GB2003684B - Electronic tuning type receiver with digital to analog converter - Google Patents

Electronic tuning type receiver with digital to analog converter

Info

Publication number
GB2003684B
GB2003684B GB7834647A GB7834647A GB2003684B GB 2003684 B GB2003684 B GB 2003684B GB 7834647 A GB7834647 A GB 7834647A GB 7834647 A GB7834647 A GB 7834647A GB 2003684 B GB2003684 B GB 2003684B
Authority
GB
United Kingdom
Prior art keywords
digital
analog converter
type receiver
electronic tuning
tuning type
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
GB7834647A
Other versions
GB2003684A (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.)
Pioneer Corp
Original Assignee
Pioneer Electronic Corp
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 JP10398477A external-priority patent/JPS5437505A/en
Priority claimed from JP10398277A external-priority patent/JPS5437504A/en
Priority claimed from JP52103983A external-priority patent/JPS5843933B2/en
Application filed by Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Publication of GB2003684A publication Critical patent/GB2003684A/en
Application granted granted Critical
Publication of GB2003684B publication Critical patent/GB2003684B/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
    • H03J5/0245—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
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M1/08—Continuously compensating for, or preventing, undesired influence of physical parameters of noise
GB7834647A 1977-08-30 1978-08-25 Electronic tuning type receiver with digital to analog converter Expired GB2003684B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP10398477A JPS5437505A (en) 1977-08-30 1977-08-30 Electronic tuning receiver
JP10398277A JPS5437504A (en) 1977-08-30 1977-08-30 Electronic tuning receiver
JP52103983A JPS5843933B2 (en) 1977-08-30 1977-08-30 D-A converter

Publications (2)

Publication Number Publication Date
GB2003684A GB2003684A (en) 1979-03-14
GB2003684B true GB2003684B (en) 1982-05-19

Family

ID=27310119

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7834647A Expired GB2003684B (en) 1977-08-30 1978-08-25 Electronic tuning type receiver with digital to analog converter

Country Status (2)

Country Link
DE (1) DE2837646A1 (en)
GB (1) GB2003684B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4352173A (en) * 1979-04-09 1982-09-28 Lanier Business Products, Inc. Dictation display device

Also Published As

Publication number Publication date
GB2003684A (en) 1979-03-14
DE2837646A1 (en) 1979-03-08

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Legal Events

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