KR830003982A - Channel checking device used in swept tuning system - Google Patents

Channel checking device used in swept tuning system Download PDF

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Publication number
KR830003982A
KR830003982A KR1019800002124A KR800002124A KR830003982A KR 830003982 A KR830003982 A KR 830003982A KR 1019800002124 A KR1019800002124 A KR 1019800002124A KR 800002124 A KR800002124 A KR 800002124A KR 830003982 A KR830003982 A KR 830003982A
Authority
KR
South Korea
Prior art keywords
voltage
channel
tuning
address
generating
Prior art date
Application number
KR1019800002124A
Other languages
Korean (ko)
Other versions
KR830002299B1 (en
Inventor
굿칠데 노리에 헨더손 죤
마틴 윈 찰스
죠셉 마투로 로버트
Original Assignee
에드워드 제이·노오턴
알·씨·에이·코퍼레이션
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 US06/043,765 external-priority patent/US4254506A/en
Application filed by 에드워드 제이·노오턴, 알·씨·에이·코퍼레이션 filed Critical 에드워드 제이·노오턴
Publication of KR830003982A publication Critical patent/KR830003982A/en
Application granted granted Critical
Publication of KR830002299B1 publication Critical patent/KR830002299B1/en

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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
    • 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
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)

Abstract

내용 없음No content

Description

스위프형 동조시스템 내에 사용하는 채널 확인 장치Channel checking device used in swept tuning system

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도, 제1a도, 제1b도 및 제1c도는 텔리비전 수상기에 사용되는 본 발명 동조시스템의 한 실시예를 개략적으로 도시한 계통도. 제3도는 본 발명 동조시스템에 사용된 경계전압메모리의 메모리 위치를 도시한 도면. 제5도 및 제6도는 본 발명에 사용된 경계전압 메모리를 프로그램하기 위한 장치를 도시한 계통도. 제7도 및 제8도는 본 발명 동조시스템이 실시부분을 도시한 논리 계통도.1, 1a, 1b and 1c are schematic diagrams illustrating one embodiment of the present invention tuning system used in a television receiver. 3 is a diagram showing the memory locations of the boundary voltage memory used in the tuning system of the present invention. 5 and 6 are schematic diagrams showing an apparatus for programming a threshold voltage memory used in the present invention. 7 and 8 are logic diagrams showing an embodiment of the present invention tuning system.

Claims (1)

여러 채널로 텔레비전 수상기를 동조시키기 위한 장치에 있어서, 상기 채널에 상기 수상기를 동조시키기 위해 동조전압의 각각의 크기에 의해 결정되는 주파수를 갖고 있는 국부발진기 신호를 발생시키기 위하여 동조전압에 응답하는 국부발진기 장치, 상기 동조전압을 발생시키기 위한 동조 전압장치, 각각의 인접 채널의 동조전압 범위들 사이의 주파수에서 동조전압의 크기와 같은 크기를 갖고 있는 경계전압을 나타내는 2진신호를 각각 축적하기 위해 각각의 어드레스를 갖고 있는 다수의 메모리 위치를 포함하는 메모리장치, 상기 메모리 위치를 어드레싱하기 위한 어드레스 장치, 상기 메모리 위치들 중의 어드레스된 하나에 축적된 경계전압과 상기 동조전압중의 선정된 하나의 크기가 다른 것의 크기보다 클때 어드레스 변화신호를 발생시키기 위한 어드레스 장치, 상기 어드레스 장치가 상기 어드레스 변화신호에 응답하여 선정된 정도로 다음 채널의 경계전압과 관련된 메모리 위치를 어드레스하게 하고 채널 수 장치가 상기 어드레스 변화신호에 응답하여 상기 동조전압에 상기 경계전압이 비교되는 정도와 같은 정도로 채널수 다음을 나타내는 2진 신호를 발생시키게 하는 제어장치, 상기 채널의 채널수를 나타내는 2진 신호를 발생시키기 위한 채널수 장치, 및 상기 채널수를 표시하기 위해 상기 채널수를 나타내는 2진 신호들에 응답하는 표시장치들을 포함하는 것을 특징으로 하는 스위프형 동조시스템내에 사용하는 채널 확인 장치.11. An apparatus for tuning a television receiver in several channels, the apparatus comprising: a local oscillator responsive to a tuning voltage for generating a local oscillator signal having a frequency determined by a magnitude of a tuning voltage for tuning the receiver to a channel; A device, a tuning voltage device for generating the tuning voltage, and a respective binary signal for accumulating a binary signal representing a boundary voltage having a magnitude equal to the magnitude of the tuning voltage at frequencies between the tuning voltage ranges of each adjacent channel. A memory device including a plurality of memory locations having an address, an address device for addressing the memory locations, a threshold voltage accumulated in an addressed one of the memory locations and a predetermined one of the tuning voltages is different; Generating address change signal when larger than the size of one An address device for causing the address device to address a memory location associated with a boundary voltage of a next channel to a predetermined extent in response to the address change signal, and the channel number device applying the threshold voltage to the tune voltage in response to the address change signal. A control unit for generating a binary signal indicating the number of channels next to the same degree as compared, a channel number device for generating a binary signal indicating the number of channels in the channel, and the number of channels for indicating the number of channels And display devices responsive to binary signals representative of the channel. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019800002124A 1979-05-30 1980-05-29 Digital tuning device KR830002299B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US4376479A 1979-05-30 1979-05-30
US43765 1979-05-30
US06/043,765 US4254506A (en) 1979-05-30 1979-05-30 Channel identification apparatus useful in a multiband sweep type tuning system
US43764 2002-01-08

