摘要:
A heating line pattern structure is provided, in which the effect of the heating lines of a defogger on an antenna for a TV broadcast especially for a digital TV broadcast may be decreased. The defogger is structured by arranging heating lines between bus bars on both sides. The portion of an uppermost heating line in proximity to the monopole antenna are folded rectangularly at a regular interval to form a meander shape. One lateral heating line is extended under the meander-shaped heating line portion, and is connected to a vertical heating line to which four lateral heating lines are connected together.
摘要:
A heating line pattern structure is provided, in which the effect of the heating lines of a defogger on an antenna for a TV broadcast especially for a digital TV broadcast may be decreased. The defogger is structured by arranging heating lines between bus bars on both sides. The portion of an uppermost heating line in proximity to the monopole antenna are folded rectangularly at a regular interval to form a meander shape. One lateral heating line is extended under the meander-shaped heating line portion, and is connected to a vertical heating line to which four lateral heating lines are connected together.
摘要:
A glass antenna for vehicles comprising a slot antenna constructed without using an electrical conductive transparent film is provided. A glass antenna for vehicles formed on a window glass for receiving a digital TV band comprises a rectangular slot antenna one side thereof is formed by an edge of a vehicle body surrounding the window glass and residual three sides are formed by a silver printed line formed on the window glass, both ends of the silver printed line being connected to the vehicle body by means of lead wires, respectively, and a feeder for supplying electric power to the slot antenna.
摘要:
A glass antenna for vehicles comprising a slot antenna constructed without using an electrical conductive transparent film is provided. A glass antenna for vehicles formed on a window glass for receiving a digital TV band comprises a rectangular slot antenna one side thereof is formed by an edge of a vehicle body surrounding the window glass and residual three sides are formed by a silver printed line formed on the window glass, both ends of the silver printed line being connected to the vehicle body by means of lead wires, respectively, and a feeder for supplying electric power to the slot antenna.
摘要:
A glass antenna system for vehicles to receive AM and FM bands is provided. An electrically conductive transparent film is formed on a side glass. A silver printed line have a wide width is formed around the electrically conductive transparent film. A loop-shaped silver printed line is provide surrounding the film, which is capacitively coupled to the body. In this manner, an opening is formed in a space between the silver printed line and the electrically conductive film. An electrically shorted portion is provided between the silver printed line and the electrically conductive film. A coaxial feeder for AM/FM is provided. A central conductor of the feeder is connected to the silver printed line and the outer conductor to the body.
摘要:
A glass antenna device for automobile telephone includes a glass panel and an antenna pattern mounted on the glass panel. The antenna pattern has a radiation pattern, a signal leader pattern having a first feeder positioned closely to an edge of the glass panel, and an extension extending from the first feeder toward and connected to the radiation pattern, a shield leader pattern having a surrounding pattern surrounding the first feeder and having a second feeder, and a pair of parallel extensions extending from the surrounding pattern parallel substantially the full length of the extension of the signal leader thereto and disposed one on each side thereof, and a rectangular ground pattern connected to an end of at least one of the parallel extensions of the shield leader pattern. Preferably, a feeder cable interconnecting the antenna pattern and an automobile telephone set mounted in an automobile has a portion extending toward the antenna pattern and including a ground conductor electrically connected to an automobile body of the automobile.
摘要:
A window glass antenna for use on an automobile rear window glass panel, for example has a radiating pattern to be mounted on the window glass panel a ground pattern to be mounted on the window glass panel in spaced relationship to the radiating pattern. The radiating pattern has a vertical length substantially equal to a quarter wavelength. The ground pattern has a vertical length substantially equal to a quarter wavelength and a horizontal width ranging from a half wavelength to a three-quarter wavelength.
摘要:
An antenna structure of a rectangular loop antenna that is provided on a window glass of a vehicle, includes: another loop portion that is provided inside a rectangular loop portion of the rectangular loop antenna and has a path partially shared with the rectangular loop portion; and a bypass unit that connects the path of the another loop portion and the path of the rectangular loop portion which is not shared with the path of the another loop portion.
摘要:
An on-board antenna device, comprises a radiation element (22) formed on an inner-surface of a window glass (51) for a vehicle (50), a base plate (405) having an opening, the base plate (405) being fixed on the inner-surface of the window glass (51) so as to surround the radiation element (22), and a housing (27) assembled onto the base plate (405), the housing (27) having an opening surrounding the radiation element, wherein the base plate has four leakage prevention walls (405b, 405c, 405d and 405e) and each of four leakage prevention walls (405b, 405c, 405d and 405e) has a surface substantially parallel to each of four sidewalls (430b, 430c, 430d and 430e) of the housing (27).
摘要:
A vehicular antenna apparatus includes a radiating conductor directly patterned on a glass surface of a vehicle, a base plate fixed to the glass surface, a frame screwed to the base plate, a power feeding substrate and a circuit substrate accommodated and held in the frame, a connecting small substrate electrically connecting both substrates, and a cover attached on the top of the frame. A patterned surface of the power feeding substrate is close to and faces the glass surface, and thereby indirect power feeding can be performed. Both ends of the connecting small substrate are received in connecting holes. A power feeding pattern and a preamplifier circuit are connected via a microstrip line.