JPS6117374B2 - - Google Patents

Info

Publication number
JPS6117374B2
JPS6117374B2 JP6536978A JP6536978A JPS6117374B2 JP S6117374 B2 JPS6117374 B2 JP S6117374B2 JP 6536978 A JP6536978 A JP 6536978A JP 6536978 A JP6536978 A JP 6536978A JP S6117374 B2 JPS6117374 B2 JP S6117374B2
Authority
JP
Japan
Prior art keywords
channel
output
frequency
switch
pulse
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.)
Expired
Application number
JP6536978A
Other languages
English (en)
Japanese (ja)
Other versions
JPS54157014A (en
Inventor
Hisao Mogi
Yoshio Ishigaki
Koji Morita
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP6536978A priority Critical patent/JPS54157014A/ja
Publication of JPS54157014A publication Critical patent/JPS54157014A/ja
Publication of JPS6117374B2 publication Critical patent/JPS6117374B2/ja
Granted 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
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H03J7/06—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using counters or frequency dividers

Landscapes

  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Superheterodyne Receivers (AREA)
JP6536978A 1978-05-31 1978-05-31 Electronic channel selection unit Granted JPS54157014A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6536978A JPS54157014A (en) 1978-05-31 1978-05-31 Electronic channel selection unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6536978A JPS54157014A (en) 1978-05-31 1978-05-31 Electronic channel selection unit

Publications (2)

Publication Number Publication Date
JPS54157014A JPS54157014A (en) 1979-12-11
JPS6117374B2 true JPS6117374B2 (enrdf_load_stackoverflow) 1986-05-07

Family

ID=13284971

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6536978A Granted JPS54157014A (en) 1978-05-31 1978-05-31 Electronic channel selection unit

Country Status (1)

Country Link
JP (1) JPS54157014A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS54157014A (en) 1979-12-11

Similar Documents

Publication Publication Date Title
US4123724A (en) Communication equipment
US4236251A (en) Frequency synthesizer receiver having memory for storing frequency data
US4085371A (en) Automatically tuned memory television channel selecting apparatus
GB1518368A (en) Channel selecting apparatus
US4241450A (en) Automatic turn-off apparatus for a radio or television receiver
US4027251A (en) Radio receiver using frequency synthesizer
US4374437A (en) Variable ramp speed TV tuning system for rapid channel tuning
US4305157A (en) Tuning circuit using a phase-locked loop
JPS624898B2 (enrdf_load_stackoverflow)
CA1129126A (en) Tuning system including a memory for storing tuning information with user controls arranged to facilitate its programming
JPS5927124B2 (ja) ラジオ受信機
CA1072230A (en) Method of and apparatus for tuning an aft-controlled channel selecting apparatus to a desired frequency
US4267603A (en) Memory control circuit
US4207531A (en) Tuning control system of radio receiver
GB1520849A (en) Channel selecting apparatus for a television receiver
JPS58157217A (ja) 同調方式
CA1149978A (en) Search type tuning system
US4306309A (en) Memory control circuit for a television receiver
US4337486A (en) Synchronizing signal discriminator for use in channel selection apparatus of television receiver
US4262364A (en) Electronic digital channel-selecting apparatus
US4232395A (en) Multiband radio receiver with electronic preset tuning system
JPS6117374B2 (enrdf_load_stackoverflow)
JPS6015166B2 (ja) 電子式選局装置
US4249259A (en) Digital channel selection apparatus
JPS60816B2 (ja) ラジオ受信機のデジタル値設定装置