FR2002979A1 - Circuit a retard de commande automatique de gain pour recepteur de television - Google Patents

Circuit a retard de commande automatique de gain pour recepteur de television

Info

Publication number
FR2002979A1
FR2002979A1 FR6904675A FR6904675A FR2002979A1 FR 2002979 A1 FR2002979 A1 FR 2002979A1 FR 6904675 A FR6904675 A FR 6904675A FR 6904675 A FR6904675 A FR 6904675A FR 2002979 A1 FR2002979 A1 FR 2002979A1
Authority
FR
France
Prior art keywords
delay circuit
gain control
television receiver
automatic gain
control delay
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.)
Granted
Application number
FR6904675A
Other languages
English (en)
French (fr)
Other versions
FR2002979B1 (en:Method
Inventor
L.Lehmann William
C.Marsh James Jr.
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Publication of FR2002979A1 publication Critical patent/FR2002979A1/fr
Application granted granted Critical
Publication of FR2002979B1 publication Critical patent/FR2002979B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/52—Automatic gain control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Superheterodyne Receivers (AREA)
  • Circuits Of Receivers In General (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
FR6904675A 1968-03-01 1969-02-24 Circuit a retard de commande automatique de gain pour recepteur de television Granted FR2002979A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US70970368A 1968-03-01 1968-03-01

Publications (2)

Publication Number Publication Date
FR2002979A1 true FR2002979A1 (fr) 1969-11-07
FR2002979B1 FR2002979B1 (en:Method) 1974-02-22

Family

ID=24851000

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6904675A Granted FR2002979A1 (fr) 1968-03-01 1969-02-24 Circuit a retard de commande automatique de gain pour recepteur de television

Country Status (7)

Country Link
US (1) US3548315A (en:Method)
BE (1) BE728367A (en:Method)
DE (1) DE1909974C3 (en:Method)
ES (1) ES364172A1 (en:Method)
FR (1) FR2002979A1 (en:Method)
GB (1) GB1238009A (en:Method)
NL (1) NL157165B (en:Method)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3662271A (en) * 1969-07-07 1972-05-09 Standard Kollsman Ind Inc Solid state television tuner
US3688198A (en) * 1971-04-14 1972-08-29 Rca Corp Vhf and uhf automatic gain control circuitry derived from a single control voltage
DE3115683C2 (de) * 1981-04-18 1983-07-28 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Schaltungsanordnung zur verzögerten, automatischen Verstärkungsregelung
US4411019A (en) * 1982-01-25 1983-10-18 Zenith Radio Corporation AGC System for television receivers

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2105641A (en) * 1935-05-03 1938-01-18 Rca Corp Automatic volume control circuit

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
US3548315A (en) 1970-12-15
NL157165B (nl) 1978-06-15
ES364172A1 (es) 1971-02-01
BE728367A (en:Method) 1969-07-16
NL6903146A (en:Method) 1969-09-03
DE1909974A1 (de) 1969-09-25
DE1909974B2 (de) 1975-11-13
FR2002979B1 (en:Method) 1974-02-22
DE1909974C3 (de) 1979-07-05
GB1238009A (en:Method) 1971-07-07

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Legal Events

Date Code Title Description
ST Notification of lapse