FR1076623A - Device intended to increase the sensitivity of measuring or indicating devices - Google Patents

Device intended to increase the sensitivity of measuring or indicating devices

Info

Publication number
FR1076623A
FR1076623A FR1076623DA FR1076623A FR 1076623 A FR1076623 A FR 1076623A FR 1076623D A FR1076623D A FR 1076623DA FR 1076623 A FR1076623 A FR 1076623A
Authority
FR
France
Prior art keywords
sensitivity
measuring
increase
device intended
indicating 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
Other languages
French (fr)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1076623A publication Critical patent/FR1076623A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
    • H01J31/12—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen
    • H01J31/14—Magic-eye or analogous tuning indicators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/30—Structural combination of electric measuring instruments with basic electronic circuits, e.g. with amplifier

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Radiation (AREA)
FR1076623D 1952-05-02 1953-04-30 Device intended to increase the sensitivity of measuring or indicating devices Expired FR1076623A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1076623X 1952-05-02
DE725373X 1952-05-02

Publications (1)

Publication Number Publication Date
FR1076623A true FR1076623A (en) 1954-10-28

Family

ID=75243195

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1076623D Expired FR1076623A (en) 1952-05-02 1953-04-30 Device intended to increase the sensitivity of measuring or indicating devices

Country Status (2)

Country Link
FR (1) FR1076623A (en)
GB (1) GB725373A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1216443B (en) * 1959-07-15 1966-05-12 Philips Patentverwaltung Tuning indicator tubes for displaying two measured values
US3943773A (en) * 1974-02-01 1976-03-16 David L. Fuller Sensing device and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1216443B (en) * 1959-07-15 1966-05-12 Philips Patentverwaltung Tuning indicator tubes for displaying two measured values
US3943773A (en) * 1974-02-01 1976-03-16 David L. Fuller Sensing device and method

Also Published As

Publication number Publication date
GB725373A (en) 1955-03-02

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