Abstract: The present invention provides a transmitter including a mixer, a harmonic impedance adjustment circuit and an amplifier. The mixer is configured to mix a first baseband signal with a first oscillation signal to generate a first mixed signal to a first node, and to mix a second baseband signal with a second oscillation signal to generate a second mixed signal to a second node. The harmonic impedance adjustment circuit is coupled between the first node and the second node, and is configured to reduce harmonic components of the first mixed signal and the second mixed signal to generate an adjusted first mixed signal and an adjusted second mixed signal. The amplifier is coupled to the harmonic impedance adjustment circuit, and is configured to generate an amplified signal according to the adjusted first mixed signal and the adjusted second mixed signal.

Abstract: A patterning process is provided. The patterning process comprises the following steps. A material layer is formed on a substrate. An imprinting process is performed on the material layer using an imprint stamp to form a patterned material layer having a plurality of pattern portions. A hard mask layer is formed between adjacent pattern portions. An etching process is performed using the hard mask layer as an etching mask to remove the pattern portions and a part of the substrate. The hard mask layer is removed.

Abstract: A backpack includes a body and two shoulder straps, wherein the body includes a rear surface, two connecting portions, and two adjusting portions, wherein the connecting portions and the adjusting portions are disposed on the rear surface. Each adjusting portion includes a plurality of adjusting sites lined vertically on the rear surface. Two shoulder straps are connected to the rear surface of the body. A first end of each shoulder strap is correspondingly connected to one of the connecting portions, and a second end of each shoulder strap has a connector. Each connector is correspondingly connected to one of the adjusting portions, and is connected to one of the adjusting sites. When each connector is connected to different adjusting sites of the corresponding adjusting portion, a height of each shoulder strap and a position of a center of gravity of the backpack could be changed accordingly.

Abstract: An assembled backpack includes a main compartment and an additional compartment. At least one first engaging member is disposed on the main compartment, and a strap is engaged with the main compartment. The additional compartment has a first side edge portion provided with a second engaging member and a second side edge portion provided with a second engaging member which are opposite to each other. The second engaging member of one of the first side edge portion and the second engaging member is detachably connected to the first engaging member, so the additional compartment is connected to the main compartment. The additional compartment has a first cloth and a second cloth positioned facing opposite directions. A first sealing member is disposed at an edge of a first opening of the first cloth. A second sealing member is disposed at an edge of a second opening of the second cloth.

Abstract: A backpack for large objects is provided, which includes a main body, two straps, a first wing, a second wing, and an extended piece, wherein two ends of each of the straps are respectively connected to the rear of the main body, and the straps are used as shoulder straps. The main body has two opposite sides which are respectively connected to the first wing and the second wing, wherein the first wing and the second wing are connected to each other detachably. The first wing, the second wing, and the main body enclose and form a first holding space. The extended piece is connected to the main body close to either a bottom opening or a top opening of the first holding space.

Abstract: An adjustable storage device includes a sheet, a restriction band having two ends fixedly connected to the sheet, and an elastic band having a fixed end fixedly connected to a side of the sheet and a free end detachably engaged to the another side of the sheet. The restriction band and the sheet form a through hole therebetween. The elastic band either goes through or not through the through hole. Whereby, when the elastic band is provided without going through the through hole, the elastic band the sheet form a first accommodating opening therebetween; when the elastic band is provided in a manner that it goes through the through hole, the elastic band and the sheet form multiple second accommodating openings. A maximum storage size of the first accommodating opening is greater than that of each of the second accommodating openings, so that tools of various sizes can be stored.

Abstract: A backpack assembly includes a bag body and a carrying accessory. The carrying accessory includes a back plate, a bag strap, and a waistband. The back plate has a first engaging portion and a second engaging portion which are opposite to each other, and has a middle portion located between the first engaging portion and the second engaging portion. The first engaging portion is adapted to be engaged with the bag body. A first connecting hole is disposed on the middle portion. The bag strap has two shoulder straps and a first connecting strap which passes through the first connecting hole. A first fastening member is disposed on each of the shoulder straps. The waistband engaged with the second engaging portion is connected to the first fastening members. With such design, the backpack assembly could be engaged with different bag bodies with different functions, different capacities, or different sizes.

