Emergency informing terminal and emergency informing system including the terminal

An emergency informing terminal mounted on a vehicle or other mobile body having an air bag for communicating with a center for supervising an emergency informing system, comprising:

• a main controller and a sub controller for controlling the emergency informing terminal,
• said sub controller also for controlling communications with an external device,
• said main controller and said sub controller monitor each other, and
• wherein operation of said air bag is monitored by the sub controller acquiring periodic communication signals from the air bag.

An emergency informing terminal mounted on a vehicle or other mobile body, for communicating with a center for supervising an emergency informing system, by switching power supply between a main battery of the mobile body and a power supply from an auxiliary battery,

• a main controller and a sub controller for controlling the emergency informing terminal,
• said sub controller also for controlling communications with an external device,
• said main controller and said sub controller monitor each other, and
• wherein means for cutting off power supply into the emergency informing terminal is provided in the auxiliary battery.

An emergency informing terminal mounted on a vehicle or other mobile body, for communicating with a center for supervising an emergency informing system, by switching power supply between a main battery of the mobile body and a power supply from an auxiliary battery,

• a main controller and a sub controller for controlling the emergency informing terminal,
• said sub controller also for controlling communications with an external device,
• said main controller and said sub controller monitor each other, and
• wherein said auxiliary battery includes a battery module composed of a plurality of cells connected in series, and a plurality of diodes connected parallel to said plurality of cells of said battery module.

An emergency informing system comprising:

• an emergency informing terminal mounted on a vehicle or other mobile body having an air bag, and
• an emergency call center for receiving an emergency call send signal from the emergency informing terminal,
• a main controller and a sub controller for controlling the emergency informing terminal,
• said sub controller also for controlling communications with an external device,
• said main controller and said sub controller monitor each other, and
• wherein the emergency informing terminal monitors the operation of the air bag by acquiring periodic communication signals from the air bag.

An emergency informing system comprising:

• an emergency informing terminal mounted on a vehicle or other mobile body, for providing a continuous emergency call notifying process, by switching power supply between a main battery of the mobile body and a power supply from an auxiliary battery, and
• a main controller and a sub controller for controlling the emergency informing terminal,
• said sub controller also for controlling communications with an external device,
• said main controller and said sub controller monitor each other,
• an emergency call center for receiving an emergency call send signal from the emergency informing terminal,
• wherein the auxiliary battery includes means for cutting off power supply into the emergency informing terminal in the event of abnormality of the power source.