GB645898A - Improvements in or relating to variable resistors - Google Patents

Improvements in or relating to variable resistors

Info

Publication number
GB645898A
GB645898A GB690448A GB690448A GB645898A GB 645898 A GB645898 A GB 645898A GB 690448 A GB690448 A GB 690448A GB 690448 A GB690448 A GB 690448A GB 645898 A GB645898 A GB 645898A
Authority
GB
Grant status
Application
Patent type
Prior art keywords
resistance
former
variable
screw
slider
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
GB690448A
Inventor
Robert Gray
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.)
MINISTER OF SUPPLY
Original Assignee
MINISTER OF SUPPLY
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

Links

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01CRESISTORS
    • H01C10/00Adjustable resistors
    • H01C10/30Adjustable resistors the contact sliding along resistive element
    • H01C10/38Adjustable resistors the contact sliding along resistive element the contact moving along a straight path
    • H01C10/40Adjustable resistors the contact sliding along resistive element the contact moving along a straight path screw operated

Abstract

645,898. Combinations and sets of resistances; variable-contact resistances. MINISTER OF SUPPLY. March 5,1948, No. 6904. [Class 37] In a wire-wound variable resistor of the type comprising a slider movable within a tubular resistance element the ceramic or other insulating former 2 on which is wound the resistance wire 1 is slotted longitudinally and the slider 16 engages the winding 1 through this slot and is supported through a spring strip 15 by a nut 14 carried by a lead screw 10 secured within the former 2 by the brass end caps 3, 4. To adjust the resistance to the required value a screw-driver is inserted to turn the lead-screw 10 and thus move axially the nut 14 and therefore the slider 16 along the winding 1. The resistor may be substantially enclosed in an insulating mass 19. The device may be arranged for use as an ordinary currentregulating rheostat, as shown, Fig. 1, or as a potentiometer resistance. A modification is described wherein the spindle is of insulating material and comprising two resistance elements on a common former and two sliders arranged for simultaneous axial movement.
GB690448A 1948-03-05 1948-03-05 Improvements in or relating to variable resistors Expired GB645898A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB690448A GB645898A (en) 1948-03-05 1948-03-05 Improvements in or relating to variable resistors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB690448A GB645898A (en) 1948-03-05 1948-03-05 Improvements in or relating to variable resistors

Publications (1)

Publication Number Publication Date
GB645898A true true GB645898A (en) 1950-11-08

Family

ID=9822958

Family Applications (1)

Application Number Title Priority Date Filing Date
GB690448A Expired GB645898A (en) 1948-03-05 1948-03-05 Improvements in or relating to variable resistors

Country Status (1)

Country Link
GB (1) GB645898A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2777926A (en) * 1953-01-12 1957-01-15 Marlan E Bourns Variable resistor
DE1029076B (en) * 1952-04-25 1958-04-30 Rhein Westfael Isolatoren rheostat
US2839752A (en) * 1954-07-19 1958-06-17 Webster Marvin Antenna with variable inductance for tuning
US2945199A (en) * 1957-10-24 1960-07-12 Clarostat Mfg Co Inc Potentiometer
DE1099052B (en) * 1956-09-22 1961-02-09 C M E Soc P Az Sa Voltage divider with armored resistance
DE1119974B (en) * 1958-12-31 1961-12-21 Edcliff Instr Variable resistor having a cylindrical Huelse
GB2216268A (en) * 1988-03-31 1989-10-04 Schlumberger Ind Ltd Rotary displacement transducer

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1029076B (en) * 1952-04-25 1958-04-30 Rhein Westfael Isolatoren rheostat
US2777926A (en) * 1953-01-12 1957-01-15 Marlan E Bourns Variable resistor
US2839752A (en) * 1954-07-19 1958-06-17 Webster Marvin Antenna with variable inductance for tuning
DE1099052B (en) * 1956-09-22 1961-02-09 C M E Soc P Az Sa Voltage divider with armored resistance
US2945199A (en) * 1957-10-24 1960-07-12 Clarostat Mfg Co Inc Potentiometer
DE1119974B (en) * 1958-12-31 1961-12-21 Edcliff Instr Variable resistor having a cylindrical Huelse
GB2216268A (en) * 1988-03-31 1989-10-04 Schlumberger Ind Ltd Rotary displacement transducer
US4989329A (en) * 1988-03-31 1991-02-05 Schlumberger Industries Limited Rotary displacement transducers
GB2216268B (en) * 1988-03-31 1992-04-15 Schlumberger Ind Ltd Rotary displacement transducers

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