Abstract: The present invention provides a wireless microphone device which comprises a casing, an antenna element and a transceiver. A concave recession is formed on a side surface of the casing. One end of the antenna element is disposed on a bottom surface of the concave recession, and the other end of the antenna element is extending upwardly with an oblique angle relative to the side surface. The transceiver is disposed inside the casing, and transmits or receives a microphone signal by the antenna element. Consequently, according to the present invention, the wireless microphone with the obliquely disposed antenna element can avoid the radio wave from being blocked or absorbed by a user's body, and thereby the efficiency of the antenna element receiving or transmitting the radio wave would not be reduced.

Abstract: A bidirectional wireless microphone system with an automatic login function comprises at least one wireless microphone, a base station and a data processing unit. The wireless microphone and the base station are able to wirelessly communicate with and transmit data, such as a sound signal, coordinate position or image, to each other. The data processing unit is connected to the base station to store and process the data transmitted between the wireless microphone and the base station. While the wireless microphone completes a process of registration to the base station by engaging a first registration contact on the wireless microphone with a corresponding second registration contact on the base station, a process of logging in to the data processing unit, which can be, for example, a computer or an application program, is completed at the same time to thereby simplify the registration and login process and save operating time.

Abstract: A bidirectional wireless transmission and communication system is disclosed, including a base station, a wireless microphone and an external control device. A bidirectional wireless transmission and communication may be performed between the wireless microphone and the base station. The external control device is connected to the wireless microphone wirelessly or via a cable for controlling the wireless microphone via at least one push button on the external control device. The external control device is also provided with at least one light-emitting element to show the function operating state of the wireless microphone. The wireless microphone is internally provided with a global positioning system and a G-sensor for locating the coordinates of the wireless microphone under different situations.

Abstract: The present invention discloses a wireless microphone system and a method of signal synchronization thereof, which comprises the following steps: receiving or transmitting a first channel wireless signal to at least one first wireless microphone through a first base station; receiving or transmitting a second channel wireless signal to at least one second wireless microphone through a second base station; and controlling a slave base station through a master base station, such that the first and the second channel wireless signals are synchronously received or transmitted. When any one of the base stations is not received a beacon for a duration of time, the base stations automatically switch to be the master base station and start to transmit the beacon. When other base stations receive the beacon, they switch back to be the slave base stations and use the received beacon as the basis of synchronization time correction.

Abstract: A fan control system includes a power source, a switch control circuit, a switch control signal delivering unit and a fan circuit module. The power source outputs a nominal power, the switch control circuit electrically connects to the power source, the switch control signal delivering unit electrically connects to the switch control circuit and can send a power control signal to the switch control circuit, and the fan circuit module electrically connects to the switch control circuits. In an initial operation state, the nominal power output from the power source can be reduced to a control power sending to the fan circuit module via the switch control circuit to drive at least one fan within the fan circuit module, and then the power control signal controls the control power after the switch control signal delivering unit sends the power control signal to the switch control circuit.

Abstract: A three-dimensional display apparatus includes a case, illuminators, a first mirror, a diffractive optical element and a second mirror. The case can contain an object for display, and includes a movable leaf operable to open and close the case. The illuminators are located around the case for emitting light onto the object. The first mirror is disposed in the case for carrying the weight of the displayed object and reflecting light reflected by the object. The diffractive optical element is located on the case and formed with cells each including portions of regularly changing thicknesses for diffracting the light reflected by the first mirror. The second mirror is located on the diffractive optical element for reflecting the light diffracted by the diffractive optical element, thus forming an image of the displayed object between itself and the diffractive optical element.

Abstract: A fan control system includes a power source, a switch control circuit, a switch control signal delivering unit and a fan circuit module. The power source outputs a nominal power, the switch control circuit electrically connects to the power source, the switch control signal delivering unit electrically connects to the switch control circuit and can send a power control signal to the switch control circuit, and the fan circuit module electrically connects to the switch control circuits. In an initial operation state, the nominal power output from the power source can be reduced to a control power sending to the fan circuit module via the switch control circuit to drive at least one fan within the fan circuit module, and then the power control signal controls the control power after the switch control signal delivering unit sends the power control signal to the switch control circuit.

Abstract: A computer system comprises a receiver and a read-write medium. The receiver is used to receive a remote control signal from a remote controller. The read-write medium is applied to the computer system, and an operating software is stored therein. The computer system can analyze the remote control signal via executing the operating software. The computer system can select and execute some application programs in the computer system or change hardware settings according to the remote control signal.

Abstract: A reel device is disposed inside an electronic product, such as computer host, laptop, etc. The reel device comprises a wire winder, a transmission cable, a signal terminal, and a connector. The transmission cable is reeled inside the wire winder. The signal terminal joined one end of the transmission cable is connected on the circuit board of the electronic product to be signal transmission channel. A connector joined to the other end of the transmission cable is exposed outside of the wire winder. The housing of the electronic product further has an opening. The connector and the transmission cable can be pulled out of the electronic product, and then the connector is plugged into a connector of another electronic product to transmit signals.

Abstract: An electronic device for electrically connecting a first audio module to a speaker is described. The electronic device includes a case, a circuit board, a first audio connector, a second audio connector, and an internal music module. Both the first audio connector and the second audio connector are disposed on the circuit board. The speaker electrically connects to the first audio connector, and the second audio connector electrically connects to the first audio module and the first audio connector. The electronic device preferably includes an audio input interface. At least part of the audio input interface is fixed on the case and thereby users can conveniently connect the first audio module to the electronic device.

Abstract: An electroplating anode titanium basket including a fixing section, a resolution section and a surrounding section. The surrounding section can effectively increase the area of the insoluble anode and enhance the load ability of the anode. The increased area of the soluble anode can effectively work without quickly increasing the concentration of the electroplating bath. The supplier is resolved on the face opposite to the work piece so that the effective resolution of the supplier is enhanced to truly increase the production ability of the electroplating operation. In addition, the supplier is prevented from being stuck so that the supplementation of the supplier is facilitated and the using effect is improved.

Abstract: An improved structure of an in-line roller skate, in which a wheel seat and a skate quarter are integrally formed, the front end of the wheel seat has a receiving seat having a slide groove which has thereon a screw hole and is for engaging therein a guide plate on the bottom of a skate toe placed on the receiving seat, the guide plate has an elongated slot engraved on both sides with marks spaced by a suitable distance and is press lapped with the positioning sheet having two viewing holes behind a screw hole being extended therethrough with a screw which is further screwed through the slot on the guide plate and then into the screw hole in the slide groove of the receiving seat, so that the skate toe can be slided and micro-adjusted in the slide groove, such structure suits feet of youths enlarged during growth of youths.

Abstract: A portable audio-visual apparatus includes: a casing having a tilting surface formed on an upper portion of the casing adjacent to a jack for inserting a right-angle plug of a microphone having a cable connectable between the microphone and the plug for outwardly transmitting radio-frequency sound waves to be received by a receiver and amplifier, with at least a volume switch provided on the casing for a direct convenient volume adjustment on the casing of the wireless microphone; and a laser point indicator secured in the casing opposite to the jack of the casing for emitting a laser light point for an optical point indication on a screen as displayed by a projector, whereby upon winding the cable of the microphone when not in use, the cable adjacent to the microphone will be smoothly rested on the tilting surface of the casing without bending, twisting, breaking and damaging the cable and the microphone.