JPS5325721B2 - - Google Patents

Info

Publication number
JPS5325721B2
JPS5325721B2 JP12519573A JP12519573A JPS5325721B2 JP S5325721 B2 JPS5325721 B2 JP S5325721B2 JP 12519573 A JP12519573 A JP 12519573A JP 12519573 A JP12519573 A JP 12519573A JP S5325721 B2 JPS5325721 B2 JP S5325721B2
Authority
JP
Japan
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.)
Expired
Application number
JP12519573A
Other languages
Japanese (ja)
Other versions
JPS5075703A (US06252093-20010626-C00008.png
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 filed Critical
Priority to JP12519573A priority Critical patent/JPS5325721B2/ja
Priority to DE2442550A priority patent/DE2442550C2/de
Priority to US05/512,551 priority patent/US3940702A/en
Publication of JPS5075703A publication Critical patent/JPS5075703A/ja
Publication of JPS5325721B2 publication Critical patent/JPS5325721B2/ja
Expired legal-status Critical Current

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
JP12519573A 1973-11-07 1973-11-07 Expired JPS5325721B2 (US06252093-20010626-C00008.png)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP12519573A JPS5325721B2 (US06252093-20010626-C00008.png) 1973-11-07 1973-11-07
DE2442550A DE2442550C2 (de) 1973-11-07 1974-09-05 Kanalwählsystem
US05/512,551 US3940702A (en) 1973-11-07 1974-10-07 Automatically presetting channel selecting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12519573A JPS5325721B2 (US06252093-20010626-C00008.png) 1973-11-07 1973-11-07

Publications (2)

Publication Number Publication Date
JPS5075703A JPS5075703A (US06252093-20010626-C00008.png) 1975-06-21
JPS5325721B2 true JPS5325721B2 (US06252093-20010626-C00008.png) 1978-07-28

Family

ID=14904259

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12519573A Expired JPS5325721B2 (US06252093-20010626-C00008.png) 1973-11-07 1973-11-07

Country Status (3)

