Abstract: A drum cartridge includes a frame on which a toner cartridge is attachable, a photosensitive drum, and a drum memory. The drum cartridge relays information stored in the toner memory to the image forming apparatus when the toner cartridge is attached to the frame.

Abstract: A method performed by a communication apparatus according to an aspect of the present disclosure includes calculating (400, 530) a generation interval and transmit power of a basic safety message used for Vehicle-to-Vehicle, V2V, safety communication, based on a channel busy ratio which is a ratio of time during which a channel is busy and on vehicle density within a predetermined range, and transmitting (500), based on the generation interval and the transmit power, the basic safety message over a PC5 reference point specified in a technical specification of the 3rd Generation Partnership Project, 3GPP.

Abstract: A cord-shaped heater 1, having: a conductive wires 5a; an inner-layer covering 7 formed on the outer periphery of the conductive wires 5a; and an outer-layer covering 9 formed on the outer periphery of the inner-layer covering 7, wherein the melting temperature of the inner-layer covering 7 is higher than the melting temperature of the outer-layer covering 9, the inner-layer covering 7 and the outer-layer covering 9 are made of same type of polymer material, and the inner-layer covering 7 and the outer-layer covering 9 are adhered to each other. The cord-shaped heater 1, wherein the conductive wire 5a includes a plurality of conductive wires, and the conductive wires 5a is covered with an insulating film 5b. A sheet-shaped heater, wherein the cord-shaped heater is arranged on a substrate, the substrate has a gap, at least a part of the outer-layer covering is penetrated into the gap of the substrate, and the inner-layer covering is not penetrated into the gap of the substrate.

Abstract: A driving assistance device for a vehicle includes: an assistance processing portion that executes a notification of a possibility of a host vehicle intersecting with an other vehicle based on host vehicle information including information that provides an estimation of a travelling course of the host vehicle and an other vehicle information including information that provides an estimation of a travelling course of the other vehicle and acquired by wireless communication; and a map acquisition portion that acquires map data including data that specifies a circular intersection. The host vehicle information includes a position of the host vehicle. The assistance processing portion prevents the notification based on the circular intersection, which is disposed in front of the host vehicle in the travelling course of the host vehicle, according to at least the host vehicle information and the map data acquired by the map acquisition portion.

Abstract: A vehicle mounted apparatus includes a first acquisition portion, a second acquisition portion, a comparison portion, and a control portion. The first acquisition portion acquires first vehicle information of different vehicles. The second acquisition portion acquires second vehicle information of different vehicles. The comparison portion compares a position of a closest different vehicle recognized based on the first vehicle information with a position of a closest different vehicle recognized based on the second vehicle information. The control portion employs both of the vehicle information acquired based on detection signals from the vehicle detection sensor and the vehicle information acquired based on the detection signals from the vehicle-to-vehicle communication in a combined manner when the position of the closest different vehicle recognized based on the first vehicle information matches with the position of the closest different vehicle recognized based on the second vehicle information.

Abstract: A cord-shaped heater 1, having: a conductive wires 5a; an inner-layer covering 7 formed on the outer periphery of the conductive wires 5a; and an outer-layer covering 9 formed on the outer periphery of the inner-layer covering 7, wherein the melting temperature of the inner-layer covering 7 is higher than the melting temperature of the outer-layer covering 9, the inner-layer covering 7 and the outer-layer covering 9 are made of same type of polymer material, and the inner-layer covering 7 and the outer-layer covering 9 are adhered to each other. The cord-shaped heater 1, wherein the conductive wire 5a includes a plurality of conductive wires, and the conductive wires 5a is covered with an insulating film 5b. A sheet-shaped heater, wherein the cord-shaped heater is arranged on a substrate, the substrate has a gap, at least a part of the outer-layer covering is penetrated into the gap of the substrate, and the inner-layer covering is not penetrated into the gap of the substrate.

