B61L3/22 - CPC Classification Index

ClassID:

68576 ⎘

B61L3/22 - CPC Classification

Classification description:

Devices along the route for controlling devices on the vehicle or vehicle train, e.g. to release brake, to operate a warning signal; Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation

Sub-classes:

B61L2003/228 » {Constructional details} 4
B61L3/221 » {using track circuits} 25
B61L3/225 » {using separate conductors along the route} 8
B61L3/227 » {using electromagnetic radiation} 11
B61L3/24 » employing different frequencies or coded pulse groups {e.g. in combination with track circuits} 6

Recent Application in this class:

20200086902

2020-03-19

System for linking alarm data from physically disassociated wireless sensors to a train in motion

20180142425

2018-05-24

Device for fastening trackside modules to rails

20180056792

2018-03-01

Systems and methods for braking or propelling a roaming vehicle

20060080009

2006-04-13

Method and system for ensuring that a train does not pass an improperly configured device

20050159860

2005-07-21

Lifting restrictive signaling in a block