CA978630A - Light sensing device - Google Patents

Light sensing device

Info

Publication number
CA978630A
CA978630A CA147,745A CA147745A CA978630A CA 978630 A CA978630 A CA 978630A CA 147745 A CA147745 A CA 147745A CA 978630 A CA978630 A CA 978630A
Authority
CA
Canada
Prior art keywords
sensing device
light sensing
light
sensing
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
CA147,745A
Other languages
English (en)
Other versions
CA147745S (en
Inventor
Shigeru Hayakawa
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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
Priority claimed from JP6115471A external-priority patent/JPS5320811B2/ja
Priority claimed from JP46105010A external-priority patent/JPS5221876B2/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of CA978630A publication Critical patent/CA978630A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F55/00—Radiation-sensitive semiconductor devices covered by groups H10F10/00, H10F19/00 or H10F30/00 being structurally associated with electric light sources and electrically or optically coupled thereto
    • H10F55/20—Radiation-sensitive semiconductor devices covered by groups H10F10/00, H10F19/00 or H10F30/00 being structurally associated with electric light sources and electrically or optically coupled thereto wherein the electric light source controls the radiation-sensitive semiconductor devices, e.g. optocouplers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/04—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having negative temperature coefficient
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
CA147,745A 1971-08-12 1972-07-24 Light sensing device Expired CA978630A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6115471A JPS5320811B2 (enExample) 1971-08-12 1971-08-12
JP46105010A JPS5221876B2 (enExample) 1971-12-20 1971-12-20

Publications (1)

Publication Number Publication Date
CA978630A true CA978630A (en) 1975-11-25

Family

ID=26402191

Family Applications (1)

Application Number Title Priority Date Filing Date
CA147,745A Expired CA978630A (en) 1971-08-12 1972-07-24 Light sensing device

Country Status (7)

Country Link
US (1) US3786262A (enExample)
CA (1) CA978630A (enExample)
DE (1) DE2239876A1 (enExample)
FR (1) FR2148640B1 (enExample)
GB (1) GB1398996A (enExample)
IT (1) IT961948B (enExample)
NL (1) NL7210799A (enExample)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3328584A (en) * 1964-01-17 1967-06-27 Int Rectifier Corp Five-layer light switch

Also Published As

Publication number Publication date
FR2148640B1 (enExample) 1975-01-03
IT961948B (it) 1973-12-10
NL7210799A (enExample) 1973-02-14
FR2148640A1 (enExample) 1973-03-23
DE2239876A1 (de) 1973-03-08
US3786262A (en) 1974-01-15
GB1398996A (en) 1975-06-25

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