NL191163C - Geheugenschakeling voor toepassing bij een elektronische afstemeenheid voor omroepsignalen. - Google Patents

Geheugenschakeling voor toepassing bij een elektronische afstemeenheid voor omroepsignalen.

Info

Publication number
NL191163C
NL191163C NL8000633A NL8000633A NL191163C NL 191163 C NL191163 C NL 191163C NL 8000633 A NL8000633 A NL 8000633A NL 8000633 A NL8000633 A NL 8000633A NL 191163 C NL191163 C NL 191163C
Authority
NL
Netherlands
Prior art keywords
memory circuit
broadcast signals
electronic tuner
tuner
electronic
Prior art date
Application number
NL8000633A
Other languages
English (en)
Dutch (nl)
Other versions
NL191163B (nl
NL8000633A (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 NL8000633A publication Critical patent/NL8000633A/nl
Publication of NL191163B publication Critical patent/NL191163B/xx
Application granted granted Critical
Publication of NL191163C publication Critical patent/NL191163C/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
    • H03J7/285—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 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Superheterodyne Receivers (AREA)
NL8000633A 1979-02-01 1980-01-31 Geheugenschakeling voor toepassing bij een elektronische afstemeenheid voor omroepsignalen. NL191163C (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1109979A JPS55102934A (en) 1979-02-01 1979-02-01 Variable frequency oscillation circuit
JP1109979 1979-02-01

Publications (3)

Publication Number Publication Date
NL8000633A NL8000633A (nl) 1980-08-05
NL191163B NL191163B (nl) 1994-09-16
NL191163C true NL191163C (nl) 1995-02-16

Family

ID=11768548

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8000633A NL191163C (nl) 1979-02-01 1980-01-31 Geheugenschakeling voor toepassing bij een elektronische afstemeenheid voor omroepsignalen.

Country Status (8)

Country Link
US (1) US4306309A (fr)
JP (1) JPS55102934A (fr)
AU (1) AU533318B2 (fr)
CA (1) CA1137234A (fr)
DE (1) DE3003751A1 (fr)
FR (1) FR2448253A1 (fr)
GB (1) GB2043377B (fr)
NL (1) NL191163C (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58172031A (ja) * 1982-04-01 1983-10-08 Sony Corp アツプダウンカウンタ制御回路
JPS5937725A (ja) * 1982-08-26 1984-03-01 Matsushita Electric Ind Co Ltd デイジタルチユ−ニングラジオ受信機
US4644349A (en) * 1983-08-25 1987-02-17 Matsushita Electric Industrial Co., Ltd. Control unit including a circuit for controlling and setting control data for a digital processing circuit of a color television receiver
JPS6195629A (ja) * 1984-10-16 1986-05-14 Sony Corp テレビジヨン受像機
JPS63125033U (fr) * 1987-02-05 1988-08-15
US5194954A (en) * 1990-06-29 1993-03-16 Thomson Consumer Electronics, Inc. Automatic channel sampling picture-in-picture circuitry
JPH0969758A (ja) * 1995-08-31 1997-03-11 Sony Corp 受信機
JPH09284738A (ja) * 1996-04-09 1997-10-31 Ekushingu:Kk 有線テレビ放送用端末装置及び有線テレビ放送システム
US6931076B2 (en) * 2002-12-31 2005-08-16 Intel Corporation Signal detector

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3882400A (en) * 1972-11-27 1975-05-06 Sony Corp Broadcast receiver
NL7414564A (nl) * 1973-11-16 1975-05-21 Int Standard Electric Corp Radio- of televisieontvanger met een zender- zoekinrichting.
DE2360865A1 (de) * 1973-12-06 1975-06-19 Juergen Schukey Aktionsmaschine
JPS5267201A (en) * 1975-12-01 1977-06-03 Matsushita Electric Ind Co Ltd Station selecting unit
GB1581525A (en) * 1976-08-04 1980-12-17 Plessey Co Ltd Frequency synthesis control system
JPS5350908A (en) * 1976-10-20 1978-05-09 Sanyo Electric Co Ltd Broadcast receiving memory unit
US4138647A (en) * 1977-06-28 1979-02-06 Rca Corporation Memory type tuning system for storing information for a limited number of preferred tuning positions
US4123713A (en) * 1977-06-28 1978-10-31 Rca Corporation Memory type tuning system with provisions to facilitate setup

Also Published As

Publication number Publication date
US4306309A (en) 1981-12-15
DE3003751A1 (de) 1980-08-07
GB2043377A (en) 1980-10-01
NL191163B (nl) 1994-09-16
JPS622733B2 (fr) 1987-01-21
AU5509080A (en) 1980-08-07
NL8000633A (nl) 1980-08-05
DE3003751C2 (fr) 1990-08-02
AU533318B2 (en) 1983-11-17
FR2448253B1 (fr) 1984-03-23
JPS55102934A (en) 1980-08-06
CA1137234A (fr) 1982-12-07
GB2043377B (en) 1983-05-11
FR2448253A1 (fr) 1980-08-29

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
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
V1 Lapsed because of non-payment of the annual fee

Effective date: 19960801