NL187946C - Kanaalkiesinrichting. - Google Patents

Kanaalkiesinrichting.

Info

Publication number
NL187946C
NL187946C NLAANVRAGE7703740,A NL7703740A NL187946C NL 187946 C NL187946 C NL 187946C NL 7703740 A NL7703740 A NL 7703740A NL 187946 C NL187946 C NL 187946C
Authority
NL
Netherlands
Prior art keywords
channel selector
selector
channel
Prior art date
Application number
NLAANVRAGE7703740,A
Other languages
English (en)
Dutch (nl)
Other versions
NL7703740A (nl
NL187946B (nl
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
Publication of NL7703740A publication Critical patent/NL7703740A/xx
Publication of NL187946B publication Critical patent/NL187946B/xx
Application granted granted Critical
Publication of NL187946C publication Critical patent/NL187946C/xx

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
    • H03J7/18—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
    • 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
    • H03J7/02—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
NLAANVRAGE7703740,A 1976-04-05 1977-04-05 Kanaalkiesinrichting. NL187946C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51038007A JPS5946129B2 (ja) 1976-04-05 1976-04-05 選局装置

Publications (3)

Publication Number Publication Date
NL7703740A NL7703740A (nl) 1977-10-07
NL187946B NL187946B (nl) 1991-09-16
NL187946C true NL187946C (nl) 1992-02-17

Family

ID=12513506

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7703740,A NL187946C (nl) 1976-04-05 1977-04-05 Kanaalkiesinrichting.

Country Status (8)

Country Link
US (1) US4127821A (de)
JP (1) JPS5946129B2 (de)
AU (1) AU504640B2 (de)
CA (1) CA1069230A (de)
DE (1) DE2715032C2 (de)
FR (1) FR2347825A1 (de)
GB (1) GB1522574A (de)
NL (1) NL187946C (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2654847C3 (de) * 1976-12-03 1979-05-17 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltungsanordnung zur Fernsehsendererkennung
US4236182A (en) * 1977-04-30 1980-11-25 Sharp Kabushiki Kaisha Automatic pre-programming system for TV receivers
JPS5822342Y2 (ja) * 1977-12-02 1983-05-13 三洋電機株式会社 プリセツト受信装置の書込み回路
JPS593891B2 (ja) * 1979-01-17 1984-01-26 ソニー株式会社 受信検出回路
CA1180139A (en) * 1979-09-14 1984-12-27 Isao Fujimoto Tuner apparatus
US4608712A (en) * 1982-03-10 1986-08-26 Motorola, Inc. Spontaneous channel continuity scanning radio
US4484357A (en) * 1982-03-10 1984-11-20 Motorola, Inc. Spontaneous channel continuity scanning radio
JP2011066733A (ja) * 2009-09-18 2011-03-31 Mitsumi Electric Co Ltd スーパーヘテロダイン方式の受信装置及び受信方法、並びに受信装置用半導体集積回路

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3675130A (en) * 1970-09-18 1972-07-04 Int Standard Electric Corp A circuit arrangement for effecting a tuning of a transceiver by means of a mangetic core memory
US3737565A (en) * 1970-11-09 1973-06-05 Zenith Radio Corp Signal detector for a signal-seeking tuning system
JPS555729B2 (de) * 1971-11-29 1980-02-08
DE2211664A1 (de) * 1972-03-10 1973-09-20 Loewe Opta Gmbh Abstimmeinheit fuer hochfrequenzempfangsgeraete
US3803494A (en) * 1972-04-07 1974-04-09 Bendix Corp Pulse tuning control system for radio receivers
US3999131A (en) * 1972-11-14 1976-12-21 Tokyo Shibaura Electric Co., Ltd. Channel-selecting apparatus for multichannel receivers
JPS5325721B2 (de) * 1973-11-07 1978-07-28
US3979680A (en) * 1973-11-15 1976-09-07 Matsushita Electric Industrial Co., Ltd. Channel selector
NL7414564A (nl) * 1973-11-16 1975-05-21 Int Standard Electric Corp Radio- of televisieontvanger met een zender- zoekinrichting.
DE2424613C3 (de) * 1974-05-21 1979-07-05 Texas Instruments Deutschland Gmbh, 8050 Freising Schaltungsanordnung zur automatischen Feinabstimmung eines Überlagerungsempfängers
DE2437974C3 (de) * 1974-08-07 1979-04-26 Texas Instruments Deutschland Gmbh, 8050 Freising Kanalsuch- und Kanalwählanordnung
DE2439777B2 (de) * 1974-08-20 1977-12-08 Schaltungsanordnung mit einer durch tasten oder taster bedienbaren steuerlogik in einem digitalen abstimmsystem fuer die steuerung eines sendersuch- und kanallaufs in zwei richtungen mit bereichsumschaltung in einem hochfrequenzempfaenger
US3968440A (en) * 1974-09-25 1976-07-06 Texas Instruments Incorporated Solid state television channel selection system
GB1518712A (en) * 1975-08-28 1978-07-26 Sony Corp Channel selecting apparatus
IT1047373B (it) * 1975-10-16 1980-09-10 Indesit Disposizione per selezionare una frequenza ricevibile in un ricevitore di segnali

Also Published As

Publication number Publication date
AU2322577A (en) 1978-09-21
FR2347825B1 (de) 1982-08-27
CA1069230A (en) 1980-01-01
JPS5946129B2 (ja) 1984-11-10
AU504640B2 (en) 1979-10-18
NL7703740A (nl) 1977-10-07
NL187946B (nl) 1991-09-16
US4127821A (en) 1978-11-28
DE2715032C2 (de) 1992-07-23
JPS52120702A (en) 1977-10-11
DE2715032A1 (de) 1977-10-13
FR2347825A1 (fr) 1977-11-04
GB1522574A (en) 1978-08-23

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V4 Discontinued because of reaching the maximum lifetime of a patent

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