Publications (2)

Publication Number Publication Date
KR830003982A true KR830003982A (en) 1983-06-30
KR830002299B1 KR830002299B1 (en) 1983-10-21

Family

ID=26720795

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019800002124A KR830002299B1 (en) 1979-05-30 1980-05-29 Digital tuning device

Country Status (11)

Country Link
KR (1) KR830002299B1 (en)
AU (1) AU532355B2 (en)
DE (1) DE3020663A1 (en)
ES (1) ES8103524A1 (en)
FI (1) FI801674A (en)
FR (1) FR2458189A1 (en)
GB (1) GB2052903B (en)
IT (1) IT1131190B (en)
NZ (1) NZ193794A (en)
PL (1) PL130381B1 (en)
SE (1) SE8003855L (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4291413A (en) * 1979-09-28 1981-09-22 Rca Corporation Search type tuning system with direct address channel selection apparatus
ES8406020A1 (en) * 1982-09-01 1984-06-16 Rca Corp Digital aft system
DE3342949A1 (en) * 1983-11-26 1985-06-05 Srg Schweizerische Radio- Und Fernsehgesellschaft, Bern Method for identifying the channel selection in a broadcast receiver

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1033478A (en) * 1974-07-18 1978-06-20 Sanyo Electric Co. Ltd. Automatic tuning apparatus
DE2556951B2 (en) * 1974-12-27 1981-07-16 Fujitsu Ten Ltd., Kobe, Hyogo Tuning device for radio receivers
US4048562A (en) * 1975-05-22 1977-09-13 A. C. Nielsen Company Monitoring system for voltage tunable receivers and converters utilizing voltage comparison techniques
JPS5267201A (en) * 1975-12-01 1977-06-03 Matsushita Electric Ind Co Ltd Station selecting unit
JPS5810015B2 (en) * 1975-12-24 1983-02-23 ソニー株式会社 Senkiyokusouchi
US4041535A (en) * 1976-07-22 1977-08-09 Matsushita Electric Corporation Of America Frequency synthesizer tuning system with signal seek control
US4093922A (en) * 1977-03-17 1978-06-06 Texas Instruments Incorporated Microcomputer processing approach for a non-volatile TV station memory tuning system
JPS6011852B2 (en) * 1977-09-28 1985-03-28 ソニー株式会社 Receiving machine
US4164711A (en) * 1977-10-31 1979-08-14 Rca Corporation Tuning system including a memory for storing tuning information with user controls arranged to facilitate its programming
DE2812113C2 (en) * 1978-03-20 1982-04-29 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt High-frequency receiver with a search device

Also Published As

Publication number Publication date
ES491963A0 (en) 1981-02-16
ES8103524A1 (en) 1981-02-16
GB2052903B (en) 1983-06-29
AU532355B2 (en) 1983-09-29
IT1131190B (en) 1986-06-18
AU5872180A (en) 1980-12-04
FI801674A (en) 1980-12-01
DE3020663A1 (en) 1980-12-11
KR830002299B1 (en) 1983-10-21
FR2458189A1 (en) 1980-12-26
GB2052903A (en) 1981-01-28
PL130381B1 (en) 1984-08-31
PL224632A1 (en) 1981-02-27
SE8003855L (en) 1980-12-01
IT8022326A0 (en) 1980-05-26
NZ193794A (en) 1984-03-30

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