GB1281061A - Channel selector and tuner combination - Google Patents

Channel selector and tuner combination

Info

Publication number
GB1281061A
GB1281061A GB42298/69A GB4229869A GB1281061A GB 1281061 A GB1281061 A GB 1281061A GB 42298/69 A GB42298/69 A GB 42298/69A GB 4229869 A GB4229869 A GB 4229869A GB 1281061 A GB1281061 A GB 1281061A
Authority
GB
United Kingdom
Prior art keywords
channel
circuits
channels
tuning
diode
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
GB42298/69A
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 JP43062206A external-priority patent/JPS4821169B1/ja
Priority claimed from JP7207268A external-priority patent/JPS4828561B1/ja
Priority claimed from JP7207368A external-priority patent/JPS4828562B1/ja
Priority claimed from JP8886568A external-priority patent/JPS4814361B1/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of GB1281061A publication Critical patent/GB1281061A/en
Expired legal-status Critical Current

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

Landscapes

  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Selective Calling Equipment (AREA)
GB42298/69A 1968-08-30 1969-08-25 Channel selector and tuner combination Expired GB1281061A (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP43062206A JPS4821169B1 (enrdf_load_stackoverflow) 1968-08-30 1968-08-30
JP7207268A JPS4828561B1 (enrdf_load_stackoverflow) 1968-10-01 1968-10-01
JP7207368A JPS4828562B1 (enrdf_load_stackoverflow) 1968-10-01 1968-10-01
JP7210468 1968-10-03
JP8886568A JPS4814361B1 (enrdf_load_stackoverflow) 1968-12-04 1968-12-04
JP1309969 1969-02-21

Publications (1)

Publication Number Publication Date
GB1281061A true GB1281061A (en) 1972-07-12

Family

ID=27548443

Family Applications (1)

Application Number Title Priority Date Filing Date
GB42298/69A Expired GB1281061A (en) 1968-08-30 1969-08-25 Channel selector and tuner combination

Country Status (4)

Country Link
DE (1) DE1944067C3 (enrdf_load_stackoverflow)
FR (1) FR2016659A1 (enrdf_load_stackoverflow)
GB (1) GB1281061A (enrdf_load_stackoverflow)
NL (1) NL152725B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2522247A1 (de) * 1974-05-20 1975-11-27 Matsushita Electric Ind Co Ltd Kanalwaehler

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2043259A1 (enrdf_load_stackoverflow) * 1969-04-14 1971-02-12 Matsushita Electric Industrial Co Ltd
JPS503883B1 (enrdf_load_stackoverflow) * 1969-04-16 1975-02-12
GB1316871A (en) * 1969-05-20 1973-05-16 Matsushita Electric Industrial Co Ltd Tuning system for selecting channels
DE2026107C3 (de) * 1969-05-29 1975-05-15 Rca Corp Kanalwähleinrichtung für einen Fernsehempfänger
DE2019376B2 (de) * 1970-04-22 1978-04-13 Standard Elektrik Lorenz Ag, 7000 Stuttgart Tastschaltung für eine programmierte Frequenzwahl in Rundfunk- und Fernsehgeräten
DE2028400B2 (de) * 1970-06-09 1978-04-27 Standard Elektrik Lorenz Ag, 7000 Stuttgart Tastschaltung für eine programmierte Frequenzwahl in Rundfunk- und Fernsehgeräten
JPS5119921B1 (enrdf_load_stackoverflow) * 1970-11-28 1976-06-21
JPS515883B1 (enrdf_load_stackoverflow) * 1970-12-18 1976-02-24
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
JPS5234162B2 (enrdf_load_stackoverflow) * 1972-04-27 1977-09-01
DE2221773C2 (de) * 1972-05-04 1979-04-05 Loewe Opta Gmbh, 1000 Berlin Schaltung zum Anschalten gespeicherter konstanter elektrischer Abstinunspanniingen für die Festsenderwahl in Geraten der Nachrichtentechnik
JPS5338041B2 (enrdf_load_stackoverflow) * 1973-03-29 1978-10-13
DE2330739C2 (de) * 1973-06-16 1982-03-04 Philips Patentverwaltung Gmbh, 2000 Hamburg Bedienungseinrichtung für ein Fernsehempfangsgerät
JPS5637728B2 (enrdf_load_stackoverflow) * 1974-07-05 1981-09-02

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2553366A (en) * 1949-06-15 1951-05-15 Pye Ltd Crystal controlled high-frequency oscillator
US3079462A (en) * 1958-07-21 1963-02-26 Rosenthal Walter Television receiver with picture selector device
US3264566A (en) * 1962-07-13 1966-08-02 Gen Instrument Corp Electronic switching of tuned circuits
FR1431746A (fr) * 1965-01-21 1966-03-18 Thomson Houston Comp Francaise Perfectionnements aux filtres électriques actifs
US3287494A (en) * 1966-02-17 1966-11-22 Motorola Inc Indicator for color television receivers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2522247A1 (de) * 1974-05-20 1975-11-27 Matsushita Electric Ind Co Ltd Kanalwaehler

Also Published As

Publication number Publication date
NL6913222A (enrdf_load_stackoverflow) 1970-03-03
NL152725B (nl) 1977-03-15
DE1944067A1 (de) 1970-03-05
DE1944067B2 (de) 1972-06-22
DE1944067C3 (de) 1973-01-04
FR2016659A1 (enrdf_load_stackoverflow) 1970-05-08

Similar Documents

Publication Publication Date Title
US3803494A (en) Pulse tuning control system for radio receivers
GB1281061A (en) Channel selector and tuner combination
US3824475A (en) Scanning radio receiver
US3736513A (en) Receiver tuning system
US4123724A (en) Communication equipment
GB1208849A (en) Electronic tuning device for radios
US3965336A (en) Radio or television receiver with an automatic station finding arrangement
US3596183A (en) Multiband tuning control system with programmable electronic switching
GB1372576A (en) Channel selection devices for television reseivers
GB1316871A (en) Tuning system for selecting channels
US3918002A (en) Electronic channel selector system with preset-at-power-on feature
US3794925A (en) Frequency-skipping system for a signal-seeking receiver
GB1423421A (en) System for controlling electronically the operation of tv receivers
US3961267A (en) Channel selecting control system for television tuner including unused channel skip system
GB1308010A (en) Signal seeking tuning systems
GB1401690A (en) Channel selecting apparatus
GB1445031A (en) Broadcast receivers
US3801914A (en) Priority-frequency system for a signal-seeking receiver
GB1420320A (en) Tuning apparatus
GB1484609A (en) Radio receiver
US4110690A (en) Channel selecting device
GB1455435A (en) Broadcast receivers and to remote control systems therefor
GB1396039A (en) Automatic tuning control circuits
US3755743A (en) Signal receiver with a plurality of tuners and automatic switching system for cyclically energizing the same
US4047112A (en) Channel selector employing variable capacitance elements for tuning

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
49R Reference inserted (sect. 9/1949)
PE20 Patent expired after termination of 20 years