Abstract: A mobile device supporting wideband operations includes a first metal mechanism element, a dielectric substrate, a first feeding radiation element, a second feeding radiation element, a ground element, and a second metal mechanism element. The first metal mechanism element includes a main portion and a sidewall portion. The sidewall portion of the first metal mechanism element has a first slot. Both the first feeding radiation element and the second feeding radiation element extend across the first slot of the first metal mechanism element. An antenna structure is formed by the first slot of the first metal mechanism element, the dielectric substrate, the first feeding radiation element, the second feeding radiation element, and the ground element. The second metal mechanism element is disposed opposite to the main portion of the first metal mechanism element. The second metal mechanism element has a second slot.

Abstract: A mobile device includes a hybrid antenna, a tunable circuit element, an RF (Radio Frequency) module, and a proximity sensor. The tunable circuit element provides an impedance value. The RF module generates RF power. The hybrid antenna is coupled through the tunable circuit element to the RF module. The proximity sensor is respectively coupled to the hybrid antenna, the tunable circuit element, and the RF module, and is configured to detect a specific distance between the hybrid antenna and a conductive element. The tunable circuit element and the RF module are operated according to relative information of the specific distance. If the specific distance is shorter than or equal to a first threshold distance, the RF module will reduce the RF power. If the specific distance is shorter than or equal to a second threshold distance, the tunable circuit element will change the impedance value.

Abstract: A mobile device supporting wideband operations includes a metal mechanism element, a first radiation element, a second radiation element, a third radiation element, and a dielectric substrate. A slot is formed in the metal mechanism element. The first radiation element has a feeding point. The second radiation element is coupled to a ground voltage. The third radiation element is coupled to the ground voltage. The third radiation element is disposed between the first radiation element and the second radiation element. The dielectric substrate is adjacent to the slot of the metal mechanism element. The first radiation element, the second radiation element, and the third radiation element are disposed on the dielectric substrate. An antenna structure is formed by the slot of the metal mechanism element, the first radiation element, the second radiation element, and the third radiation element.

Abstract: A mobile device with high radiation efficiency includes a ground element, a first radiation element, a second radiation element, a third radiation element, a fourth radiation element, and a dielectric substrate. The first radiation element has a feeding point. The second radiation element is coupled to the first radiation element. The first radiation element is coupled through the third radiation element to the ground element. The fourth radiation element is coupled between the first radiation element and the third radiation element. The first radiation element, the second radiation element, the third radiation element, and the fourth radiation element are disposed on the dielectric substrate. An antenna structure is formed by the first radiation element, the second radiation element, the third radiation element, and the fourth radiation element.

Abstract: A mobile device includes a ground element, a first radiation element, a second radiation element, a third radiation element, an extension ground element, a fourth radiation element, and a fifth radiation element. The ground element has a notch region. The first radiation element has a feeding point. The second radiation element is coupled to the first radiation element. The first radiation element is coupled through the third radiation element to the ground element. The extension ground element is coupled to the ground element. The fourth radiation element is coupled to the extension ground element. The fifth radiation element is coupled to the extension ground element. An antenna structure is formed by the ground element, the first radiation element, the second radiation element, the third radiation element, the extension ground element, the fourth radiation element, and the fifth radiation element.

Abstract: A mobile device supporting wideband operations includes a grounding radiation element, a first radiation element, a second radiation element, a third radiation element, a fourth radiation element, a fifth radiation element, and a sixth radiation element. The first radiation element has a first feeding point. The first radiation element is coupled through the second radiation element to the grounding radiation element. The fourth radiation element has a second feeding point. The fifth radiation element is adjacent to the fourth radiation element. The fifth radiation element is coupled through the sixth radiation element to the grounding radiation element. A first antenna structure is formed by the grounding radiation element, the first radiation element, the second radiation element, and the third radiation element. A second antenna structure is formed by the grounding radiation element, the fourth radiation element, the fifth radiation element, and the sixth radiation element.

Abstract: A mobile device supporting wideband operations includes a feeding radiation element, a first radiation element, a second radiation element, a third radiation element, a shorting radiation element, a fourth radiation element, and a fifth radiation element. The first radiation element is coupled to the feeding radiation element. The second radiation element is adjacent to the first radiation element. The second radiation element and the third radiation element are coupled through the shorting radiation element to a ground voltage. The fourth radiation element is coupled to the feeding point. The fourth radiation element is adjacent to the second radiation element. The fifth radiation element is coupled to the feeding point. An antenna structure is formed by the feeding radiation element, the first radiation element, the second radiation element, the third radiation element, the shorting radiation element, the fourth radiation element, and the fifth radiation element.

