According to Appl eInsider, the US Patent and Trademark Office recently granted Apple US Patent No. 8,868,254 - "Geographic Fence Access Control System". In layman's terms, the iPhone has become an advanced car remote control. The car needs to be equipped with a car service similar to CarPlay.
According to the patent description, the remote control system is capable of intelligently monitoring and invoking some functions of the car based on the "geo fence".
First, the vehicle installs a specific accessory (such as a CarPlay device), and the accessory can establish a connection with the iPhone, enabling the car to communicate with the iPhone based on geographic location information.
When the iPhone receives a signal from the car, it can generate a virtual fence around the car and monitor the location of the phone relative to the car. Once the phone and the car are reduced to a predetermined distance, the phone can automatically send a control signal to the car accessory - the door is automatically unlocked or the engine is automatically turned on.
To prevent accidents, you can set specific control rules. For example, the user must sit in the driver's seat and the car accessory can start the car engine.
In addition, you can set up multiple different geofences to control different car functions. For example, a layer of geofence is set to open or unlock the door, while another layer of geofence is set to turn on the engine. Or, when the owner of the iPhone is very close to the rear of the car, the trunk will open intelligently.
In some embodiments of the patent description, the car accessory also has a cellular connection function. At this point, the iPhone continuously monitors the user's movements and feeds the location information back to the car attachment. When it is determined that the user will arrive at the vehicle after 5 minutes, the car will turn on the air conditioner in advance to adjust the indoor temperature to the optimal state.
It is not yet possible to determine whether and when Apple will apply the patent to CarPlay. And we also know that car manufacturers are not very positive about CarPlay, which leads to the promotion of the service is very slow, and only Ferrari has launched a new car with CarPlay.
Li-ion Battery With SMBUS refers to the battery datas can be collect through equipments based on SMBUS data communication, it usually applied to the military grade battery which need higher safety level protection .but as these battery have SMBUS inside ,it also should meet these requirements as :
1.The rated voltage is high (the operating voltage of the unit is 3.7v or 3.2v), which is about equal to the series voltage of three nickel-cadmium or nickel-hydrogen charging batteries, so as to form the battery power supply group
2.The self-discharge rate is very low, which is one of
the most prominent advantages of the battery. At present, it can reach less
than 1% per month, less than 1/20 of the nickel hydrogen battery.
Charge voltage : 16.8V
Nominal voltage : 14.8V (4S4P)
Initial impedance : 200mÎ©
Nominal capacity: 10.4Ah
Minimum capacity : 10.0Ah
Communication methods : SMBUS data communication
Charge current : Standard Charging::0.5C5A (5.20A
Rapid charge 1.0C5A C(10.4A) Max
Standard Charging method: 5.20A(0.5C5A) CC(constant current)charge to 16.8V,then CV(constant voltage 16.8V)charge till charge current decline to â‰¤104mA(â‰ˆ0.01C5A)
Charging time: Standard Charging:4.5hours(Ref.)
Rapid charge: 2.5 hours(Ref.)
Max.discharge current: 10.4A(1.0C5A)
Discharge cut-off voltage: 11.0V
Shelf life: 2 years
Cycle life (0.2C5A/0.2C5A) : 500 times,â‰§80%DOD; 500 times,â‰§80%DOD
Li-ion Battery With SMBUS
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