GB420019A - Process and apparatus for the electric transmission of signals by high frequency waves - Google Patents

Process and apparatus for the electric transmission of signals by high frequency waves

Info

Publication number
GB420019A
GB420019A GB15069/33A GB1506933A GB420019A GB 420019 A GB420019 A GB 420019A GB 15069/33 A GB15069/33 A GB 15069/33A GB 1506933 A GB1506933 A GB 1506933A GB 420019 A GB420019 A GB 420019A
Authority
GB
United Kingdom
Prior art keywords
modulating
voltage
carrier
stage
valves
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
GB15069/33A
Other languages
English (en)
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.)
SIF Societe Independante de Telegraphie Sans Fil
Original Assignee
SIF Societe Independante de Telegraphie Sans Fil
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 SIF Societe Independante de Telegraphie Sans Fil filed Critical SIF Societe Independante de Telegraphie Sans Fil
Publication of GB420019A publication Critical patent/GB420019A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/02—Details
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/16—Amplitude modulation by means of discharge device having at least three electrodes
    • H03C1/18—Amplitude modulation by means of discharge device having at least three electrodes carrier applied to control grid
    • H03C1/22—Amplitude modulation by means of discharge device having at least three electrodes carrier applied to control grid modulating signal applied to same grid
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/16—Amplitude modulation by means of discharge device having at least three electrodes
    • H03C1/18—Amplitude modulation by means of discharge device having at least three electrodes carrier applied to control grid
    • H03C1/24—Amplitude modulation by means of discharge device having at least three electrodes carrier applied to control grid modulating signal applied to different grid
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/52—Modulators in which carrier or one sideband is wholly or partially suppressed
    • H03C1/54—Balanced modulators, e.g. bridge type, ring type or double balanced type
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C7/00—Modulating electromagnetic waves
    • H03C7/02—Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/38—Transmitter circuitry for the transmission of television signals according to analogue transmission standards

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Amplifiers (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Microwave Amplifiers (AREA)
GB15069/33A 1932-05-24 1933-05-24 Process and apparatus for the electric transmission of signals by high frequency waves Expired GB420019A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR751368T 1932-05-24
DE479302X 1935-11-21

Publications (1)

Publication Number Publication Date
GB420019A true GB420019A (en) 1934-11-23

Family

ID=40791336

Family Applications (2)

Application Number Title Priority Date Filing Date
GB15069/33A Expired GB420019A (en) 1932-05-24 1933-05-24 Process and apparatus for the electric transmission of signals by high frequency waves
GB22248/36A Expired GB479302A (en) 1932-05-24 1936-08-12 Improvements in or relating to modulated carrier wave radio and like transmitters

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB22248/36A Expired GB479302A (en) 1932-05-24 1936-08-12 Improvements in or relating to modulated carrier wave radio and like transmitters

Country Status (3)

Country Link
DE (1) DE665909C (de)
FR (7) FR751368A (de)
GB (2) GB420019A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2743421A (en) * 1951-11-02 1956-04-24 Lab For Electronics Inc Modulation circuit

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1035705B (de) * 1937-03-30 1958-08-07 Fernseh Gmbh Modulationsanordnung fuer Signale mit periodisch wiederkehrendem Extremwert

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2743421A (en) * 1951-11-02 1956-04-24 Lab For Electronics Inc Modulation circuit

Also Published As

Publication number Publication date
FR48008E (fr) 1937-10-16
GB479302A (en) 1938-02-03
FR810896A (fr) 1937-04-01
FR43463E (fr) 1934-06-07
FR43075E (fr) 1934-02-08
FR48817E (fr) 1938-07-12
FR43059E (fr) 1934-02-08
DE665909C (de) 1938-10-07
FR751368A (fr) 1933-09-02

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