Abstract: A lightning protection apparatus is provided, including a substrate and multiple passive elements, where multiple paired first electrical contacts and multiple paired second electrical contacts are disposed on the surface of the substrate, each pair of first electrical contacts is disposed to form a gap with an adjacent pair of second electrical contacts, and the passive element is separately coupled between each pair of the first electrical contacts and each pair of the second electrical contacts, so that a discharging gap is formed between a passive element on a pair of the first electrical contacts and a passive element on a pair of the second electrical contacts adjacent to the pair of the first electric contacts.

Abstract: A coaxial cable connector structure including a sleeve and an annular nut on the front end of the sleeve is presented, wherein an inner tube is disposed inside the sleeve for connecting the coaxial cable, and a spring is disposed between the inner tube and the inner threads on the annular nut, the spring having a first end positioned proximate the bottom of the annular nut and a second end positioned forward of the front end of the inner tube for the end surface of the connection base towards the annular nut to contact the spring and electrically connect the inner tube when the annular nut is at least partially screwed onto the connection base, so that the coaxial cable connector structure can transmit signals when it is not completely screwed onto the connection base, and provide the effect of vibration suppression from the compressed spring having its two ends abutted against the bottom of the annular nut and the end surface of the connection base by the elastic restoring force when the connection base is c

Abstract: A coaxial cable connector structure including a sleeve and an annular nut on the front end of the sleeve is disclosed, wherein an inner tube is disposed inside the sleeve for connecting the coaxial cable, and a spring is disposed on the bottom of the annular nut for the end surface of the connection base towards the annular nut to contact the spring and electrically connect the inner tube when the connection base is screwed into the annular nut, so that the coaxial cable connector structure can transmit signals when it is not completely screwed onto the connection base, and provide the effect of vibration suppression from the compressed spring having its two ends abutted against the bottom of the annular nut and the end surface of the connection base by the elastic restoring force when the connection base is completely screwed onto the connection base.

Abstract: An impact resistant housing used to house devices to split, amplify, or modulate signals for CATV, satellite and phone systems comprises a base and a cover. The base includes a bottom, a top opening, and a peripheral recession portion that is recessed from internal walls of the base and located adjacent to the top opening. The cover includes an internal surface. The internal surface has peripheries soldered to the peripheral recession portion of the base and a protruded portion that is provided peripherally and located adjacent to the peripheries of the cover. When the cover is soldered to the base, the protruded portion of the cover borders with the internal walls of the base. By such structural design, the circuit board and electrical signal lines placed in the housing can be protected when the case is impacted by external force.

Abstract: A surge point discharge device for coupling a signal male connector or female connector comprises a metal body, and a through hole disposed at a center of the metal body for a signal line of the signal male connector or female connector to go through. At least one protruding portion is extended from the metal body for surge point discharging.

Abstract: A coaxial cable adaptor comprises a body, a conductor disposed inside the body and insulation linings disposed between the body and the conducting tubular conductor. A plurality conducting plates separated by gaps is disposed at two ends of the tubular conductor respectively, and an accommodating groove is formed between the conducting plates at each of the two ends for inserting coaxial cable cores. Middle section areas of the conducting plates are depressed toward the accommodating groove, and an arch flange is protrudingly formed on the middle section area of each of the conducting plates facing towards the accommodating groove. Thereby, the coaxial cable cores inserted in the accommodating groove can be clamped tightly by the tubular conductor through the elasticity of the arch flanges of the conducting plates in order to allow stable transmittance of high frequency signals.