FR992844A - Palmer optique à cellules photo-électriques - Google Patents

Palmer optique à cellules photo-électriques

Info

Publication number
FR992844A
FR992844A FR992844DA FR992844A FR 992844 A FR992844 A FR 992844A FR 992844D A FR992844D A FR 992844DA FR 992844 A FR992844 A FR 992844A
Authority
FR
France
Prior art keywords
palmer
photocell
optical
optical photocell
palmer optical
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)
Inventor
Robert-Rene-Emile Marchand
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.)
Alcatel Lucent SAS
Original Assignee
Compagnie Generale dElectricite 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 Compagnie Generale dElectricite SA filed Critical Compagnie Generale dElectricite SA
Application granted granted Critical
Publication of FR992844A publication Critical patent/FR992844A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • B65H63/06—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to presence of irregularities in running material, e.g. for severing the material at irregularities ; Control of the correct working of the yarn cleaner
    • B65H63/062—Electronic slub detector
    • B65H63/065—Electronic slub detector using photo-electric sensing means, i.e. the defect signal is a variation of light energy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Quality & Reliability (AREA)
FR992844D 1944-09-13 1944-09-13 Palmer optique à cellules photo-électriques Expired FR992844A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR992844T 1944-09-13

Publications (1)

Publication Number Publication Date
FR992844A true FR992844A (fr) 1951-10-23

Family

ID=9555143

Family Applications (1)

Application Number Title Priority Date Filing Date
FR992844D Expired FR992844A (fr) 1944-09-13 1944-09-13 Palmer optique à cellules photo-électriques

Country Status (1)

Country Link
FR (1) FR992844A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1099184B (de) * 1957-11-29 1961-02-09 Oscar Henri Ingber Geraet zum Messen der sichtbaren Querabmessung eines der Laenge nach durchlaufenden Gegenstandes
DE1211805B (de) * 1957-04-01 1966-03-03 British Iron Steel Research Optisches UEberwachungsverfahren

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1211805B (de) * 1957-04-01 1966-03-03 British Iron Steel Research Optisches UEberwachungsverfahren
DE1099184B (de) * 1957-11-29 1961-02-09 Oscar Henri Ingber Geraet zum Messen der sichtbaren Querabmessung eines der Laenge nach durchlaufenden Gegenstandes

Similar Documents

Publication Publication Date Title
FR989134A (fr) Suspension à interaction
FR992844A (fr) Palmer optique à cellules photo-électriques
CH253876A (de) Optisches Bleichmittel.
FR913048A (fr) Machine à reproduire
FR929996A (fr) Comparateur optique
FR919613A (fr) Comparateur optique
FR932158A (fr) Perfectionnements aux instruments d'optique binoculaires
FR992719A (fr) Galvanomètre amplificateur à cellules photo-électriques
FR919139A (fr) Dispositif optique
FR992989A (fr) Jumelle à prismes
FR908163A (fr) équerre à dessin perfectionnée
FR910579A (fr) Poutre de pont
FR915806A (fr) épingle à cheveux
FR923312A (fr) Verres d'optique
FR901560A (fr) Tamponnoir à mèches interchangeables
FR907189A (fr) Amplificateur lumineux
FR922303A (fr) Collimateur optique perfectionné
FR908196A (fr) Règle à calcul
FR942835A (fr) Diviseur optique
FR906959A (fr) Articulation optique
FR911952A (fr) Micromètre
FR925422A (fr) Micromètre optique
FR907920A (fr) Peigne à agrafe
FR52703E (fr) Micromètre optique
FR938861A (fr) Perfectionnements aux objectifs à grande ouverture