JPS53115101A - Radio receiver tuning system - Google Patents

Radio receiver tuning system

Info

Publication number
JPS53115101A
JPS53115101A JP3051578A JP3051578A JPS53115101A JP S53115101 A JPS53115101 A JP S53115101A JP 3051578 A JP3051578 A JP 3051578A JP 3051578 A JP3051578 A JP 3051578A JP S53115101 A JPS53115101 A JP S53115101A
Authority
JP
Japan
Prior art keywords
radio receiver
tuning system
receiver tuning
radio
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.)
Granted
Application number
JP3051578A
Other languages
Japanese (ja)
Other versions
JPS631775B2 (en
Inventor
Jiyooji Basu Kenesu
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.)
Texas Instruments Inc
Original Assignee
Texas Instruments Inc
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 US05/778,401 external-priority patent/US4093921A/en
Priority claimed from US05/778,400 external-priority patent/US4093922A/en
Application filed by Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of JPS53115101A publication Critical patent/JPS53115101A/en
Publication of JPS631775B2 publication Critical patent/JPS631775B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/0008—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor
    • H03J1/0033—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor for voltage synthesis with a D/A converter
    • 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
    • H03J5/0254—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 transfered to a D/A converter
    • H03J5/0263—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 transfered to a D/A converter the digital values being held in an auxiliary non erasable memory
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/18—Automatic scanning over a band of frequencies
    • H03J7/20—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element
    • H03J7/28—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using counters or frequency dividers
JP3051578A 1977-03-17 1978-03-16 Radio receiver tuning system Granted JPS53115101A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US77841377A 1977-03-17 1977-03-17
US05/778,401 US4093921A (en) 1977-03-17 1977-03-17 Microcomputer processing approach for a non-volatile TV station memory tuning system
US05/778,400 US4093922A (en) 1977-03-17 1977-03-17 Microcomputer processing approach for a non-volatile TV station memory tuning system

Publications (2)

Publication Number Publication Date
JPS53115101A true JPS53115101A (en) 1978-10-07
JPS631775B2 JPS631775B2 (en) 1988-01-14

Family

ID=27419739

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3051578A Granted JPS53115101A (en) 1977-03-17 1978-03-16 Radio receiver tuning system

Country Status (2)

Country Link
JP (1) JPS53115101A (en)
DE (1) DE2811032A1 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5228801A (en) * 1975-08-29 1977-03-04 Sony Corp Channel selector

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1521898A (en) * 1974-09-25 1978-08-16 Texas Instruments Inc Broadcast receiver channel selection system
US3962644A (en) * 1975-05-30 1976-06-08 Tennelec, Inc. Crystalless scanning radio receiver controlled by processing means

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5228801A (en) * 1975-08-29 1977-03-04 Sony Corp Channel selector

Also Published As

Publication number Publication date
JPS631775B2 (en) 1988-01-14
DE2811032A1 (en) 1978-09-28

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