NL253936A - - Google Patents

Info

Publication number
NL253936A
NL253936A NL253936DA NL253936A NL 253936 A NL253936 A NL 253936A NL 253936D A NL253936D A NL 253936DA NL 253936 A NL253936 A NL 253936A
Authority
NL
Netherlands
Application number
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.)
Publication of NL253936A publication Critical patent/NL253936A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/02—Details
    • H01J17/04—Electrodes; Screens
    • 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
    • G05B11/00—Automatic controllers
    • G05B11/01—Automatic controllers electric
    • G05B11/012—Automatic controllers electric details of the transmission means
    • G05B11/017—Automatic controllers electric details of the transmission means using photo-electric means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
    • H01H47/24—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil having light-sensitive input

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Details Of Measuring Devices (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)
NL253936D 1959-07-18 NL253936A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG27528A DE1115809B (de) 1959-07-18 1959-07-18 Lichtelektrisch gesteuerte Schalteinrichtung

Publications (1)

Publication Number Publication Date
NL253936A true NL253936A (ja)

Family

ID=7123238

Family Applications (2)

Application Number Title Priority Date Filing Date
NL253936D NL253936A (ja) 1959-07-18
NL120383D NL120383C (ja) 1959-07-18

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL120383D NL120383C (ja) 1959-07-18

Country Status (5)

Country Link
US (1) US3054928A (ja)
CH (1) CH396158A (ja)
DE (1) DE1115809B (ja)
GB (1) GB939027A (ja)
NL (2) NL120383C (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3249759A (en) * 1962-10-31 1966-05-03 Sendro George Tibor Condition control galvanometer with photoelectric limit sensing
DE1283331B (de) * 1963-05-24 1968-11-21 Agfa Gevaert Ag Fotowiderstand fuer einen Daemmerungsschalter
US3332014A (en) * 1963-10-28 1967-07-18 Weston Instruments Inc Electric meter with light responsive limit indication
US3399347A (en) * 1964-01-09 1968-08-27 Bausch & Lomb Photoelectric system for generating a signal proportional to the movement of a meter
US3329825A (en) * 1964-05-11 1967-07-04 Gen Electric Meter relay using photoelectric relay elements controlled by an annular shutter mounted on the meter movement assembly
US3355593A (en) * 1964-12-02 1967-11-28 Instr Lab Inc Contactless switching device
US3337739A (en) * 1967-01-13 1967-08-22 Sigma Instruments Inc Condition control galvanometer with photoelectric limit sensing
US3693022A (en) * 1970-09-03 1972-09-19 Schlumberger Instrumentation Regulator-meter utilizing a beam of light for indication and regulation
US4609817A (en) * 1983-04-07 1986-09-02 Mid-West Instrument - Div. Astra Associates, Inc. Optical shaft position sensor

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2365601A (en) * 1944-01-10 1944-12-19 Hartford Nat Bank & Trust Co Electronic indicating device
DE1748270U (de) * 1957-04-16 1957-07-11 Herbert Ruehl Elektronisch gesteuerter daemmerungsschalter.

Also Published As

Publication number Publication date
DE1115809B (de) 1961-10-26
GB939027A (en) 1963-10-09
US3054928A (en) 1962-09-18
NL120383C (ja)
CH396158A (de) 1965-07-31

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