NL29678C - - Google Patents

Info

Publication number
NL29678C
NL29678C NL29678DA NL29678C NL 29678 C NL29678 C NL 29678C NL 29678D A NL29678D A NL 29678DA NL 29678 C NL29678 C NL 29678C
Authority
NL
Netherlands
Application number
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.)
Publication of NL29678C publication Critical patent/NL29678C/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F19/00—Fixed transformers or mutual inductances of the signal type
    • H01F19/04—Transformers or mutual inductances suitable for handling frequencies considerably beyond the audio range
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/06—Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Amplifiers (AREA)
NL29678D 1928-04-07 NL29678C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US268356A US1771913A (en) 1928-04-07 1928-04-07 Amplifying system

Publications (1)

Publication Number Publication Date
NL29678C true NL29678C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=23022612

Family Applications (1)

Application Number Title Priority Date Filing Date
NL29678D NL29678C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1928-04-07

Country Status (3)

Country Link
US (1) US1771913A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB309187A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL29678C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3835399A (en) * 1972-01-24 1974-09-10 R Holmes Adjustable electronic tunable filter with simulated inductor

Also Published As

Publication number Publication date
US1771913A (en) 1930-07-29
GB309187A (en) 1930-10-06

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