Abstract: A backpack includes a bag body, two straps, and a back casing. The straps are engaged with the bag body. The bag body has an inner surface and an outer surface opposite to the inner surface. The inner surface is adapted to face a user's body. The back casing is detachably engaged with the bag body and is located outside of the outer surface. When the back casing is engaged with the bag body, the backpack could protect the bag body and a user's back. The back casing could be detached from the bag body when the back casing is not needed, providing a more flexible way for the user to use it.

Abstract: A backpack including a bag, at least one strap and an air pump is disclosed. The at least one strap is connected to the bag for a user to carry the bag and the air pump is disposed on the bag at either one of a position between a user's back and the bag and a position on the strap which faces the user's shoulder. The air pump is elastic and deformable and includes a first lateral part and a second lateral part opposite to the first lateral part. An air chamber is formed between the first lateral part and the second lateral part, and the first lateral part is formed with a plurality of air holes communicating with the air chamber and the outside. The pump further includes a plurality of elastic parts located in the air chamber to connect the first lateral part and the second lateral part.

Abstract: An engaging member, which is adapted to connect a bag body and a wearable object, includes a receiving member and a covering member. The receiving member is disposed on a reverse of the bag body, and includes a first exterior surface and a receiving space. A first engaging structure is formed on the first exterior surface. The covering member disposed on the reverse is capable of covering the first exterior surface, and includes a second exterior surface and an interior surface. A second engaging structure corresponding to the first engaging structure is formed on the interior surface, so that the first engaging structure could be engaged with the second engaging structure. A third engaging structure is formed on the second exterior surface and is adapted to be engaged with the wearable object. Also, the first engaging structure could be directly connected to the wearable object.

Abstract: A retaining clip includes a first strap body and a second strap body. The first strap body includes a first engaging portion. The first engaging portion includes a first abutting surface and a first protrusion. One end of the second strap body is connected with one end of the first strap body. The second strap body includes a ring-shaped portion and a second engaging portion. The second engaging portion is adapted to be detachably engaged with the first engaging portion and includes a second protrusion and a second abutting surface. When the first engaging portion is engaged with the second engaging portion, the first strap body passes through the ring-shaped portion, and the first abutting surface faces the second abutting surface, and the first protrusion faces the second protrusion.

Abstract: A method of identity authentication for an online store includes steps of transmitting a device code of a first electronic device to a first server, and waiting to receive an authentication code sending back from the first server; establishing a web page corresponding to the authentication code on a second server via the first electronic device; generating a link information corresponding to the web page by the first electronic device; obtaining the link information by the second electronic device, and connecting the second electronic device to the web page according to the link information whereby, it can effectively verify the authenticity of the first electronic device so as to bind the web page to the first electronic device, which can improve the transaction security.

Abstract: A waist bag includes a bag body, a flap, and at least one belt loop. An exterior surface of the bag body is mounted with a hook fastener or a loop fastener. The flap includes a base part disposed on the exterior surface of the bag body, and a free part which includes a first surface and a second surface opposite to each other, and could be lifted up corresponding to the bag body, wherein the first surface is mounted with a loop fastener or a hook fastener to be engaged with the bag body. The belt loop includes a first fixed part fixed to the exterior surface of the bag body, and a second fixed part fixed to the second surface of the flap. The belt loop connects to the bag body and the flap to constitute a pass-through space.

Abstract: A snap hook includes a frame, a gate, and a screwdriver blade. The frame has a first hook portion and a second hook portion located on different sides. The gate has an abutting end abutting against an end of the first hook portion. The screwdriver blade is pivotally connected to the frame, and a working end is formed on an end of the screwdriver blade whereby the snap hook could be engaged with two objects through the first hook portion and the second hook portion. The gate blocks a side opening of the first hook portion, and therefore the object hanged in the first hook portion would not fall out accidentally. Furthermore, the screwdriver blade increases the added value of the snap hook.