DE3020663A1 - Anordnung zum abstimmen eines empfaengers mit identifizierung der empfangskanaele - Google Patents

Anordnung zum abstimmen eines empfaengers mit identifizierung der empfangskanaele

Info

Publication number
DE3020663A1
DE3020663A1 DE19803020663 DE3020663A DE3020663A1 DE 3020663 A1 DE3020663 A1 DE 3020663A1 DE 19803020663 DE19803020663 DE 19803020663 DE 3020663 A DE3020663 A DE 3020663A DE 3020663 A1 DE3020663 A1 DE 3020663A1
Authority
DE
Germany
Prior art keywords
tuning voltage
voltage
tuning
amount
channel
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.)
Ceased
Application number
DE19803020663
Other languages
German (de)
English (en)
Inventor
John Goodchilde Nori Henderson
Robert Joseph Maturo
Charles Martin Wine
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.)
RCA Corp
Original Assignee
RCA 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 US06/043,765 external-priority patent/US4254506A/en
Application filed by RCA Corp filed Critical RCA Corp
Publication of DE3020663A1 publication Critical patent/DE3020663A1/de
Ceased 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
    • 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)
DE19803020663 1979-05-30 1980-05-30 Anordnung zum abstimmen eines empfaengers mit identifizierung der empfangskanaele Ceased DE3020663A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US4376479A 1979-05-30 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

Publications (1)

Publication Number Publication Date
DE3020663A1 true DE3020663A1 (de) 1980-12-11

Family

ID=26720795

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19803020663 Ceased DE3020663A1 (de) 1979-05-30 1980-05-30 Anordnung zum abstimmen eines empfaengers mit identifizierung der empfangskanaele

Country Status (11)

Country Link
KR (1) KR830002299B1 (ko)
AU (1) AU532355B2 (ko)
DE (1) DE3020663A1 (ko)
ES (1) ES491963A0 (ko)
FI (1) FI801674A (ko)
FR (1) FR2458189A1 (ko)
GB (1) GB2052903B (ko)
IT (1) IT1131190B (ko)
NZ (1) NZ193794A (ko)
PL (1) PL130381B1 (ko)
SE (1) SE8003855L (ko)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3036351A1 (de) * 1979-09-28 1981-04-16 RCA Corp., 10020 New York, N.Y. Suchabstimmsystem mit direkt adressierender kanalwahl
DE3342949A1 (de) * 1983-11-26 1985-06-05 Srg Schweizerische Radio- Und Fernsehgesellschaft, Bern Verfahren zum erfassen der kanalwahl bei einem rundfunkempfaenger

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES525161A0 (es) * 1982-09-01 1984-06-16 Rca Corp "perfeccionamientos introducidos en un aparato de control de sintonizacion para un sistema de television"

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3986154A (en) * 1974-07-18 1976-10-12 Sanyo Electric Co., Ltd. Automatic tuning apparatus
DE2654081A1 (de) * 1975-12-01 1977-06-08 Matsushita Electric Ind Co Ltd Vorrichtung zur kanalwahl
US4048562A (en) * 1975-05-22 1977-09-13 A. C. Nielsen Company Monitoring system for voltage tunable receivers and converters utilizing voltage comparison techniques
US4093922A (en) * 1977-03-17 1978-06-06 Texas Instruments Incorporated Microcomputer processing approach for a non-volatile TV station memory tuning system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2556951B2 (de) * 1974-12-27 1981-07-16 Fujitsu Ten Ltd., Kobe, Hyogo Abstimmeinrichtung für Funkempfänger
JPS5810015B2 (ja) * 1975-12-24 1983-02-23 ソニー株式会社 センキヨクソウチ
US4041535A (en) * 1976-07-22 1977-08-09 Matsushita Electric Corporation Of America Frequency synthesizer tuning system with signal seek control
JPS6011852B2 (ja) * 1977-09-28 1985-03-28 ソニー株式会社 受信機
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 (de) * 1978-03-20 1982-04-29 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Hochfrequenzempfänger mit einer Suchlaufeinrichtung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3986154A (en) * 1974-07-18 1976-10-12 Sanyo Electric Co., Ltd. Automatic tuning apparatus
US4048562A (en) * 1975-05-22 1977-09-13 A. C. Nielsen Company Monitoring system for voltage tunable receivers and converters utilizing voltage comparison techniques
DE2654081A1 (de) * 1975-12-01 1977-06-08 Matsushita Electric Ind Co Ltd Vorrichtung zur kanalwahl
US4093922A (en) * 1977-03-17 1978-06-06 Texas Instruments Incorporated Microcomputer processing approach for a non-volatile TV station memory tuning system

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
DE-Z.: "Funkschau" 1977, H.17, S.67-69 *
DE-Z.: "Funkschau" 1978, H.1, S.5-9 *
US-Z.: "Electronics", 1976, 1. Spril, S.86-90 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3036351A1 (de) * 1979-09-28 1981-04-16 RCA Corp., 10020 New York, N.Y. Suchabstimmsystem mit direkt adressierender kanalwahl
DE3342949A1 (de) * 1983-11-26 1985-06-05 Srg Schweizerische Radio- Und Fernsehgesellschaft, Bern Verfahren zum erfassen der kanalwahl bei einem rundfunkempfaenger

Also Published As

Publication number Publication date
KR830003982A (ko) 1983-06-30
PL224632A1 (ko) 1981-02-27
FR2458189A1 (fr) 1980-12-26
GB2052903A (en) 1981-01-28
ES8103524A1 (es) 1981-02-16
FI801674A (fi) 1980-12-01
IT8022326A0 (it) 1980-05-26
PL130381B1 (en) 1984-08-31
KR830002299B1 (ko) 1983-10-21
NZ193794A (en) 1984-03-30
AU5872180A (en) 1980-12-04
IT1131190B (it) 1986-06-18
GB2052903B (en) 1983-06-29
AU532355B2 (en) 1983-09-29
ES491963A0 (es) 1981-02-16
SE8003855L (sv) 1980-12-01

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8131 Rejection