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FR1220319A - Perfectionnements aux dispositifs photoconducteurs - Google Patents

Perfectionnements aux dispositifs photoconducteurs

Info

Publication number
FR1220319A
FR1220319A FR786963A FR786963A FR1220319A FR 1220319 A FR1220319 A FR 1220319A FR 786963 A FR786963 A FR 786963A FR 786963 A FR786963 A FR 786963A FR 1220319 A FR1220319 A FR 1220319A
Authority
FR
France
Prior art keywords
photoconductive devices
photoconductive
devices
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
FR786963A
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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
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 General Electric Co PLC filed Critical General Electric Co PLC
Application granted granted Critical
Publication of FR1220319A publication Critical patent/FR1220319A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/78—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/941—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated using an optical detector
    • H03K17/943—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated using an optical detector using a plurality of optical emitters or detectors, e.g. keyboard

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Light Receiving Elements (AREA)
  • Structure Of Telephone Exchanges (AREA)
FR786963A 1958-02-17 1959-02-17 Perfectionnements aux dispositifs photoconducteurs Expired FR1220319A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5051/58A GB860393A (en) 1958-02-17 1958-02-17 Improvements in or relating to photoconductive devices

Publications (1)

Publication Number Publication Date
FR1220319A true FR1220319A (fr) 1960-05-24

Family

ID=9788823

Family Applications (1)

Application Number Title Priority Date Filing Date
FR786963A Expired FR1220319A (fr) 1958-02-17 1959-02-17 Perfectionnements aux dispositifs photoconducteurs

Country Status (4)

Country Link
US (1) US3026418A (fr)
FR (1) FR1220319A (fr)
GB (1) GB860393A (fr)
NL (1) NL236210A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3413603A (en) * 1964-04-22 1968-11-26 Kimura Kenjiro Semiconductor character sensing device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2605965A (en) * 1950-05-15 1952-08-05 Shepherd Judson O'd Data translator employing displaceable data cards
US2789193A (en) * 1951-05-05 1957-04-16 Electronics Corp America Photoconductive targets
US2747104A (en) * 1951-10-06 1956-05-22 Gen Electric Interval timing apparatus
US2668184A (en) * 1952-02-15 1954-02-02 Gen Electric Multiple photocell structure
US2899659A (en) * 1952-03-07 1959-08-11 mcllvaine
US2728835A (en) * 1955-01-17 1955-12-27 Electronics Corp America Radiation-sensitive resistor

Also Published As

Publication number Publication date
GB860393A (en) 1961-02-01
US3026418A (en) 1962-03-20
NL236210A (fr)

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