GB409174A - Improvements in and connected with electric resistances - Google Patents

Improvements in and connected with electric resistances

Info

Publication number
GB409174A
GB409174A GB20646/33A GB2064633A GB409174A GB 409174 A GB409174 A GB 409174A GB 20646/33 A GB20646/33 A GB 20646/33A GB 2064633 A GB2064633 A GB 2064633A GB 409174 A GB409174 A GB 409174A
Authority
GB
United Kingdom
Prior art keywords
iron
resistance
hydrogen
uranium dioxide
resistor
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
GB20646/33A
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.)
Osram GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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 Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Publication of GB409174A publication Critical patent/GB409174A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
    • H01C17/30—Apparatus or processes specially adapted for manufacturing resistors adapted for baking
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C3/00—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids
    • H01C3/04—Iron-filament ballast resistors; Other resistors having variable 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
    • H01C7/04—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Thermistors And Varistors (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Emergency Protection Circuit Devices (AREA)

Abstract

409,174. Resistance materials enclosed in gas. PATENT TREUHAND GES. FUR ELEKTRISCHE GLUHLAMPEN, 11, Ehrenbergstrasse, Berlin. July 21, 1933, No. 20646. Convention date, Aug. 8, 1932. [Class 37.] An electric resistance having a negative temperature coefficient and for use particularly with iron-hydrogen resistors consists of uranium dioxide. The uranium dioxide resistance 13 is connected between caps 11 in series with the iron wire resistor 8 and functions to reduce the initial surge current which occurs when an iron-hydrogen resistor is employed alone.
GB20646/33A 1932-08-09 1933-07-21 Improvements in and connected with electric resistances Expired GB409174A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP65809D DE670511C (en) 1932-08-09 1932-08-09 Variator tubes, especially ferrous hydrogen resistance
DEP67972D DE665183C (en) 1932-08-09 1933-08-03 Process for the production of electrical resistance bodies from uranium dioxide

Publications (1)

Publication Number Publication Date
GB409174A true GB409174A (en) 1934-04-26

Family

ID=34066213

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20646/33A Expired GB409174A (en) 1932-08-09 1933-07-21 Improvements in and connected with electric resistances

Country Status (5)

Country Link
AT (2) AT140134B (en)
CH (1) CH169476A (en)
DE (2) DE670511C (en)
DK (1) DK49973C (en)
GB (1) GB409174A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE968303C (en) * 1942-06-19 1958-02-06 Aeg Circuit breaker interlock

Also Published As

Publication number Publication date
AT142839B (en) 1935-09-25
DK49973C (en) 1935-03-04
CH169476A (en) 1934-05-31
DE665183C (en) 1938-09-19
DE670511C (en) 1939-01-19
AT140134B (en) 1935-01-10

Similar Documents

Publication Publication Date Title
GB409174A (en) Improvements in and connected with electric resistances
GB833351A (en)
GB851955A (en) Resistor
GB557710A (en) Circuit arrangements for resistance elements having a high resistance-temperature coefficient
ES233293A1 (en) Electrical resistor
GB482544A (en) Improvements in or relating to electric boiling vessels
ES194616U (en) A device of bigudi caldeable via electric. (Machine-translation by Google Translate, not legally binding)
DE461143C (en) Panel clamp with a protective cap held by the clamp's isolating button
GB545679A (en) Resistance composition and method of making it
GB842013A (en) Improvements in and relating to electrical resistance heating arrangements
GB473402A (en) Improvements relating to variable electric resistances or potentiometers
GB473743A (en) Improved electrical resistance
GB297391A (en) Improvements in rheostats and other adjustable electric resistances, chiefly adaptedfor use in radio operations
IE14233L (en) Electrical heaters and resistances
GB473508A (en) Improvements relating to variable electric resistances or potentiometers
GB422263A (en) Improvements in electrical resistors
GB168238A (en) Improvements in and relating to electric resistance devices
GB435901A (en) Improvements in electric resistances
GB437254A (en) Improvements in and relating to electric resistance heaters
GB397296A (en) Highly ohmic resistance
GB448682A (en) Improvements in and relating to electric resistance heaters
AU406231A (en) Improvements in and connected with electric regulators
GB787324A (en) Improvements in or relating to electric circuits including non-linear resistive elements
CA482529A (en) Electric furnace with carbon resistances
GB289030A (en) Improvements in electric resistances