Abstract: A mobile device with high radiation efficiency includes a ground element, a first radiation element, a second radiation element, a third radiation element, a fourth radiation element, a dielectric substrate, a speaker body, and a cable. The first radiation element and the fourth radiation element are coupled to the ground element. The second radiation element and the third radiation element are coupled to a feeding point. An antenna structure is formed by the first radiation element, the second radiation element, the third radiation element, and the fourth radiation element. The speaker body has a first vertical projection on the dielectric substrate, and the first vertical projection at least partially overlaps the third radiation element. The cable is coupled to the speaker body. The cable has a second vertical projection on the dielectric substrate, and the second vertical projection does not overlap the antenna structure at all.

Abstract: A mobile device with communication and sensing functions includes a first radiation element, a second radiation element, a third radiation element, a fourth radiation element, a capacitor, a first metal element, a second metal element, a third metal element, a nonconductive support element, and a proximity sensor. The first metal element is coupled through the capacitor to a ground voltage. The second metal element is coupled to the first metal element. The third metal element is coupled to the first metal element. The third metal element and the second metal element substantially extend in opposite directions. The proximity sensor is coupled to the capacitor and the first metal element. A hybrid antenna structure is formed by a first radiation element, a second radiation element, a third radiation element, a fourth radiation element, a first metal element, a second metal element, and a third metal element.

Abstract: A mobile device for reducing SAR (Specific Absorption Rate) includes a first radiation element, a second radiation element, a third radiation element, and a dielectric substrate. The first radiation element has a feeding point. The second radiation element is adjacent to the first radiation element. The second radiation element has a first notch region, a second notch region, and a third notch region. The second radiation element is coupled through the third radiation element to a ground voltage. The first radiation element, the second radiation element, and the third radiation element are disposed on the dielectric substrate. An antenna structure is formed the first radiation element, the second radiation element, and the third radiation element.

Abstract: A mobile device supporting wideband operations includes a first metal mechanism element, a dielectric substrate, a feeding radiation element, a ground element, a second metal mechanism element, and a nonconductive antenna window. The first metal mechanism element includes a main portion and a sidewall portion. The sidewall portion has a slot. The dielectric substrate is adjacent to the sidewall portion of the first metal mechanism element. The feeding radiation element extends across the slot of the first metal mechanism element. An antenna structure is formed by the slot of the first metal mechanism element, the dielectric substrate, the feeding radiation element, and the ground element. The second metal mechanism element is disposed opposite from the main portion of the first metal mechanism element. The nonconductive antenna window is connected between the sidewall portion of the first metal mechanism element and the second metal mechanism element.

Abstract: A mobile device supporting wideband operations includes a first radiation element, a second radiation element, a third radiation element, a fourth radiation element, a fifth radiation element, a sixth radiation element, and a seventh radiation element. The first radiation element has a feeding point. The second radiation element and the third radiation element are coupled to the first radiation element. The first radiation element is coupled through the fourth radiation element to a ground voltage. The fifth radiation element is coupled to the fourth radiation element. The sixth radiation element is coupled to the ground voltage. The sixth radiation element is adjacent to the first radiation element and the third radiation element. The seventh radiation element is coupled to the sixth radiation element. The seventh radiation element extends away from the third radiation element.

Abstract: A mobile device supporting wideband operations includes a first radiation element, a second radiation element, a third radiation element, and a dielectric substrate. The first radiation element has a feeding point. The second radiation element is coupled to the ground voltage. The first radiation element is at least partially surrounded by the second radiation element. The feeding point is coupled through the third radiation element to the ground voltage. The first radiation element, the second radiation element, and the third radiation element are disposed on the dielectric substrate. An antenna structure is formed by the first radiation element, the second radiation element, and the third radiation element.

