FR1149642A - Dispositif pour la correction variable d'une amplitude - Google Patents

Dispositif pour la correction variable d'une amplitude

Info

Publication number
FR1149642A
FR1149642A FR1149642DA FR1149642A FR 1149642 A FR1149642 A FR 1149642A FR 1149642D A FR1149642D A FR 1149642DA FR 1149642 A FR1149642 A FR 1149642A
Authority
FR
France
Prior art keywords
amplitude
variable correction
correction
variable
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
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.)
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 FR1149642A publication Critical patent/FR1149642A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/20—Circuitry for controlling amplitude response
    • H04N5/205—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic
    • H04N5/208—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic for compensating for attenuation of high frequency components, e.g. crispening, aperture distortion correction
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
    • H03F1/18—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of distributed coupling, i.e. distributed amplifiers
    • H03F1/20—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of distributed coupling, i.e. distributed amplifiers in discharge-tube amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Picture Signal Circuits (AREA)
  • Processing Of Color Television Signals (AREA)
FR1149642D 1955-05-17 1956-05-17 Dispositif pour la correction variable d'une amplitude Expired FR1149642A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL340864X 1955-05-17

Publications (1)

Publication Number Publication Date
FR1149642A true FR1149642A (fr) 1957-12-30

Family

ID=19784698

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1149642D Expired FR1149642A (fr) 1955-05-17 1956-05-17 Dispositif pour la correction variable d'une amplitude

Country Status (6)

Country Link
US (1) US2920194A (fr)
BE (1) BE547843A (fr)
CH (1) CH340864A (fr)
DE (1) DE1078612B (fr)
FR (1) FR1149642A (fr)
GB (1) GB789934A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3138762A (en) * 1957-07-20 1964-06-23 Reintjes Karl Discharge device having cathode voltage drop effecting control of opposite tube
US3247462A (en) * 1963-08-19 1966-04-19 Tektronix Inc Balanced paraphase amplifier including a feed forward path
DE1292182B (de) * 1963-10-11 1969-04-10 Siemens Ag Schaltungsanordnung zur Erhoehung der Speicherdichte auf magnetischen Aufzeichnungstraegern durch Kompression der Impulsdauer
US3430068A (en) * 1966-01-10 1969-02-25 Electrohome Ltd Transistor noise suppression network particularly for television receivers
US3422286A (en) * 1966-08-26 1969-01-14 Us Army Limiter,phase-shifter circuit

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2263376A (en) * 1938-06-28 1941-11-18 Emi Ltd Electric wave filter or the like
GB529044A (en) * 1939-05-09 1940-11-13 Cossor Ltd A C Improvements in electric circuits comprising electronic discharge devices
US2465840A (en) * 1942-06-17 1949-03-29 Emi Ltd Electrical network for forming and shaping electrical waves
US2542066A (en) * 1943-03-30 1951-02-20 Arthur A Varela Periodic high-voltage impulse generator
US2476900A (en) * 1945-04-30 1949-07-19 Farnsworth Res Corp Variable gain amplifier

Also Published As

Publication number Publication date
BE547843A (fr)
CH340864A (de) 1959-09-15
GB789934A (en) 1958-01-29
US2920194A (en) 1960-01-05
DE1078612B (de) 1960-03-31

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