CA1040766A - Tuner with digitally coded indicia - Google Patents

Tuner with digitally coded indicia

Info

Publication number
CA1040766A
CA1040766A CA216,788A CA216788A CA1040766A CA 1040766 A CA1040766 A CA 1040766A CA 216788 A CA216788 A CA 216788A CA 1040766 A CA1040766 A CA 1040766A
Authority
CA
Canada
Prior art keywords
digitally coded
indicia
frequency
broadcast receiver
tuning apparatus
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
CA216,788A
Other languages
English (en)
French (fr)
Inventor
Hisashi Suwa
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.)
Sony Corp
Original Assignee
Sony 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
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of CA1040766A publication Critical patent/CA1040766A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03JTUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/02Indicating arrangements
    • H03J1/04Indicating arrangements with optical indicating means
    • H03J1/041Pointers, markers, or the like, for tuning dials; Folding dials
    • 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
    • H03J5/0245Discontinuous 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
    • H03J5/0272Discontinuous 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • H03L7/183Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between fixed numbers or the frequency divider dividing by a fixed number

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Superheterodyne Receivers (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Circuits Of Receivers In General (AREA)
CA216,788A 1973-12-27 1974-12-24 Tuner with digitally coded indicia Expired CA1040766A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1974004684U JPS5092603U (en, 2012) 1973-12-27 1973-12-27

Publications (1)

Publication Number Publication Date
CA1040766A true CA1040766A (en) 1978-10-17

Family

ID=11590704

Family Applications (1)

Application Number Title Priority Date Filing Date
CA216,788A Expired CA1040766A (en) 1973-12-27 1974-12-24 Tuner with digitally coded indicia

Country Status (8)

Country Link
US (1) US3962641A (en, 2012)
JP (1) JPS5092603U (en, 2012)
CA (1) CA1040766A (en, 2012)
DE (1) DE2460536C2 (en, 2012)
FR (1) FR2256603B1 (en, 2012)
GB (1) GB1482769A (en, 2012)
IT (1) IT1028095B (en, 2012)
NL (1) NL7416884A (en, 2012)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5515409Y2 (en, 2012) * 1974-09-05 1980-04-09
IT1051262B (it) * 1975-11-11 1981-04-21 Indesit Sintonizzatore a sintesi di frequenza
DE2629606C2 (de) * 1976-07-01 1983-08-18 Braun Ag, 6000 Frankfurt Quasi-analoge-Anzeige von Kanälen in Rundfunkempfangsgeräten
GB1588949A (en) * 1977-03-30 1981-05-07 Sony Corp Tuning apparatus
JPS6035708B2 (ja) * 1977-06-04 1985-08-16 ソニー株式会社 コ−ド信号読み取り装置
JPS5456301A (en) * 1977-08-08 1979-05-07 Pioneer Electronic Corp Channel selection indicator for electronic tuning receiver
US4228542A (en) * 1977-10-17 1980-10-14 Pioneer Electronic Corporation Digital tuning FM stereophonic receiver including phase locked loop synthesizer
US4244055A (en) * 1977-10-17 1981-01-06 Pioneer Electronic Corporation Tuner with phase locked loop synthesizer
JPS5830325Y2 (ja) * 1977-12-29 1983-07-04 ソニー株式会社 選局装置の切換機構
CA1117673A (en) * 1977-12-29 1982-02-02 Hajime Shichijo Tuning apparatus
US4184447A (en) * 1977-12-29 1980-01-22 Sony Corporation Tuning apparatus
DE3011651A1 (de) * 1980-03-26 1981-10-01 Robert Bosch Gmbh, 7000 Stuttgart Durchstimmbarer oszillator

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2632058A (en) * 1946-03-22 1953-03-17 Bell Telephone Labor Inc Pulse code communication
US3491714A (en) * 1968-09-10 1970-01-27 Sylvania Electric Prod Channel indicating assembly
US3704423A (en) * 1970-11-23 1972-11-28 Bendix Corp Adf with remote digital tuning

Also Published As

Publication number Publication date
AU7687974A (en) 1976-06-24
FR2256603A1 (en, 2012) 1975-07-25
FR2256603B1 (en, 2012) 1980-12-19
NL7416884A (nl) 1975-07-01
JPS5092603U (en, 2012) 1975-08-05
IT1028095B (it) 1979-01-30
GB1482769A (en) 1977-08-17
US3962641A (en) 1976-06-08
DE2460536C2 (de) 1983-12-08
DE2460536A1 (de) 1975-07-10

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