data signal set or an audible output signal set to a first selected data pin set according to a first control signal. The second switch circuit transports the audible output signal set to the first selected data pin set according to the first control signal. The grounding switch circuit is turned on or cut off according to a second control signal. The first channel selector sets a signal transmission relation between the first audible input signal set and the first and second ground pins.

Abstract: An electronic apparatus and a method for providing a sound system of the electronic apparatus are provided herein. The electronic apparatus has a housing, a speaker and a bracket. The housing has a space and a channel, which is coupled to the space. The speaker is placed in the space. The bracket has a first end coupled to the channel and is movable relative to the housing. A sound mode of the electronic apparatus may be switched from a first mode to a second mode by positioning a second end of the bracket from a first position in the channel to a second position away from the channel.

Abstract: Electronic device, accessory, and method for detecting an accessory are provided. The electronic device includes a connector, a control unit, and an audio processing unit. The connector is configured to connect to an accessory and has an audio contact. The control unit has first and second terminals, which are coupled to the audio contact. The control unit is configured to send a command, which is represented by a first serial digital signal, to the accessory through the first terminal and audio contact when the accessory is electrically connected to the connector, and to receive accessory data, which is represented by a second serial digital signal and generated by the accessory in response to the command, through the second terminal and audio contact. The audio processing unit is coupled between the audio contact and control unit, and configured to receive an audio signal from the accessory through the audio contact.

Abstract: An audio signal measurement method for a speaker and an electronic apparatus having the speaker are provided. The electronic apparatus further has a processing circuit and a power amplifier. The processing circuit is coupled to the speaker and configured to execute a time domain to frequency domain transform according to a voltage value of an audio signal and a current value of current feedback from the speaker so as to obtain a frequency response curve. The power amplifier is coupled to the speaker and configured to drive the speaker according the voltage value of the audio signal. The processing circuit is capable of determining whether the frequency response curve is located within a predetermined area such that the processing circuit generates a signal when the frequency response curve is located out of the predetermined area. Thereby, the electronic apparatus may measure its transducer distortion and acoustic box leakage.

Abstract: An audio jack for receiving an audio plug includes a connection hole with a position detection portion and a first audio channel contact portion therein. When the audio plug is inserted into the connection hole to the linking position, a first audio channel connection portion of the audio plug contacts the position detection portion and the first audio channel contact portion. The position detection portion and the first audio channel contact portion respectively have a first distance and a second distance to an opening of the connection hole, wherein the second distance is smaller than the first distance.

Abstract: An audio signal measurement method for a speaker and an electronic apparatus having the speaker are provided. The electronic apparatus further has a processing circuit and a power amplifier. The processing circuit is coupled to the speaker and configured to execute a time domain to frequency domain transform according to a voltage value of an audio signal and a current value of current feedback from the speaker so as to obtain a frequency response curve. The power amplifier is coupled to the speaker and configured to drive the speaker according the voltage value of the audio signal. The processing circuit is capable of determining whether the frequency response curve is located within a predetermined area such that the processing circuit generates a signal when the frequency response curve is located out of the predetermined area. Thereby, the electronic apparatus may measure its transducer distortion and acoustic box leakage.

Abstract: An audio jack for receiving an audio plug includes a connection hole with a position detection portion and a first audio channel contact portion therein. When the audio plug is inserted into the connection hole to the linking position, a first audio channel connection portion of the audio plug contacts the position detection portion and the first audio channel contact portion. The position detection portion and the first audio channel contact portion respectively have a first distance and a second distance to an opening of the connection hole, wherein the second distance is smaller than the first distance.

Abstract: A portable electronic apparatus and a connection method therefore are disclosed. The portable electronic apparatus comprises a connector, a processing circuit, and a switch module. After a plug is plugged into the connector, the processing circuit reads a voltage value of the plug via the switch module. When determining that the voltage value of the plug is within a first voltage range, the processing circuit outputs switch signals to the switch module, so that an input signal of the plug is able to be transmitted to the processing circuit via the connector and the switch module. When determining that the voltage value of the plug is within a second voltage range, the processing circuit outputs other switch signals to the switch module, so that an output signal of the processing circuit is able to be transmitted to the plug via the switch module and the connector.

