摘要:
In a receiver for a mobile unit, a region and a frequency band of an available radio wave of the region are stored in ROM 4, and a region in which a mobile unit is located is detected from the present position measured by a GPS receiver 2 and receiving frequency bands of FM/AM bands are set to the receiver based on the detected result.
摘要:
Only an information output from a wireless terminal for mobile unit to a wireless base station is allowed in response to an operation of operating means of the wireless terminal for mobile unit. When only the information output from the wireless terminal for mobile unit to the wireless base station has been allowed by the operation of the operating means, an information output from the wireless base station to the wireless terminal for mobile unit is allowed in response to another operation of the operating means. The wireless terminal for mobile unit is constructed so as not to respond to another operation of the operating means during the predetermined time since the first operation of the operating means.
摘要:
Only an information output from a wireless terminal for mobile unit to a wireless base station is allowed in response to an operation of operating means of the wireless terminal for mobile unit. When only the information output from the wireless terminal for mobile unit to the wireless base station has been allowed by the operation of the operating means, an information output from the wireless base station to the wireless terminal for mobile unit is allowed in response to another operation of the operating means. The wireless terminal for mobile unit is constructed so as not to respond to another operation of the operating means during the predetermined time since the first operation of the operating means.
摘要:
In a mobile system and a mobile management system, when an emergency notification that an urgent car 3 is approaching is transmitted from a base station 5 to a general owner-driven car 1, the distance between the general owner-driven car 1 and the urgent car 3 is calculated on the basis of the current position of the general owner-driven car 1 and the current position of the urgent car 3 under the control of a CPU 11. If the distance is within a predetermined value, the base station notifies the driver of the general owner-driven car that the urgent car is approaching.