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FR1170764A - Appareil pour la conversion de signaux lumineux en signaux électriques - Google Patents

Appareil pour la conversion de signaux lumineux en signaux électriques

Info

Publication number
FR1170764A
FR1170764A FR1170764DA FR1170764A FR 1170764 A FR1170764 A FR 1170764A FR 1170764D A FR1170764D A FR 1170764DA FR 1170764 A FR1170764 A FR 1170764A
Authority
FR
France
Prior art keywords
signals
converting light
electrical signals
electrical
light signals
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Application granted granted Critical
Publication of FR1170764A publication Critical patent/FR1170764A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/12—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using record carriers
    • G05B19/124—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using record carriers using tapes, cards or discs with optically sensed marks or codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/23—Reproducing arrangements
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/23—Pc programming
    • G05B2219/23189—Information is code

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
FR1170764D 1956-01-06 1957-01-02 Appareil pour la conversion de signaux lumineux en signaux électriques Expired FR1170764A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US557672A US2808518A (en) 1956-01-06 1956-01-06 Adjusting d. c. resistance of lightsensitive cells

Publications (1)

Publication Number Publication Date
FR1170764A true FR1170764A (fr) 1959-01-19

Family

ID=24226417

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1170764D Expired FR1170764A (fr) 1956-01-06 1957-01-02 Appareil pour la conversion de signaux lumineux en signaux électriques

Country Status (3)

Country Link
US (1) US2808518A (fr)
DE (1) DE1134541B (fr)
FR (1) FR1170764A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3146422A (en) * 1958-07-14 1964-08-25 Ibm Automatic output control system
US2977480A (en) * 1959-12-15 1961-03-28 Carl E Keene Shaft rotation to time interval transducer
DE1218771B (de) * 1963-02-12 1966-06-08 Zuse K G Anordnung zur optischen Abtastung von Hell-Dunkel-Markierungen
DE1280933B (de) * 1965-09-17 1968-10-24 Telefunken Patent Magnetbandgeraet mit einer vom Magnetband durchlaufenden Lichtschranke zur selbsttaetigen Ausloesung von Schaltvorgaengen am Bandanfang oder -ende
US3491244A (en) * 1967-12-15 1970-01-20 Mc Graw Edison Co Radiation sensitive position encoder using coded discs

Also Published As

Publication number Publication date
DE1134541B (de) 1962-08-09
US2808518A (en) 1957-10-01

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