IT1075338B - CHANNEL SELECTION UNIT FOR TELEVISION EQUIPMENT - Google Patents

CHANNEL SELECTION UNIT FOR TELEVISION EQUIPMENT

Info

Publication number
IT1075338B
IT1075338B IT2253877A IT2253877A IT1075338B IT 1075338 B IT1075338 B IT 1075338B IT 2253877 A IT2253877 A IT 2253877A IT 2253877 A IT2253877 A IT 2253877A IT 1075338 B IT1075338 B IT 1075338B
Authority
IT
Italy
Prior art keywords
selection unit
channel selection
television equipment
television
equipment
Prior art date
Application number
IT2253877A
Other languages
Italian (it)
Original Assignee
Philips Spa
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 Spa filed Critical Philips Spa
Priority to IT2253877A priority Critical patent/IT1075338B/en
Priority to DE19782814906 priority patent/DE2814906A1/en
Priority to GB1433378A priority patent/GB1570172A/en
Priority to FR7810782A priority patent/FR2387550A1/en
Priority to ES468745A priority patent/ES468745A1/en
Application granted granted Critical
Publication of IT1075338B publication Critical patent/IT1075338B/en

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
IT2253877A 1977-04-15 1977-04-15 CHANNEL SELECTION UNIT FOR TELEVISION EQUIPMENT IT1075338B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT2253877A IT1075338B (en) 1977-04-15 1977-04-15 CHANNEL SELECTION UNIT FOR TELEVISION EQUIPMENT
DE19782814906 DE2814906A1 (en) 1977-04-15 1978-04-06 CHANNEL SELECTOR FOR TELEVISION RECEIVER
GB1433378A GB1570172A (en) 1977-04-15 1978-04-12 Channel selector for a television receiver
FR7810782A FR2387550A1 (en) 1977-04-15 1978-04-12 CHANNEL SELECTOR FOR TELEVISION RECEIVER
ES468745A ES468745A1 (en) 1977-04-15 1978-04-13 Channel selector for a television receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2253877A IT1075338B (en) 1977-04-15 1977-04-15 CHANNEL SELECTION UNIT FOR TELEVISION EQUIPMENT

Publications (1)

Publication Number Publication Date
IT1075338B true IT1075338B (en) 1985-04-22

Family

ID=11197576

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2253877A IT1075338B (en) 1977-04-15 1977-04-15 CHANNEL SELECTION UNIT FOR TELEVISION EQUIPMENT

Country Status (5)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS618661Y2 (en) * 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 (en) * 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
ES468745A1 (en) 1979-01-01
FR2387550B1 (en) 1982-01-08
FR2387550A1 (en) 1978-11-10
DE2814906A1 (en) 1978-10-19
GB1570172A (en) 1980-06-25

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