DE29702721U1 - Signaltechnisch sicherer optischer Signalgeber - Google Patents

Signaltechnisch sicherer optischer Signalgeber

Info

Publication number
DE29702721U1
DE29702721U1 DE29702721U DE29702721U DE29702721U1 DE 29702721 U1 DE29702721 U1 DE 29702721U1 DE 29702721 U DE29702721 U DE 29702721U DE 29702721 U DE29702721 U DE 29702721U DE 29702721 U1 DE29702721 U1 DE 29702721U1
Authority
DE
Germany
Prior art keywords
signal
safe optical
transmitter
optical signal
signal transmitter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE29702721U
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KALBERLAH HENNING DIPL ING
Original Assignee
KALBERLAH HENNING DIPL ING
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KALBERLAH HENNING DIPL ING filed Critical KALBERLAH HENNING DIPL ING
Priority to DE29702721U priority Critical patent/DE29702721U1/de
Publication of DE29702721U1 publication Critical patent/DE29702721U1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/095—Traffic lights
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity of the light
    • H05B45/12—Controlling the intensity of the light using optical feedback
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • H05B45/58—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits involving end of life detection of LEDs
DE29702721U 1997-02-10 1997-02-10 Signaltechnisch sicherer optischer Signalgeber Expired - Lifetime DE29702721U1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29702721U DE29702721U1 (de) 1997-02-10 1997-02-10 Signaltechnisch sicherer optischer Signalgeber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29702721U DE29702721U1 (de) 1997-02-10 1997-02-10 Signaltechnisch sicherer optischer Signalgeber

Publications (1)

Publication Number Publication Date
DE29702721U1 true DE29702721U1 (de) 1997-08-21

Family

ID=8036047

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29702721U Expired - Lifetime DE29702721U1 (de) 1997-02-10 1997-02-10 Signaltechnisch sicherer optischer Signalgeber

Country Status (1)

Country Link
DE (1) DE29702721U1 (de)

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 19971002

R156 Lapse of ip right after 3 years

Effective date: 20001201