NL50423C - - Google Patents

Info

Publication number
NL50423C
NL50423C NL50423DA NL50423C NL 50423 C NL50423 C NL 50423C NL 50423D A NL50423D A NL 50423DA NL 50423 C NL50423 C NL 50423C
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 NL50423C publication Critical patent/NL50423C/xx
Priority claimed from US726931A external-priority patent/US2073344A/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/0153—Electrical filters; Controlling thereof
    • H03H7/0161—Bandpass filters
    • H03H7/0169—Intermediate frequency filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
    • F16J9/12—Details
    • F16J9/20—Rings with special cross-section; Oil-scraping rings
    • F16J9/206—One-piece oil-scraping rings
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/14—Automatic detuning arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/26—Circuits for superheterodyne receivers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/17—Structural details of sub-circuits of frequency selective networks
    • H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/1775—Parallel LC in shunt or branch path
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/17—Structural details of sub-circuits of frequency selective networks
    • H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/1791—Combined LC in shunt or branch path

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Superheterodyne Receivers (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
NL50423D 1934-05-22 NL50423C (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US726931A US2073344A (en) 1934-05-22 1934-05-22 Superheterodyne receiver
US59021A US2073345A (en) 1934-05-22 1936-01-14 Superheterodyne receiver

Publications (1)

Publication Number Publication Date
NL50423C true NL50423C (de)

Family

ID=26738271

Family Applications (2)

Application Number Title Priority Date Filing Date
NL51540D NL51540C (de) 1934-05-22
NL50423D NL50423C (de) 1934-05-22

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL51540D NL51540C (de) 1934-05-22

Country Status (5)

Country Link
US (1) US2073345A (de)
DE (1) DE754303C (de)
FR (1) FR790235A (de)
GB (1) GB442477A (de)
NL (2) NL50423C (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2813155A (en) * 1954-02-23 1957-11-12 Motorola Inc Tone control for radio-phonograph combination
US3231840A (en) * 1962-04-25 1966-01-25 Hammond Organ Co Tuning coil arrangement

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE485660C (de) * 1925-10-08 1929-11-06 Radiofrequenz G M B H Zwischenfrequenzverstaerker unter Verwendung von frequenzlinearen Abstimmitteln
NL38500C (de) * 1932-07-24

Also Published As

Publication number Publication date
DE754303C (de) 1953-05-18
NL51540C (de)
US2073345A (en) 1937-03-09
GB442477A (en) 1936-02-10
FR790235A (fr) 1935-11-16

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