Abstract: A receiving unit receives a signal in a frequency band used in vehicle-to-vehicle communications or shared by vehicle-to-vehicle communications and road-to-vehicle communications. A demodulation unit demodulates the signal received with the receiving unit. A received signal strength detection unit detects a received signal strength of the signal received with the receiving unit. A demodulation state determination unit determines whether the signal, which is received with the receiving unit, is demodulated successfully. A notification processing unit notifies a driver of a possibility of existence of another vehicle in a condition where the demodulation state determination unit determines that the signal is not demodulated successfully and where the received signal strength is greater than or equal to a predetermined strength threshold, which is for determining whether signals sent from multiple other vehicles collide against each other.

Abstract: A driving assistance device for a vehicle includes: an assistance processing portion that executes a notification of a possibility of a host vehicle intersecting with an other vehicle based on host vehicle information including information that provides an estimation of a travelling course of the host vehicle and an other vehicle information including information that provides an estimation of a travelling course of the other vehicle and acquired by wireless communication; and a map acquisition portion that acquires map data including data that specifies a circular intersection. The host vehicle information includes a position of the host vehicle. The assistance processing portion prevents the notification based on the circular intersection, which is disposed in front of the host vehicle in the travelling course of the host vehicle, according to at least the host vehicle information and the map data acquired by the map acquisition portion.

Abstract: A cord-shaped heater 10 has a plurality of conductive wires 5a that are covered with an insulating film 5b. The insulating film 5b includes a silicone resin. A quantity of the silicone resin included in the insulating film 5b is 40 to 80% by a weight ratio. The conductive wires 5a are wound around a core material 3 in a state of being paralleled together. An insulation body layer 7 is formed on an outer periphery of the conductive wires. A part or all of the insulation body layer 7 is formed of a heat-fusing material. A sheet-shaped heater 31 is wherein the cord-shaped heater 10 is arranged on a substrate 11.

Abstract: A collective antenna device includes: a case having a gradually rising part in which spatial height increases continuously toward a rear part; a ground plate that is accommodated at a bottom part of the case; a first antenna element that is accommodated in the case and configured for a first frequency; and a second antenna element that is accommodated in the case and configured for a second frequency higher than the first frequency. The second element is accommodated in the case such that the second antenna element is located below or behind the gradually rising part and also located behind the first antenna element. A feed point of the second antenna element is located above the ground plate.

Abstract: A communication terminal operating with electric power stored in a battery to execute information communication with an external communication device is provided. The communication terminal repetitively acquires specific information including a present position of the communication terminal and transmits the specific information in a transmission period. The communication terminal includes a detection section for detecting a total number of external communication devices present within an area of a pre-specified distance and a setting section for setting the transmission period in accordance with the total number of external communication devices detected by the detection section.

Abstract: A vehicle mounted apparatus includes a first acquisition portion, a second acquisition portion, a comparison portion, and a control portion. The first acquisition portion acquires first vehicle information of different vehicles. The second acquisition portion acquires second vehicle information of different vehicles. The comparison portion compares a position of a closest different vehicle recognized based on the first vehicle information with a position of a closest different vehicle recognized based on the second vehicle information. The control portion employs both of the vehicle information acquired based on detection signals from the vehicle detection sensor and the vehicle information acquired based on the detection signals from the vehicle-to-vehicle communication in a combined manner when the position of the closest different vehicle recognized based on the first vehicle information matches with the position of the closest different vehicle recognized based on the second vehicle information.

Abstract: An antenna device includes a first antenna element and a second antenna element. The first antenna element operates at a first predetermined frequency band. The second antenna element operates at a second predetermined frequency band that is different from the first predetermined frequency band. The first antenna element includes a base end portion, a front end portion, a folded portion, a first side portion disposed between the base end portion and the folded portion, and a second side portion disposed between the folded portion and the front end portion. A direction of a current vector in the first side portion is equal to a direction of a current vector in the second side portion. The second antenna element is disposed adjacent to the first antenna element.

