FR66176E - Optical indicating device for electrical voltage, in particular for indicating tuning in t.s.f. - Google Patents

Optical indicating device for electrical voltage, in particular for indicating tuning in t.s.f.

Info

Publication number
FR66176E
FR66176E FR66176DA FR66176E FR 66176 E FR66176 E FR 66176E FR 66176D A FR66176D A FR 66176DA FR 66176 E FR66176 E FR 66176E
Authority
FR
France
Prior art keywords
indicating
electrical voltage
tuning
optical
indicating device
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)
Inventor
Rudolf Weinheimer
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR66176E publication Critical patent/FR66176E/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/12—Electrically-operated arrangements for indicating correct tuning
    • H03J3/14—Visual indication, e.g. magic eye
    • 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
FR66176D 1953-02-03 1954-02-03 Optical indicating device for electrical voltage, in particular for indicating tuning in t.s.f. Expired FR66176E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEL14589D DE931602C (en) 1953-02-03 1953-02-03 Arrangement for the optical display of the tuning of receiving circuits for frequency-modulated oscillations

Publications (1)

Publication Number Publication Date
FR66176E true FR66176E (en) 1956-05-17

Family

ID=25948123

Family Applications (1)

Application Number Title Priority Date Filing Date
FR66176D Expired FR66176E (en) 1953-02-03 1954-02-03 Optical indicating device for electrical voltage, in particular for indicating tuning in t.s.f.

Country Status (3)

Country Link
DE (1) DE931602C (en)
FR (1) FR66176E (en)
GB (1) GB777713A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1036403B (en) * 1956-07-07 1958-08-14 Egyesuelt Izzolampa Voting indicator tubes

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE724219C (en) * 1938-01-20 1942-08-20 Telefunken Gmbh Voting display device for recipients

Also Published As

Publication number Publication date
DE931602C (en) 1955-08-11
GB777713A (en) 1957-06-26

Similar Documents

Publication Publication Date Title
FR61447E (en) Optical indicating device for electrical voltage, in particular for indicating tuning in t.s.f.
CH322315A (en) Electrical device for information storage
FR66176E (en) Optical indicating device for electrical voltage, in particular for indicating tuning in t.s.f.
FR65002E (en) Optical indicating device for electrical voltage, in particular for indicating tuning in t.s.f.
FR1097478A (en) Improvements to optical device lenses
FR1175085A (en) Hourly electric device, in particular for cameras
FR1145145A (en) Stop device, in particular for non-bouncing electrical contact device
FR1145265A (en) Support device for bridge contactors
FR1109868A (en) Voltage variation detector device
FR1094011A (en) Liquid dispenser device for starting electric batteries
FR1126110A (en) Contact device for electric switch
FR1118820A (en) Switch contact device
FR1091022A (en) Elastic membrane for thermostatic device
FR1161927A (en) Electric lighting device for the graduations of a speedometer and the path traveled
FR1101407A (en) Switching device for electric horn with vibrating membrane
FR1078646A (en) Adjustable support device, in particular for optical sighting instruments
FR1098351A (en) Balanced liquid sampling device
FR1095202A (en) Connecting device for ribbons intended in particular for wristwatches
FR1126388A (en) Measuring device, especially for thermoelectric voltage
FR1073620A (en) Reflective device with periscope effect for vehicles
FR71848E (en) Device for improving the images provided by optical systems
FR1097895A (en) Indicator device for selector-coordinators
BE577942A (en) Device for determining variations in electrical quantities.
FR1095715A (en) Calibration device, in particular for electrical signal generators
FR1087924A (en) Engine-gear change device