CH231618A - Uberlagerungsempfänger mit selbsttätiger Frequenzregelung. - Google Patents

Uberlagerungsempfänger mit selbsttätiger Frequenzregelung.

Info

Publication number
CH231618A
CH231618A CH231618DA CH231618A CH 231618 A CH231618 A CH 231618A CH 231618D A CH231618D A CH 231618DA CH 231618 A CH231618 A CH 231618A
Authority
CH
Switzerland
Prior art keywords
frequency control
automatic frequency
overlay receiver
overlay
receiver
Prior art date
Application number
Other languages
English (en)
Inventor
Gloeilampenfabrieken N Philips
Original Assignee
Philips Nv
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 Nv filed Critical Philips Nv
Publication of CH231618A publication Critical patent/CH231618A/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H03J7/042—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant with reactance tube
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H03J7/14—Controlling the magnetic state of inductor cores
    • 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
    • H04B1/30—Circuits for homodyne or synchrodyne receivers
    • 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
    • H04B1/30—Circuits for homodyne or synchrodyne receivers
    • H04B1/302—Circuits for homodyne or synchrodyne receivers for single sideband receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Superheterodyne Receivers (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Amplifiers (AREA)
  • Noise Elimination (AREA)
  • Networks Using Active Elements (AREA)
CH231618D 1941-08-16 1942-08-14 Uberlagerungsempfänger mit selbsttätiger Frequenzregelung. CH231618A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL102584A NL65489C (de) 1941-08-16 1941-08-16

Publications (1)

Publication Number Publication Date
CH231618A true CH231618A (de) 1944-03-31

Family

ID=40627386

Family Applications (2)

Application Number Title Priority Date Filing Date
CH231618D CH231618A (de) 1941-08-16 1942-08-14 Uberlagerungsempfänger mit selbsttätiger Frequenzregelung.
CH256781D CH256781A (de) 1941-08-16 1944-04-14 Uberlagerungsempfänger mit selbsttätiger Frequenzregelung.

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH256781D CH256781A (de) 1941-08-16 1944-04-14 Uberlagerungsempfänger mit selbsttätiger Frequenzregelung.

Country Status (7)

Country Link
US (3) US2483314A (de)
BE (1) BE446845A (de)
CH (2) CH231618A (de)
DE (3) DE869223C (de)
FR (3) FR885191A (de)
GB (3) GB616358A (de)
NL (2) NL65489C (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2891158A (en) * 1951-06-30 1959-06-16 Cgs Lab Inc Ferrite stabilizing system
US2857479A (en) * 1953-03-20 1958-10-21 Bell Telephone Labor Inc Distortion reducing tuned amplifier
US2811639A (en) * 1953-05-26 1957-10-29 Cgs Lab Inc Signal generating apparatus
US2882391A (en) * 1954-09-07 1959-04-14 Gen Motors Corp Electric radio tuner
DE1158128B (de) * 1959-04-27 1963-11-28 Robertshaw Fulton Controls Co Empfaenger fuer phasenmodulierte Hochfrequenzschwingungen
US3676582A (en) * 1971-03-03 1972-07-11 Gen Electric Emphasized carrier circuit with integral afc operation
US5552036A (en) * 1994-06-01 1996-09-03 Foret; Todd L. Process for reducing the level of sulfur in a refinery process stream and/or crude oil
WO2011148803A1 (ja) * 2010-05-28 2011-12-01 株式会社村田製作所 電力伝送システム
TWI608694B (zh) * 2015-05-13 2017-12-11 Fu Tzu Hsu Static magnetoresistive magnetic amplifying device

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1642173A (en) * 1921-03-16 1927-09-13 Rca Corp Radio signaling system
US1681532A (en) * 1923-07-02 1928-08-21 Western Electric Co Transmission control
GB407057A (en) * 1932-09-09 1934-03-09 James Robinson Improvements in or relating to selective receivers for wave signals
US2133849A (en) * 1934-06-07 1938-10-18 Gen Electric Means for tuning receiving systems
NL79628B (de) * 1935-10-17
GB469077A (en) * 1936-01-10 1937-07-12 James Robinson Improvements in or relating to wireless and like receivers
US2200038A (en) * 1938-03-19 1940-05-07 Rca Corp Automatic frequency control circuit
US2268672A (en) * 1938-05-24 1942-01-06 Radio Patents Corp Selective amplifier
US2302893A (en) * 1939-09-29 1942-11-24 Rca Corp Variable inductance arrangement
NL63645C (de) * 1940-02-29

Also Published As

Publication number Publication date
DE889313C (de) 1953-09-10
US2483889A (en) 1949-10-04
DE869223C (de) 1953-03-02
GB630692A (en) 1949-10-19
GB632169A (en) 1949-11-17
US2483314A (en) 1949-09-27
CH256781A (de) 1948-08-31
FR53545E (fr) 1946-03-04
DE878971C (de) 1953-04-23
GB616358A (en) 1949-01-20
FR53543E (fr) 1946-03-04
US2595931A (en) 1952-05-06
NL65489C (de) 1949-06-15
FR885191A (fr) 1943-09-07
NL70087C (de) 1951-08-15
BE446845A (de)

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