BR7018271D0 - Um circuito seletor de canal - Google Patents

Um circuito seletor de canal

Info

Publication number
BR7018271D0
BR7018271D0 BR218271/70A BR21827170A BR7018271D0 BR 7018271 D0 BR7018271 D0 BR 7018271D0 BR 218271/70 A BR218271/70 A BR 218271/70A BR 21827170 A BR21827170 A BR 21827170A BR 7018271 D0 BR7018271 D0 BR 7018271D0
Authority
BR
Brazil
Prior art keywords
selecting circuit
channel selecting
channel
circuit
selecting
Prior art date
Application number
BR218271/70A
Other languages
English (en)
Inventor
Inc Motorola
Original Assignee
Inc Motorola
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 Inc Motorola filed Critical Inc Motorola
Publication of BR7018271D0 publication Critical patent/BR7018271D0/pt

Links

Classifications

    • 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
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
    • H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
    • H03J3/185—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance with varactors, i.e. voltage variable reactive diodes
BR218271/70A 1969-04-18 1970-04-15 Um circuito seletor de canal BR7018271D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US81737969A 1969-04-18 1969-04-18

Publications (1)

Publication Number Publication Date
BR7018271D0 true BR7018271D0 (pt) 1973-05-17

Family

ID=25222954

Family Applications (1)

Application Number Title Priority Date Filing Date
BR218271/70A BR7018271D0 (pt) 1969-04-18 1970-04-15 Um circuito seletor de canal

Country Status (4)

Country Link
US (1) US3596183A (pt)
BR (1) BR7018271D0 (pt)
CA (1) CA918761A (pt)
DE (1) DE2018342B2 (pt)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2028400B2 (de) * 1970-06-09 1978-04-27 Standard Elektrik Lorenz Ag, 7000 Stuttgart Tastschaltung für eine programmierte Frequenzwahl in Rundfunk- und Fernsehgeräten
DE2041403A1 (de) * 1970-08-14 1972-02-17 Loewe Opta Gmbh Verfahren zur Kanalwahl fuer Empfangsgeraete
DE2107714C3 (de) * 1971-02-18 1981-08-06 Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig & Co KG, 8510 Fürth Schaltung zum Umschalten der Resonanzfrequenzen elektrischer Schwingkreise
US3766407A (en) * 1971-03-26 1973-10-16 Grundig Emv Arrangement for applying a signal to a selected line
US3746886A (en) * 1971-10-15 1973-07-17 Warwick Electronics Inc Memory circuit
US3811100A (en) * 1972-04-20 1974-05-14 Motorola Inc Channel selector and indicator for multi-channel receiver
JPS5234162B2 (pt) * 1972-04-27 1977-09-01
NL7211592A (pt) * 1972-08-25 1974-02-27
JPS5338041B2 (pt) * 1973-03-29 1978-10-13
US3895303A (en) * 1973-09-04 1975-07-15 Gen Res Electronics Inc Oscillator-actuated bandswitch
DE2357371C2 (de) * 1973-11-16 1982-08-12 Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka Kanalwähler
JPS5442201B2 (pt) * 1973-11-26 1979-12-13
JPS51130112A (en) * 1975-05-06 1976-11-12 General Res Obu Erekutoronitsukusu:Kk Signal probing receiver
IT1075338B (it) * 1977-04-15 1985-04-22 Philips Spa Unita' di selezione di canali per apparecchi televisivi
US4914679A (en) * 1987-07-27 1990-04-03 Hitachi, Ltd. Fuel assembly
US8374566B2 (en) * 2008-04-04 2013-02-12 Nxp B.V. Integrated wideband RF tracking filter for RF front end with parallel band switched tuned amplifiers

Also Published As

Publication number Publication date
DE2018342B2 (de) 1973-10-25
DE2018342A1 (de) 1971-01-07
US3596183A (en) 1971-07-27
CA918761A (en) 1973-01-09

Similar Documents

Publication Publication Date Title
BE746024A (fr) Four a inducteur du type en canal
CH532868A (de) Fernmeldeanlage
FI54331B (fi) Hjaelpmetallhaltig sinterhaordmetall-legering och foerfarande foer dess framstaellning
CH520344A (fr) Ecran de projection
BR7018271D0 (pt) Um circuito seletor de canal
BR7017881D0 (pt) Circuito de lastro de avanco
BR7306282D0 (pt) Circuito de deflexao
BR7307350D0 (pt) Circuito de comutacao
BE747207A (fr) Perfectionnements aux sonnettes de battage
BR7309737D0 (pt) Aperfeicoamentos em circuito de protecao
CH488345A (de) Multiplex-Einrichtung
CH522950A (fr) Caméra de télévision
BR7310284D0 (pt) Um circuito de deflexao aperfeicoado
FI56464B (fi) Faergblandning och foerfarande foer dess framstaellning
BR7305734D0 (pt) Aparelho de interrupcao de circuito
BR7019998D0 (pt) Um disjuntor
BE748861A (fr) Ralentisseur a mastic de silicone
BR7303339D0 (pt) Circuito de interface acoplado otocamente
BR7100419D0 (pt) Circuito de correcao de lineavidade
IT984114B (it) Circuito di protezione
NL174398C (nl) Scintillatie-camera.
FI50452C (fi) Muhvi
AR192212A1 (es) Un circuito a transistor
BR7016630D0 (pt) Circuito multiplicador de frequencia
AT291366B (de) Kanalwähler