DE885873C - UEberlagerungsempfaenger fuer sehr kurze Wellen - Google Patents

UEberlagerungsempfaenger fuer sehr kurze Wellen

Info

Publication number
DE885873C
DE885873C DEN2306D DEN0002306D DE885873C DE 885873 C DE885873 C DE 885873C DE N2306 D DEN2306 D DE N2306D DE N0002306 D DEN0002306 D DE N0002306D DE 885873 C DE885873 C DE 885873C
Authority
DE
Germany
Prior art keywords
short
point
shield
vibrations
mixing tube
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
DEN2306D
Other languages
German (de)
English (en)
Inventor
Kornelis Swier Knol
Aldert Van Der Ziel
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of DE885873C publication Critical patent/DE885873C/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/14—Balanced arrangements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/14—Balanced arrangements
    • H03D7/1408—Balanced arrangements with diodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/54—Amplifiers using transit-time effect in tubes or semiconductor devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H2/00—Networks using elements or techniques not provided for in groups H03H3/00 - H03H21/00
    • H03H2/005—Coupling circuits between transmission lines or antennas and transmitters, receivers or amplifiers
    • H03H2/008—Receiver or amplifier input circuits
    • 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
    • H04B1/12—Neutralising, balancing, or compensation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or interference
    • H04B15/02—Reducing interference from electric apparatus by means located at or near the interfering apparatus
    • H04B15/04—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder
    • H04B15/06—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder by local oscillators of receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/06—Answer-back mechanisms or circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L15/00—Apparatus or local circuits for transmitting or receiving dot-and-dash codes, e.g. Morse code
    • H04L15/04—Apparatus or circuits at the transmitting end
    • H04L15/22—Apparatus or circuits for sending one or a restricted number of signals, e.g. distress signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Noise Elimination (AREA)
DEN2306D 1941-07-30 1942-07-28 UEberlagerungsempfaenger fuer sehr kurze Wellen Expired DE885873C (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL102359A NL60852C (enrdf_load_stackoverflow) 1941-07-30 1941-07-30

Publications (1)

Publication Number Publication Date
DE885873C true DE885873C (de) 1953-08-10

Family

ID=41667547

Family Applications (1)

Application Number Title Priority Date Filing Date
DEN2306D Expired DE885873C (de) 1941-07-30 1942-07-28 UEberlagerungsempfaenger fuer sehr kurze Wellen

Country Status (5)

Country Link
US (1) US2505251A (enrdf_load_stackoverflow)
DE (1) DE885873C (enrdf_load_stackoverflow)
FR (1) FR884515A (enrdf_load_stackoverflow)
GB (1) GB609542A (enrdf_load_stackoverflow)
NL (1) NL60852C (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2562342A (en) * 1946-02-18 1951-07-31 Oliver I Steigerwalt Transmitter output coupling circuit
US2772355A (en) * 1951-07-05 1956-11-27 Polytechnic Res & Dev Co Inc Wide range tuner
US2771548A (en) * 1952-07-08 1956-11-20 Polytechnic Res & Dev Co Inc Receiver tunable over v. h. f. and u. h. f. television bands
DE973679C (de) * 1952-07-25 1960-04-28 Telefunken Gmbh Schaltungsanordnung zur Unterdruckung der Ausstrahlung der Oberwellen eines Oszillators eines UKW-Empfaengers
US2931900A (en) * 1955-01-31 1960-04-05 David M Goodman Electrical testing
US3558969A (en) * 1967-12-13 1971-01-26 Philips Corp Electron discharge tube having an anode forming part of a lecher-line with a heat dissipating element

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2052888A (en) * 1932-04-05 1936-09-01 Rca Corp Short wave signaling

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2011942A (en) * 1932-01-16 1935-08-20 Rca Corp Ultra short wave receiver
US2326801A (en) * 1938-09-22 1943-08-17 George E Pray High frequency tubes and circuits
US2260840A (en) * 1939-08-19 1941-10-28 Gen Electric Temperature control system
US2382693A (en) * 1940-02-24 1945-08-14 Dallenbach Walter Oscillator-modulator circuit
US2260844A (en) * 1940-03-12 1941-10-28 Gen Electric Ultra high frequency converter
GB570359A (en) * 1940-06-21 1945-07-04 Standard Telephones Cables Ltd Improvements in or relating to lecher wire systems

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2052888A (en) * 1932-04-05 1936-09-01 Rca Corp Short wave signaling

Also Published As

Publication number Publication date
GB609542A (en) 1948-10-04
US2505251A (en) 1950-04-25
FR884515A (fr) 1943-08-19
NL60852C (enrdf_load_stackoverflow) 1947-05-16

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