Abstract: A mobile device supporting wideband operations includes a feeding radiation element, a first radiation element, a second radiation element, a shorting radiation element, a third radiation element, and a fourth radiation element. The feeding radiation element has a feeding point. The first radiation element is coupled to the feeding radiation element. The second radiation element is coupled to the feeding radiation element. The second radiation element and the first radiation element substantially extend in opposite directions. The second radiation element is coupled through the shorting radiation element to a ground voltage. The third radiation element is coupled to the ground voltage. The fourth radiation element is coupled to the feeding radiation element. An antenna structure is formed by the feeding radiation element, the first radiation element, the second radiation element, the shorting radiation element, the third radiation element, and the fourth radiation element.

Abstract: A mobile device supporting wideband operations includes a feeding radiation element, a first radiation element, a second radiation element, a third radiation element, a shorting radiation element, a fourth radiation element, and a fifth radiation element. The first radiation element is coupled to the feeding radiation element. The second radiation element is adjacent to the first radiation element. The second radiation element and the third radiation element are coupled through the shorting radiation element to a ground voltage. The fourth radiation element is coupled to the feeding point. The fourth radiation element is adjacent to the second radiation element. The fifth radiation element is coupled to the feeding point. An antenna structure is formed by the feeding radiation element, the first radiation element, the second radiation element, the third radiation element, the shorting radiation element, the fourth radiation element, and the fifth radiation element.

Abstract: A fixation device is adapted to be mounted with a machine tool and mounted to a machine bed. The fixation device includes a fixed seat, a magnetic unit, and at least one ejection unit. The fixed seat has a bottom surface and a plurality of grooves formed in the bottom surface. The magnetic unit includes a plurality of magnet blocks fixed respectively in the grooves and adapted to be magnetically positioned on the machine bed. The at least one ejection unit is mounted on the fixed seat, and includes an operating member and a supporting member. The operating member is operable to move the supporting member from a first position, where a bottom end of the supporting member is flush with the bottom surface of the fixed seat, to a second position, where the bottom end of the supporting member protrudes out from the bottom surface of the fixed seat.

Abstract: A mobile device supporting wideband operations includes an antenna structure that includes a ground element, a first radiation element, a second radiation element, a third radiation element, a fourth radiation element, and a fifth radiation element. The first radiation element has a feeding point. The second radiation element is coupled to a first grounding point on the ground element. The third radiation element is coupled to the feeding point. The first radiation element and the third radiation element are at least partially surrounded by the second radiation element. The fourth radiation element is coupled to a second grounding point on the ground element. The fourth radiation element includes a first elevated portion. The fifth radiation element is coupled to the feeding point. The fifth radiation element includes a second elevated portion.

Abstract: A mobile device includes a hybrid antenna, a tunable circuit element, an RF (Radio Frequency) module, and a proximity sensor. The tunable circuit element provides an impedance value. The RF module generates RF power. The hybrid antenna is coupled through the tunable circuit element to the RF module. The proximity sensor is respectively coupled to the hybrid antenna, the tunable circuit element, and the RF module, and is configured to detect a specific distance between the hybrid antenna and a conductive element. The tunable circuit element and the RF module are operated according to relative information of the specific distance. If the specific distance is shorter than or equal to a first threshold distance, the RF module will reduce the RF power. If the specific distance is shorter than or equal to a second threshold distance, the tunable circuit element will change the impedance value.

Abstract: A mobile device with high radiation efficiency includes a ground element, a first radiation element, a second radiation element, a third radiation element, a fourth radiation element, a dielectric substrate, a speaker body, and a cable. The first radiation element and the fourth radiation element are coupled to the ground element. The second radiation element and the third radiation element are coupled to a feeding point. An antenna structure is formed by the first radiation element, the second radiation element, the third radiation element, and the fourth radiation element. The speaker body has a first vertical projection on the dielectric substrate, and the first vertical projection at least partially overlaps the third radiation element. The cable is coupled to the speaker body. The cable has a second vertical projection on the dielectric substrate, and the second vertical projection does not overlap the antenna structure at all.

Abstract: A mobile device with high radiation efficiency includes a ground element, a first radiation element, a second radiation element, a third radiation element, a fourth radiation element, and a dielectric substrate. The first radiation element has a feeding point. The second radiation element is coupled to the first radiation element. The first radiation element is coupled through the third radiation element to the ground element. The fourth radiation element is coupled between the first radiation element and the third radiation element. The first radiation element, the second radiation element, the third radiation element, and the fourth radiation element are disposed on the dielectric substrate. An antenna structure is formed by the first radiation element, the second radiation element, the third radiation element, and the fourth radiation element.