JPS556994A - Frequency selection tuning means - Google Patents

Frequency selection tuning means

Info

Publication number
JPS556994A
JPS556994A JP6140679A JP6140679A JPS556994A JP S556994 A JPS556994 A JP S556994A JP 6140679 A JP6140679 A JP 6140679A JP 6140679 A JP6140679 A JP 6140679A JP S556994 A JPS556994 A JP S556994A
Authority
JP
Japan
Prior art keywords
frequency selection
tuning means
selection tuning
frequency
tuning
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.)
Pending
Application number
JP6140679A
Other languages
Japanese (ja)
Inventor
Jiyooji Kotsukusu Uorutaa
Suuifuto Sutefuan
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of JPS556994A publication Critical patent/JPS556994A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H03J7/06—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using counters or frequency dividers
    • H03J7/065—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using counters or frequency dividers the counter or frequency divider being used in a phase locked loop
    • 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
    • H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
    • H03J5/0272—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer
    • H03J5/0281—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer the digital values being held in an auxiliary non erasable memory
JP6140679A 1978-05-19 1979-05-18 Frequency selection tuning means Pending JPS556994A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPD444178 1978-05-19
AUPD599778 1978-09-18

Publications (1)

Publication Number Publication Date
JPS556994A true JPS556994A (en) 1980-01-18

Family

ID=25642223

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6140679A Pending JPS556994A (en) 1978-05-19 1979-05-18 Frequency selection tuning means

Country Status (6)

Country Link
JP (1) JPS556994A (en)
AU (1) AU4646579A (en)
DE (1) DE2918503A1 (en)
FR (1) FR2426362A1 (en)
GB (1) GB2021887A (en)
ZA (1) ZA791982B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS593891B2 (en) * 1979-01-17 1984-01-26 ソニー株式会社 Reception detection circuit
JPS5885623A (en) * 1981-11-18 1983-05-23 Pioneer Electronic Corp Tuning method of amplitude modulation receiver
DE3319250A1 (en) * 1983-05-27 1984-11-29 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover Receiver with automatic location finding
US4737993A (en) * 1987-01-21 1988-04-12 Rca Corporation Cable broadcast TV receiver with automatic channel search responsive to mode change
JP2625759B2 (en) * 1987-09-22 1997-07-02 ソニー株式会社 Auto tuning device
US5023938A (en) * 1988-06-03 1991-06-11 Pioneer Electronic Corporation Station selecting device in tuner for automatic selection according to input information
US4914517A (en) * 1989-04-06 1990-04-03 Thomson Consumer Electronics, Inc. Tuner control apparatus having tune-by-label capability and using alphabetical label storage
DE3913278A1 (en) * 1989-04-22 1990-10-25 Thomson Brandt Gmbh BROADCAST RECEIVER WITH DIGITAL FREQUENCY ENTRY
US5045947A (en) * 1989-05-31 1991-09-03 Jack Beery Television receiver having memory control for tune-by-label feature
US5963269A (en) * 1995-06-07 1999-10-05 Beery; Jack Apparatus for controlling a television receiver using a plurality of stored labels

Also Published As

Publication number Publication date
GB2021887A (en) 1979-12-05
FR2426362A1 (en) 1979-12-14
AU4646579A (en) 1979-11-22
DE2918503A1 (en) 1979-11-29
ZA791982B (en) 1980-04-30

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