[go: up one dir, main page]

FI801674A7 - Kanavantunnistuslaite, jota voidaan käyttää pyyhkäisytyyppisessä viritysjärjestelmässä. - Google Patents

Kanavantunnistuslaite, jota voidaan käyttää pyyhkäisytyyppisessä viritysjärjestelmässä. Download PDF

Info

Publication number
FI801674A7
FI801674A7 FI801674A FI801674A FI801674A7 FI 801674 A7 FI801674 A7 FI 801674A7 FI 801674 A FI801674 A FI 801674A FI 801674 A FI801674 A FI 801674A FI 801674 A7 FI801674 A7 FI 801674A7
Authority
FI
Finland
Prior art keywords
sweep
detection device
channel detection
tuning system
type tuning
Prior art date
Application number
FI801674A
Other languages
English (en)
Swedish (sv)
Inventor
John Goodchilde Norie Hendersen
Robert Joseph Maturo
Charles Martin Wine
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 FI801674A7 publication Critical patent/FI801674A7/fi

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
    • 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
    • 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
    • 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)
FI801674A 1979-05-30 1980-05-23 Kanavantunnistuslaite, jota voidaan käyttää pyyhkäisytyyppisessä viritysjärjestelmässä. FI801674A7 (fi)

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
FI801674A7 true FI801674A7 (fi) 1981-01-01

Family

ID=26720795

Family Applications (1)

Application Number Title Priority Date Filing Date
FI801674A FI801674A7 (fi) 1979-05-30 1980-05-23 Kanavantunnistuslaite, jota voidaan käyttää pyyhkäisytyyppisessä viritysjärjestelmässä.

Country Status (11)

Country Link
KR (1) KR830002299B1 (fi)
AU (1) AU532355B2 (fi)
DE (1) DE3020663A1 (fi)
ES (1) ES8103524A1 (fi)
FI (1) FI801674A7 (fi)
FR (1) FR2458189A1 (fi)
GB (1) GB2052903B (fi)
IT (1) IT1131190B (fi)
NZ (1) NZ193794A (fi)
PL (1) PL130381B1 (fi)
SE (1) SE8003855L (fi)

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
ES525161A0 (es) * 1982-09-01 1984-06-16 Rca Corp "perfeccionamientos introducidos en un aparato de control de sintonizacion para un sistema de television"
DE3342949A1 (de) * 1983-11-26 1985-06-05 Srg Schweizerische Radio- Und Fernsehgesellschaft, Bern Verfahren zum erfassen der kanalwahl bei einem rundfunkempfaenger

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 (de) * 1974-12-27 1981-07-16 Fujitsu Ten Ltd., Kobe, Hyogo Abstimmeinrichtung für Funkempfänger
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 (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
US4093922A (en) * 1977-03-17 1978-06-06 Texas Instruments Incorporated Microcomputer processing approach for a non-volatile TV station memory tuning system
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

Also Published As

Publication number Publication date
AU5872180A (en) 1980-12-04
AU532355B2 (en) 1983-09-29
GB2052903A (en) 1981-01-28
KR830003982A (ko) 1983-06-30
KR830002299B1 (ko) 1983-10-21
NZ193794A (en) 1984-03-30
IT1131190B (it) 1986-06-18
ES491963A0 (es) 1981-02-16
PL224632A1 (fi) 1981-02-27
SE8003855L (sv) 1980-12-01
DE3020663A1 (de) 1980-12-11
GB2052903B (en) 1983-06-29
PL130381B1 (en) 1984-08-31
FR2458189A1 (fr) 1980-12-26
ES8103524A1 (es) 1981-02-16
IT8022326A0 (it) 1980-05-26

Similar Documents

Publication Publication Date Title
NL7607250A (nl) Documentenverwerkingsinrichting.
NL7708027A (nl) Informatieverwerkend stelsel en eindstation daarvoor.
NL181648C (nl) Sorteerinrichting.
NL7710366A (nl) Beveiligingsinrichting.
NL7705918A (nl) Tekstverwerkingsinrichting.
NL173047C (nl) Transportinrichting.
NL7712773A (nl) Tekstverwerkingsinrichting.
NL7700885A (nl) Grindafvoerinrichting.
NL7708796A (nl) Klem.
NL7701161A (nl) Verzamelverbindingsklem.
NL7713485A (nl) Karakterkenmerk-detectiestelsel.
NO772681L (no) Spenneanordning.
NL7611762A (nl) Transportinrichting.
NL7705550A (nl) Transportinrichting.
NL7707946A (nl) Sorteerinrichting.
BR7708275A (pt) Aperfeicoamento em dispositivo de identificacao
ES227161Y (es) Un dispositivo inviolable de obturacion.
NL7601348A (nl) Sorteerinrichting.
NL7702373A (nl) Informatieverwerkingsinrichting.
NL7702243A (nl) Bankbiljettenverwerkende inrichting.
FI801674A7 (fi) Kanavantunnistuslaite, jota voidaan käyttää pyyhkäisytyyppisessä viritysjärjestelmässä.
FI802541A7 (fi) Kuljetuslaite.
NL7709648A (nl) Transportinrichting.
NL7702374A (nl) Informatieverwerkingsinrichting.
NO147290C (no) Flerapparatsystem.

Legal Events

Date Code Title Description
FD Application lapsed

Owner name: RCA CORPORATION