FR800039A - Perfectionnement aux signaux lumineux - Google Patents

Perfectionnement aux signaux lumineux

Info

Publication number
FR800039A
FR800039A FR800039DA FR800039A FR 800039 A FR800039 A FR 800039A FR 800039D A FR800039D A FR 800039DA FR 800039 A FR800039 A FR 800039A
Authority
FR
France
Prior art keywords
improvement
light signals
signals
light
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
Application number
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.)
Societe dElectricite Mors SA
Original Assignee
Societe dElectricite Mors SA
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 Societe dElectricite Mors SA filed Critical Societe dElectricite Mors SA
Application granted granted Critical
Publication of FR800039A publication Critical patent/FR800039A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/12—Visible signals
    • B61L5/18—Light signals; Mechanisms associated therewith, e.g. blinders
    • B61L5/1809—Daylight signals
    • B61L5/1845—Optical systems, lenses

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR800039D 1935-04-03 1935-04-03 Perfectionnement aux signaux lumineux Expired FR800039A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR800039T 1935-04-03

Publications (1)

Publication Number Publication Date
FR800039A true FR800039A (fr) 1936-06-25

Family

ID=9237370

Family Applications (1)

Application Number Title Priority Date Filing Date
FR800039D Expired FR800039A (fr) 1935-04-03 1935-04-03 Perfectionnement aux signaux lumineux

Country Status (1)

Country Link
FR (1) FR800039A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2503500A (en) * 1944-12-20 1950-04-11 Clyde M Lowry Head lamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2503500A (en) * 1944-12-20 1950-04-11 Clyde M Lowry Head lamp

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