FR527035A - Perfectionnements aux projecteurs lumineux - Google Patents

Perfectionnements aux projecteurs lumineux

Info

Publication number
FR527035A
FR527035A FR527035DA FR527035A FR 527035 A FR527035 A FR 527035A FR 527035D A FR527035D A FR 527035DA FR 527035 A FR527035 A FR 527035A
Authority
FR
France
Prior art keywords
projectors
illuminated
illuminated projectors
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.)
Compagnie Generale de Signalisation
Original Assignee
Compagnie Generale de Signalisation
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 Compagnie Generale de Signalisation filed Critical Compagnie Generale de Signalisation
Application granted granted Critical
Publication of FR527035A publication Critical patent/FR527035A/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)
FR527035D 1920-01-09 1920-11-09 Perfectionnements aux projecteurs lumineux Expired FR527035A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US527035XA 1920-01-09 1920-01-09

Publications (1)

Publication Number Publication Date
FR527035A true FR527035A (fr) 1921-10-19

Family

ID=1536745

Family Applications (1)

Application Number Title Priority Date Filing Date
FR527035D Expired FR527035A (fr) 1920-01-09 1920-11-09 Perfectionnements aux projecteurs lumineux

Country Status (1)

Country Link
FR (1) FR527035A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2181511A1 (fr) * 1972-04-26 1973-12-07 Holophane

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2181511A1 (fr) * 1972-04-26 1973-12-07 Holophane

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