MX4873E - Mejoras en sistema de sintonizacion con una memoria para receptores de radiofrecuencia - Google Patents

Mejoras en sistema de sintonizacion con una memoria para receptores de radiofrecuencia

Info

Publication number
MX4873E
MX4873E MX78100619U MX10061978U MX4873E MX 4873 E MX4873 E MX 4873E MX 78100619 U MX78100619 U MX 78100619U MX 10061978 U MX10061978 U MX 10061978U MX 4873 E MX4873 E MX 4873E
Authority
MX
Mexico
Prior art keywords
memory
radio frequency
tuning system
frequency receivers
receivers
Prior art date
Application number
MX78100619U
Other languages
English (en)
Inventor
Steven Alan Steckler
Alvin Reuben Balaban
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
Application filed by Rca Corp filed Critical Rca Corp
Publication of MX4873E publication Critical patent/MX4873E/es

Links

Classifications

    • 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
    • H03J1/02—Indicating arrangements
    • H03J1/04—Indicating arrangements with optical indicating means
    • H03J1/045—Indication of the tuning band, the bandwidth, tone control, the channel number, the frequency, or the like
    • H03J1/047—Indication of the tuning band, the bandwidth, tone control, the channel number, the frequency, or the like using electronic means, e.g. LED's
    • H03J1/048—Indication of the tuning band, the bandwidth, tone control, the channel number, the frequency, or the like using electronic means, e.g. LED's with digital indication
    • 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
    • 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
    • H03J5/029—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 with channel skipping capability

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Circuits Of Receivers In General (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
MX78100619U 1977-10-31 1978-10-27 Mejoras en sistema de sintonizacion con una memoria para receptores de radiofrecuencia MX4873E (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/847,412 US4164711A (en) 1977-10-31 1977-10-31 Tuning system including a memory for storing tuning information with user controls arranged to facilitate its programming

Publications (1)

Publication Number Publication Date
MX4873E true MX4873E (es) 1982-11-18

Family

ID=25300565

Family Applications (1)

Application Number Title Priority Date Filing Date
MX78100619U MX4873E (es) 1977-10-31 1978-10-27 Mejoras en sistema de sintonizacion con una memoria para receptores de radiofrecuencia

Country Status (12)

Country Link
US (1) US4164711A (es)
JP (1) JPS5472601A (es)
AU (1) AU524442B2 (es)
BE (1) BE871716A (es)
CA (1) CA1129126A (es)
DE (1) DE2847349A1 (es)
FR (1) FR2407629A1 (es)
GB (1) GB2007447B (es)
IT (1) IT7828983A0 (es)
MX (1) MX4873E (es)
NL (1) NL7810803A (es)
SE (1) SE7811062L (es)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4317225A (en) * 1979-05-30 1982-02-23 Rca Corporation Channel identification apparatus useful in a sweep type tuning system
US4254506A (en) * 1979-05-30 1981-03-03 Rca Corporation Channel identification apparatus useful in a multiband sweep type tuning system
NZ193794A (en) * 1979-05-30 1984-03-30 Rca Corp Channel identification in multiband sweep tuning system
US4355415A (en) * 1980-04-29 1982-10-19 Rca Corporation Tuning mode arrangement useful for restricting channel selection to certain channels
US4361907A (en) * 1980-08-14 1982-11-30 Rca Corporation Direct access channel selection apparatus for a digital tuning system
US4402089A (en) * 1981-09-16 1983-08-30 Rca Corporation Television tuning system with electronic frequency adjustment apparatus
US4603438A (en) * 1984-09-28 1986-07-29 Rca Corporation Tuning system with provisions for skipping nonpreferred tuning positions
JPH01151838A (ja) * 1987-12-09 1989-06-14 Matsushita Electric Ind Co Ltd チャンネル選局方法
JP2522104B2 (ja) * 1990-09-27 1996-08-07 三菱電機株式会社 Ｒｄｓ受信機
US5574494A (en) * 1994-05-31 1996-11-12 U.S. West Technologies, Inc. Method for automatically navigating a complex struture at an interactive user station
US6118498A (en) * 1997-09-26 2000-09-12 Sarnoff Corporation Channel scanning and channel change latency reduction in an ATSC television receiver
JPWO2005096514A1 (ja) * 2004-03-31 2008-02-21 パイオニア株式会社 デジタル無線通信装置
US10383631B2 (en) 2016-08-04 2019-08-20 Covidien Lp Variable speed control of powered surgical device

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3893049A (en) * 1974-03-25 1975-07-01 Motorola Inc Electronic tuning system for television receivers
SE7406277L (sv) * 1974-05-10 1975-11-11 Luxor Industri Ab Programmerbar spenningskella.
JPS5637728B2 (es) * 1974-07-05 1981-09-02
US3968440A (en) * 1974-09-25 1976-07-06 Texas Instruments Incorporated Solid state television channel selection system
GB1521899A (en) * 1974-09-25 1978-08-16 Texas Instruments Inc Television channel number display circuit
JPS5513616B2 (es) * 1975-02-06 1980-04-10
JPS5826693B2 (ja) * 1975-11-22 1983-06-04 ソニー株式会社 センキヨクソウチ
US4005368A (en) * 1976-01-05 1977-01-25 Zenith Radio Corporation Memory tuning system with automatic two speed display
US4114104A (en) * 1976-11-15 1978-09-12 E. F. Johnson Company Channel skip memory system for radio receiver
US4114102A (en) * 1976-12-23 1978-09-12 E. F. Johnson Company Radio channel skip system

Also Published As

Publication number Publication date
AU524442B2 (en) 1982-09-16
GB2007447B (en) 1982-02-17
CA1129126A (en) 1982-08-03
FR2407629A1 (fr) 1979-05-25
DE2847349A1 (de) 1979-05-03
AU4104478A (en) 1980-05-01
IT7828983A0 (it) 1978-10-20
JPS5472601A (en) 1979-06-11
US4164711A (en) 1979-08-14
GB2007447A (en) 1979-05-16
NL7810803A (nl) 1979-05-02
BE871716A (fr) 1979-02-15
SE7811062L (sv) 1979-05-01

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