Abstract: An antenna device mounted on a roof surface of a vehicle roof includes a ground plate disposed on the roof surface, an antenna ground, a first antenna element, and a second antenna element. The antenna ground is disposed on a plane perpendicular to the ground plate apart from a ground plate surface by a predetermined distance in a direction perpendicular to the ground plate surface. The first antenna element, whose first base end portion is connected to a first predetermined position of the antenna ground, extends from the first base end portion to a first front end portion in a direction moving away from the antenna ground. The second antenna element, whose second base end portion is connected to a second predetermined position of the antenna ground, extends from the second base end portion to a second front end portion in a direction moving away from the antenna ground.

Abstract: A wireless communication apparatus includes a first wireless communication unit performing a first type wireless communication and a second wireless communication unit performing a second type wireless communication, an interference determination portion, and an interference suppression portion. The interference determination portion determines whether the first wireless communication unit is in an interference state based on a radio wave reception state of the first wireless communication unit acquired when the second wireless communication unit is in a transmitting state. In the interference state, radio waves received by the first wireless communication unit are interfered by the radio waves transmitted from the second wireless communication unit.

Abstract: An antenna system includes a case, an antenna configured for a first communication system, an inside orthogonal antenna configured for a polarization diversity communication system, and an outside orthogonal antenna configured for the polarization diversity communication system. The antenna for the first communication system and the inside orthogonal antenna are disposed inside the case such that a main radiation polarization plane of the inside orthogonal antenna is orthogonal to a main radiation polarization plane of the antenna for the first communication system. The outside orthogonal antenna is disposed outside the case such that a main radiation polarization plane of the outside orthogonal antenna is orthogonal to the main radiation polarization plane of the inside orthogonal antenna.

Abstract: A collective antenna device includes: a case having a gradually rising part in which spatial height increases continuously toward a rear part; a ground plate that is accommodated at a bottom part of the case; a first antenna element that is accommodated in the case and configured for a first frequency; and a second antenna element that is accommodated in the case and configured for a second frequency higher than the first frequency. The second element is accommodated in the case such that the second antenna element is located below or behind the gradually rising part and also located behind the first antenna element. A feed point of the second antenna element is located above the ground plate.

Abstract: A vehicular wireless transmission apparatus includes a memory that stores (i) a default adjustment value relative to a default vehicle model, (ii) a default vehicle model data indicating the default vehicle model, and (iii) a correction value table for correcting the default adjustment value to be compliant with each of different vehicle models different from the default vehicle model. When a host vehicle model data read from a different ECU does not match with the default vehicle model data stored in the memory, it is determined that the vehicular wireless transmission apparatus is presently mounted in a host vehicle model indicated by the host vehicle model data read from the different ECU. The default adjustment value is then corrected by retrieving a correction value corresponding to the host vehicle model data from the correction value table.

Abstract: A vehicle-mounted antenna device includes a base, a board, a circuit section, and a housing. The base is mountable on a roof of a vehicle. The board has an antenna element section and is stood on a surface of the base. The circuit section serves as at least part of a wireless communication circuit electrically connected to the antenna element section. The housing is made of a resin material and forms a projection of a vehicle outer shape. The board and the circuit section are located in space formed by the base and the housing. The board is stood on the surface of the base so that a first direction perpendicular to the surface of the base differs from a second direction equal to a thickness direction of the board. The circuit section implemented on the board at a position away from the base in the first direction.

Abstract: A vehicle-mounted antenna device includes a base, a board, a circuit section, and a housing. The base is mountable on a roof of a vehicle. The board has an antenna element section and is stood on the base. The circuit section is implemented on the board and serves as at least part of a wireless communication circuit electrically connected to the antenna element section. The housing is made of a resin material and forms a projection of an outer shape of the vehicle. The board and the circuit section are located in space formed by the base and the housing. A heat transfer path having a thermal conductivity higher than that of air is formed between the circuit section and the housing without passing the base.