GB1570172A - Channel selector for a television receiver - Google Patents

Channel selector for a television receiver Download PDF

Info

Publication number
GB1570172A
GB1570172A GB1433378A GB1433378A GB1570172A GB 1570172 A GB1570172 A GB 1570172A GB 1433378 A GB1433378 A GB 1433378A GB 1433378 A GB1433378 A GB 1433378A GB 1570172 A GB1570172 A GB 1570172A
Authority
GB
United Kingdom
Prior art keywords
group
switch
tuning
channel
line
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
GB1433378A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB1570172A publication Critical patent/GB1570172A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03JTUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00Discontinuous 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
    • H03J5/02Discontinuous 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
    • H03J5/0218Discontinuous 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

Landscapes

  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
GB1433378A 1977-04-15 1978-04-12 Channel selector for a television receiver Expired GB1570172A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2253877A IT1075338B (it) 1977-04-15 1977-04-15 Unita' di selezione di canali per apparecchi televisivi

Publications (1)

Publication Number Publication Date
GB1570172A true GB1570172A (en) 1980-06-25

Family

ID=11197576

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1433378A Expired GB1570172A (en) 1977-04-15 1978-04-12 Channel selector for a television receiver

Country Status (5)

Country Link
DE (1) DE2814906A1 (de)
ES (1) ES468745A1 (de)
FR (1) FR2387550A1 (de)
GB (1) GB1570172A (de)
IT (1) IT1075338B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS618661Y2 (de) * 1979-08-11 1986-03-18

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3596183A (en) * 1969-04-18 1971-07-27 Motorola Inc Multiband tuning control system with programmable electronic switching
NL6906705A (de) * 1969-05-02 1970-11-04
GB1519189A (en) * 1974-10-31 1978-07-26 Clarion Co Ltd Tuning device for producing a tuning voltage

Also Published As

Publication number Publication date
DE2814906A1 (de) 1978-10-19
FR2387550B1 (de) 1982-01-08
ES468745A1 (es) 1979-01-01
FR2387550A1 (fr) 1978-11-10
IT1075338B (it) 1985-04-22

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Legal Events

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