Abstract: The present invention relates to a catalyst composition, a method for fabricating the same and a fuel cell including the same. The catalyst composition provided by the present invention includes: a catalyst carrier; and a metal solid solution, disposed on the surface of the catalyst carrier, in which the metal solid solution includes palladium and a second metal, and the second metal is selected from the group consisting of gold, platinum, ruthenium, nickel, silver and manganese. Accordingly, the catalyst composition provided by the present invention can exhibit excellent catalytic characteristics, and can be applied in a fuel cell to enhance the electrochemical properties and stability of the fuel cell.

Abstract: An electronic apparatus and a method for providing a sound system of the electronic apparatus are provided herein. The electronic apparatus has a housing, a speaker and a bracket. The housing has a space and a channel, which is coupled to the space. The speaker is placed in the space. The bracket has a first end coupled to the channel and is movable relative to the housing. A sound mode of the electronic apparatus may be switched from a first mode to a second mode by positioning a second end of the bracket from a first position in the channel to a second position away from the channel.

Abstract: A one dimension nano magnetic wire is introduced herein. The one dimension nano magnetic wire is selected from the groups consisting of Fe, Co, Ni, and combinations and an alloy thereof. The one dimension nano magnetic wire is covered with a protection layer.

Abstract: A manufacturing method of one dimension nano magnetic wires is provided. In the method, the one dimension nano magnetic wires having high magnetization and low coercive force are synthesized from a liquid by means of reduction with an applied magnetic field under normal atmospheric temperature and pressure. The one dimension nano magnetic wire is selected from the groups consisting of iron (Fe), cobalt (Co), nickel (Ni), and composites and an alloy thereof.

Abstract: The present invention relates to a catalyst composition, a method for fabricating the same and a fuel cell including the same. The catalyst composition provided by the present invention includes: a catalyst carrier; and a metal solid solution, disposed on the surface of the catalyst carrier, in which the metal solid solution includes palladium and a second metal, and the second metal is selected from the group consisting of gold, platinum, ruthenium, nickel, silver and manganese. Accordingly, the catalyst composition provided by the present invention can exhibit excellent catalytic characteristics, and can be applied in a fuel cell to enhance the electrochemical properties and stability of the fuel cell.

Abstract: A method of fabricating carbon nanotube complex is disclosed, which comprises, (A) dispersing carbon nanotubes in a solvent; (B) adding a filler to the above solution to give a precursor solution; (C) performing light illumination on the precursor solution; (D) washing the solution after light exposure; and (E) drying to evaporate the solvent contained in the solution. Therefore, the carbon nanotube complex of the present invention is obtained.

Abstract: A hybrid catalyst is disclosed, which has a structure of Pt/oxygen-donor/carbon-nanotube. The hybrid catalyst has a superior electrochemical characteristic and high carbon monoxide conversion efficiency even in a low reacting temperature, and thus is useful at detoxification of carbon monoxide. Besides, the oxygen-donor utilized in the present invention is cheap and is commercially reachable, therefore the hybrid catalyst of the present invention is advantageous in commercial usage. Also, a method of fabricating the above hybrid catalyst and a fuel cell comprising the above hybrid catalyst are disclosed.

Abstract: A method of fabricating carbon nanotube complex is disclosed, which comprises, (A) dispersing carbon nanotubes in a solvent; (B) adding a filler to the above solution to give a precursor solution; (C) performing light illumination on the precursor solution; (D) washing the solution after light exposure; and (E) drying to evaporate the solvent contained in the solution. Therefore, the carbon nanotube complex of the present invention is obtained.

Abstract: A portable electronic apparatus and a connection method therefore are disclosed. The portable electronic apparatus comprises a connector, a processing circuit, and a switch module. After a plug is plugged into the connector, the processing circuit reads a voltage value of the plug via the switch module. When determining that the voltage value of the plug is within a first voltage range, the processing circuit outputs switch signals to the switch module, so that an input signal of the plug is able to be transmitted to the processing circuit via the connector and the switch module. When determining that the voltage value of the plug is within a second voltage range, the processing circuit outputs other switch signals to the switch module, so that an output signal of the processing circuit is able to be transmitted to the plug via the switch module and the connector.

Abstract: A manufacturing method of one dimension nano magnetic wires is provided. In the method, the one dimension nano magnetic wires having high magnetization and low coercive force are synthesized from a liquid by means of reduction with an applied magnetic field under normal atmospheric temperature and pressure. The one dimension nano magnetic wire is selected from the groups consisting of iron (Fe), cobalt (Co), nickel (Ni), and composites and an alloy thereof.