NL51540C - - Google Patents

Info

Publication number
NL51540C
NL51540C NL51540DA NL51540C NL 51540 C NL51540 C NL 51540C NL 51540D A NL51540D A NL 51540DA NL 51540 C NL51540 C NL 51540C
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 NL51540C publication Critical patent/NL51540C/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)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
NL51540D 1934-05-22 NL51540C (pt)

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
NL51540C true NL51540C (pt)

Family

ID=26738271

Family Applications (2)

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

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL50423D NL50423C (pt) 1934-05-22

Country Status (5)

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

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 (pt) * 1932-07-24

Also Published As

Publication number Publication date
GB442477A (en) 1936-02-10
NL50423C (pt)
FR790235A (fr) 1935-11-16
DE754303C (de) 1953-05-18
US2073345A (en) 1937-03-09

Similar Documents

Publication Publication Date Title
FR767573A (pt)
FR767765A (pt)
FR767559A (pt)
FR760361A (pt)
FR759466A (pt)
BE402976A (pt)
BE401514A (pt)
NL45032C (pt)
BE402894A (pt)
NL51540C (pt)
NL42522C (pt)
NL40280C (pt)
BE414416A (pt)
BE412629A (pt)
BE408506A (pt)
BE403563A (pt)
BE403408A (pt)
BE403386A (pt)
BE403371A (pt)
BE403335A (pt)
BE403299A (pt)
BE403266A (pt)
BE402710A (pt)
BE402716A (pt)
BE402957A (pt)