GB1290091A - - Google Patents

Info

Publication number
GB1290091A
GB1290091A GB1290091DA GB1290091A GB 1290091 A GB1290091 A GB 1290091A GB 1290091D A GB1290091D A GB 1290091DA GB 1290091 A GB1290091 A GB 1290091A
Authority
GB
United Kingdom
Prior art keywords
transistor
base
resistor
over
pulses
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)
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 filed Critical
Publication of GB1290091A publication Critical patent/GB1290091A/en
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
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/52—Automatic gain control
    • H04N5/53—Keyed automatic gain control
    • 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
    • H04N5/14—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)
  • Picture Signal Circuits (AREA)
  • Amplifiers (AREA)
  • Television Receiver Circuits (AREA)
GB1290091D 1969-03-03 1970-03-02 Expired GB1290091A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80359069A 1969-03-03 1969-03-03

Publications (1)

Publication Number Publication Date
GB1290091A true GB1290091A (de) 1972-09-20

Family

ID=25186935

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1290091D Expired GB1290091A (de) 1969-03-03 1970-03-02

Country Status (8)

Country Link
JP (1) JPS5520432B1 (de)
CA (1) CA950579A (de)
DE (1) DE2009956C3 (de)
ES (1) ES377084A1 (de)
FR (1) FR2031331A5 (de)
GB (1) GB1290091A (de)
MY (1) MY7300452A (de)
NL (1) NL170083C (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10158361B2 (en) 2014-03-05 2018-12-18 Measurement Specialties, Inc. Ultrasonic and strain dual mode sensor for contact switch

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS521252B1 (de) * 1970-03-27 1977-01-13
IT986801B (it) * 1970-05-19 1975-01-30 Rca Corp Circuito per il controllo automa tico del guadagno

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10158361B2 (en) 2014-03-05 2018-12-18 Measurement Specialties, Inc. Ultrasonic and strain dual mode sensor for contact switch

Also Published As

Publication number Publication date
JPS5520432B1 (de) 1980-06-02
ES377084A1 (es) 1972-06-01
DE2009956C3 (de) 1978-10-05
NL7002928A (de) 1970-09-07
NL170083B (nl) 1982-04-16
MY7300452A (en) 1973-12-31
DE2009956B2 (de) 1974-04-25
NL170083C (nl) 1982-09-16
DE2009956A1 (de) 1970-09-24
CA950579A (en) 1974-07-02
FR2031331A5 (de) 1970-11-13

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee