BR7503224A - Sistema comutador,seletor de canal eletronico e sistema seletor de comutador - Google Patents

Sistema comutador,seletor de canal eletronico e sistema seletor de comutador

Info

Publication number
BR7503224A
BR7503224A BR4126/75D BR7504126D BR7503224A BR 7503224 A BR7503224 A BR 7503224A BR 4126/75 D BR4126/75 D BR 4126/75D BR 7504126 D BR7504126 D BR 7504126D BR 7503224 A BR7503224 A BR 7503224A
Authority
BR
Brazil
Prior art keywords
switch
selector
electronic channel
channel selector
electronic
Prior art date
Application number
BR4126/75D
Other languages
English (en)
Portuguese (pt)
Inventor
H Leuschner
Original Assignee
Texas Instruments Inc
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
Priority claimed from US472329A external-priority patent/US3914698A/en
Priority claimed from US472312A external-priority patent/US3918002A/en
Priority claimed from US472311A external-priority patent/US3903433A/en
Application filed by Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of BR7503224A publication Critical patent/BR7503224A/pt

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K21/00—Details of pulse counters or frequency dividers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/18—Control by auxiliary power
    • H03J1/22—Control by auxiliary power with stepping arrangements actuated by control pulses
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H03J5/0218—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, by selecting the corresponding analogue value between a set of preset values
    • H03J5/0227—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, by selecting the corresponding analogue value between a set of preset values using a counter
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K21/00—Details of pulse counters or frequency dividers
    • H03K21/08—Output circuits
BR4126/75D 1974-05-22 1975-05-22 Sistema comutador,seletor de canal eletronico e sistema seletor de comutador BR7503224A (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US472329A US3914698A (en) 1974-05-22 1974-05-22 Electronic selector system
US472312A US3918002A (en) 1974-05-22 1974-05-22 Electronic channel selector system with preset-at-power-on feature
US472311A US3903433A (en) 1974-05-22 1974-05-22 Television channel selector

Publications (1)

Publication Number Publication Date
BR7503224A true BR7503224A (pt) 1976-04-27

Family

ID=27413202

Family Applications (1)

Application Number Title Priority Date Filing Date
BR4126/75D BR7503224A (pt) 1974-05-22 1975-05-22 Sistema comutador,seletor de canal eletronico e sistema seletor de comutador

Country Status (5)

Country Link
JP (1) JPS5124102A (OSRAM)
BR (1) BR7503224A (OSRAM)
DE (1) DE2522475A1 (OSRAM)
FR (1) FR2272532B1 (OSRAM)
GB (1) GB1511016A (OSRAM)

Also Published As

Publication number Publication date
GB1511016A (en) 1978-05-17
JPS5124102A (OSRAM) 1976-02-26
DE2522475A1 (de) 1975-12-04
FR2272532B1 (OSRAM) 1981-02-06
FR2272532A1 (OSRAM) 1975-12-19

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