Patent classifications
G
PHYSICS
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G07
CHECKING-DEVICES
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G07C
TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
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2209/00
Indexing scheme relating to groups G07C9/00 - G07C9/38
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G07C2209/60
Indexing scheme relating to groups G07C9/00174 - G07C9/00944
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G07C2209/63
Comprising locating means for detecting the position of the data carrier, i.e. within the vehicle or within a certain distance from the vehicle
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G07C2209/64
using a proximity sensor
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