Country Link
US (1) US3940702A (US06252093-20010626-C00008.png)
JP (1) JPS5325721B2 (US06252093-20010626-C00008.png)
DE (1) DE2442550C2 (US06252093-20010626-C00008.png)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1061633B (it) * 1976-05-03 1983-04-30 Voxson Spa Radiori cevitore o sintonizzatore munito di mezzi di memorizzazione a stato solido per una molteplicita di frequenze di ricezione
JPS5549479B2 (US06252093-20010626-C00008.png) * 1973-06-08 1980-12-12
US4000468A (en) * 1973-09-20 1976-12-28 Teaberry Electronics Corporation Programmable signal seeking radio receiver
JPS5636611B2 (US06252093-20010626-C00008.png) * 1974-06-07 1981-08-25
JPS5346601B2 (US06252093-20010626-C00008.png) * 1974-06-08 1978-12-15
JPS5637728B2 (US06252093-20010626-C00008.png) * 1974-07-05 1981-09-02
US4031474A (en) * 1974-09-25 1977-06-21 Texas Instruments Incorporated Solid state television channel selection system
NL169008C (nl) * 1974-10-07 1982-05-17 Philips Nv Ontvanger bevattende een afstemschakeling met een zenderzoekinrichting.
JPS5513616B2 (US06252093-20010626-C00008.png) * 1975-02-06 1980-04-10
JPS5227302A (en) * 1975-08-27 1977-03-01 Sony Corp Station selecting device
GB1518712A (en) * 1975-08-28 1978-07-26 Sony Corp Channel selecting apparatus
JPS5228203A (en) * 1975-08-28 1977-03-03 Sony Corp Station selector unit
US4023107A (en) * 1975-10-14 1977-05-10 Zenith Radio Corporation Sequential channel tuning system with a memory
IT1051262B (it) * 1975-11-11 1981-04-21 Indesit Sintonizzatore a sintesi di frequenza
IT1050947B (it) * 1975-11-17 1981-03-20 Indesit Circuito di selezione di segnali
JPS5826693B2 (ja) * 1975-11-22 1983-06-04 ソニー株式会社 センキヨクソウチ
JPS5267201A (en) * 1975-12-01 1977-06-03 Matsushita Electric Ind Co Ltd Station selecting unit
US4060768A (en) * 1976-01-02 1977-11-29 Zenith Radio Corporation Memory tuning system with dual speed programming
JPS5946129B2 (ja) * 1976-04-05 1984-11-10 ソニー株式会社 選局装置
US4155043A (en) * 1976-04-28 1979-05-15 Matsushita Electric Industrial Co. Ltd. Channel selection apparatus including a scanning system
JPS5365002A (en) * 1976-11-24 1978-06-10 Toshiba Corp Channel selector
JPS5380108A (en) * 1976-12-24 1978-07-15 Fujitsu Ten Ltd Automatic channel selecting receiver
JPS5831077B2 (ja) * 1977-04-21 1983-07-04 赤井電機株式会社 白バランス調整回路
US4145655A (en) * 1977-04-27 1979-03-20 Texas Instruments Incorporated Digitally transmitting transceiver
US4236182A (en) * 1977-04-30 1980-11-25 Sharp Kabushiki Kaisha Automatic pre-programming system for TV receivers
US4152654A (en) * 1977-06-17 1979-05-01 Zenith Radio Corporation Memory-saving all channel digital tuning system
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
US4156850A (en) * 1977-08-29 1979-05-29 Rca Corporation Display system for facilitating the setup of a tuning system
US4241449A (en) * 1977-10-07 1980-12-23 Zenith Radio Corporation Memory saving all-channel digital television receiver
US4173167A (en) * 1978-02-23 1979-11-06 Cbs, Inc. Organ stop switching system
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
US4371978A (en) * 1979-12-14 1983-02-01 Jet Electronics And Technology Incorporated Automatic tuning system
US4392246A (en) * 1980-09-01 1983-07-05 Tokyo Shibaura Denki Kabushiki Kaisha Broadcast wave receiving system
JPS5866412A (ja) * 1981-10-16 1983-04-20 Fujitsu Ten Ltd 電子同調方式採用ラジオ受信機
US4398303A (en) * 1981-11-30 1983-08-09 Rca Corporation Signal-seeking tuning system with automatic bandswitching for a television receiver
GB2155263A (en) * 1984-03-02 1985-09-18 Philips Electronic Associated Frequency synthesised multichannel radio apparatus
US4912527A (en) * 1987-07-24 1990-03-27 Nec Corporation Optical apparatus for pulling an intermediate frequency in a predetermined frequency range
JPS6451709A (en) * 1987-07-31 1989-02-28 Rca Licensing Corp Automatic programming tuner
US4860380A (en) * 1987-07-31 1989-08-22 General Electric Company Autoprogramming tuner apparatus
JP2611623B2 (ja) * 1993-06-08 1997-05-21 日本電気株式会社 自動周波数制御装置
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
DE10133481A1 (de) * 2001-07-10 2003-01-30 Harman Becker Automotive Sys Funksignalempfänger

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4973003A (US06252093-20010626-C00008.png) * 1972-11-14 1974-07-15

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL152415B (nl) * 1969-04-14 1977-02-15 Matsushita Electric Ind Co Ltd Inrichting voor het kiezen van kanalen.
US3651411A (en) * 1970-08-31 1972-03-21 Zenith Radio Corp Automatic-recycling signal-seeking voltage-controlled tuner
JPS555729B2 (US06252093-20010626-C00008.png) * 1971-11-29 1980-02-08
US3821651A (en) * 1972-11-02 1974-06-28 Masco Corp Scanning control circuit for use in signal seeking radio receiver

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4973003A (US06252093-20010626-C00008.png) * 1972-11-14 1974-07-15

Also Published As

Publication number Publication date
JPS5075703A (US06252093-20010626-C00008.png) 1975-06-21
DE2442550C2 (de) 1982-01-21
DE2442550A1 (de) 1975-05-15
US3940702A (en) 1976-02-24

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