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GB804898A - Improvements in or relating to variable electric resistances - Google Patents

Improvements in or relating to variable electric resistances

Info

Publication number
GB804898A
GB804898A GB43957A GB43957A GB804898A GB 804898 A GB804898 A GB 804898A GB 43957 A GB43957 A GB 43957A GB 43957 A GB43957 A GB 43957A GB 804898 A GB804898 A GB 804898A
Authority
GB
United Kingdom
Prior art keywords
resistance
relating
film
variable electric
jan
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
GB43957A
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.)
Philips Electrical Industries Ltd
Original Assignee
Philips Electrical Industries Ltd
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 Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB804898A publication Critical patent/GB804898A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C10/00—Adjustable resistors
    • H01C10/30—Adjustable resistors the contact sliding along resistive element
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C10/00—Adjustable resistors

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Adjustable Resistors (AREA)

Abstract

804,898. Resistance coatings; variable resistors. PHILIPS ELECTRICAL INDUSTRIES Ltd. Jan. 4, 1957 [Jan. 7, 1956], No. 439/57. Drawings to Specification. Class 37. In a variable resistor in which a slider contact moves over a resistance track, the resistance film is not more than 50 microns thick and the surface beneath the film has a roughness of not more than 0.1 micron. The resistance film, which may be made from a suspension of carbon in an organic binder, is preferably from 10 to 20 microns thick but may be as little as 5 microns in applications where the contact is seldom displaced.
GB43957A 1956-01-07 1957-01-04 Improvements in or relating to variable electric resistances Expired GB804898A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL345056X 1956-01-07

Publications (1)

Publication Number Publication Date
GB804898A true GB804898A (en) 1958-11-26

Family

ID=19784858

Family Applications (1)

Application Number Title Priority Date Filing Date
GB43957A Expired GB804898A (en) 1956-01-07 1957-01-04 Improvements in or relating to variable electric resistances

Country Status (5)

Country Link
BE (1) BE553980A (en)
CH (1) CH345056A (en)
DE (1) DE1027766B (en)
FR (1) FR1185312A (en)
GB (1) GB804898A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2826786C3 (en) * 1978-06-19 1982-04-01 Novotechnik Kg Offterdinger Gmbh & Co, 7302 Ostfildern Method for linearizing a precision rotary mass potentiometer

Also Published As

Publication number Publication date
BE553980A (en)
CH345056A (en) 1960-03-15
DE1027766B (en) 1958-04-10
FR1185312A (en) 1959-07-31

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