ClassID:

68622

B61L5/1881 - CPC Classification

Classification description:

Local operating mechanisms for points or track-mounted scotch-blocks ; Visible or audible signals; Local operating mechanisms for visible or audible signals; Visible signals; Light signals; Mechanisms associated therewith, e.g. blinders; Daylight signals Wiring diagrams for power supply, control or testing

Recent Application in this class:
#1
20250358915
2025-11-20

SYSTEM AND METHOD FOR RAILROAD SMART FLASHER LAMPS

#2
20240237172
2024-07-11

SYSTEM AND METHOD FOR RAILROAD SMART FLASHER LAMPS

#3
20230269848
2023-08-24

System and method for railroad smart flasher lamps

#4
20200276993
2020-09-03

Luminous device for rail ways signals and the like, and management method thereof

#5
20190185034
2019-06-20

Monitoring system, wayside LED signal, and method for monitoring a wayside LED signal

#6
20190077428
2019-03-14

Rail signal arrangement for a rail signaling system

#7
20180235054
2018-08-16

Lamp driver card to control lighting of a lamp load or a LED on a wayside of a railway system

#8
20160381758
2016-12-29

System and method for controlling a wayside device

#9
20160347336
2016-12-01

Monitoring system, wayside LED signaling device, and method for monitoring a wayside LED signaling device

#10
20150316216
2015-11-05

LED traffic signal light module

#11
20150309124
2015-10-29

Method and apparatus for revealing errors in the case of a light signal

#12
20150298713
2015-10-22

Circuit arrangement for revealing light signal errors

#13
20150137679
2015-05-21

LED signal lamp

#14
20150028163
2015-01-29

Current sensor for monitoring a wayside signal lamp for a positive train system

#15
20140166822
2014-06-19

Signal transmitter

#16
20140125318
2014-05-08

Signal detection system and method

#17
20140107874
2014-04-17

Method for operating a railway section and corresponding railway section

#18
20140104072
2014-04-17

Light signal device and method for ascertaining the degree of soiling of a shutter disk for a signal generator

#19
20130113377
2013-05-09

Power supply unit for signal luminaires

#20
20130099933
2013-04-25

LED light signal

#21
20120325981
2012-12-27

Railway signaling system with redundant controllers

#22
20120293074
2012-11-22

Method and system for determining signal state

#23
20110276285
2011-11-10

Apparatus and method for vital signal state detection in overlay rail signal monitoring

#24
20110057571
2011-03-10

DEVICE AND METHOD FOR CONTROLLING THE COLOR POINT OF AN LED LIGHT SOURCE

#25
20100258682
2010-10-14

SYSTEM AND METHOD FOR INTERFACING WAYSIDE SIGNAL DEVICE WITH VEHICLE CONTROL SYSTEM

#26
20090167186
2009-07-02

LEDs tricolor power signal

#27
20080288170
2008-11-20

System and method for aligning a railroad signaling system

#28
20080265262
2008-10-30

Methods and systems for testing a functional status of a light unit

#29
20080218097
2008-09-11

Emulation circuit

#30
20080121761
2008-05-29

Control of the luminous intensity of power LEDs by using the photoelectric effect characteristics of said power LEDs

#31
20080120033
2008-05-22

Method For Determining The Scope Of Detectability And Readability Of Light Signals

#32
20070228223
2007-10-04

Device for activation and monitoring of a light-signal system for railway traffic

#33
20060259202
2006-11-16

SIGNALING SYSTEM

#34
20060256552
2006-11-16

Circuit for driving and monitoring a light signal

#35
20060066447
2006-03-30

System and method for monitoring status of a visual signal device

#36
20060017583
2006-01-26

Apparatus and method for monitoring the output of a warning or indicator light

#37
20060001547
2006-01-05

Apparatus and method for monitoring the output of a warning or indicator light

#38
20050237215
2005-10-27

System and method for monitoring alignment of a signal lamp

#39
20050206529
2005-09-22

Intelligent light degradation sensing LED traffic signal

#40
20050151665
2005-07-14

Method and apparatus for tri-color rail signal system with control

#41
20050062481
2005-03-24

Wayside LED signal for railroad and transit applications

#42
20050029961
2005-02-10

Circuit assembly for operating a luminous signal