JPS57203316A - Channel selecting device of television receiver - Google Patents

Channel selecting device of television receiver

Info

Publication number
JPS57203316A
JPS57203316A JP8812881A JP8812881A JPS57203316A JP S57203316 A JPS57203316 A JP S57203316A JP 8812881 A JP8812881 A JP 8812881A JP 8812881 A JP8812881 A JP 8812881A JP S57203316 A JPS57203316 A JP S57203316A
Authority
JP
Japan
Prior art keywords
channel
initial
selection
setting
selecting device
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.)
Pending
Application number
JP8812881A
Other languages
Japanese (ja)
Inventor
Nobuhiro Saruwatari
Ikuo Yoshiki
Shigeo Matsuura
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP8812881A priority Critical patent/JPS57203316A/en
Publication of JPS57203316A publication Critical patent/JPS57203316A/en
Pending 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

Landscapes

  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)

Abstract

PURPOSE:To allow the selection of a corresponding channel for a TV receiver incorporating a channel selecting device that sets an initial channel, by releasing the initial channel setting by the operation of a channel selection button. CONSTITUTION:A stopping circuit 28 completes the initial channel setting action with the operation of either one of the channel selection buttons 12-13 and during the setting mode of the initial channel. The blanking signal is supplied to a terminal 22 when either one of the buttons 12-13 is operated during the initial setting mode. As a result, a synchronizing signal is detected. Thus the presence of the broadcast signal is decided, and a channel selecting IC16 stops and completes the initial channel setting action. In such way, the initial channel setting action is released by the operation of a channel selection button to allow the selection of a corresponding channel.
JP8812881A 1981-06-10 1981-06-10 Channel selecting device of television receiver Pending JPS57203316A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8812881A JPS57203316A (en) 1981-06-10 1981-06-10 Channel selecting device of television receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8812881A JPS57203316A (en) 1981-06-10 1981-06-10 Channel selecting device of television receiver

Publications (1)

Publication Number Publication Date
JPS57203316A true JPS57203316A (en) 1982-12-13

Family

ID=13934273

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8812881A Pending JPS57203316A (en) 1981-06-10 1981-06-10 Channel selecting device of television receiver

Country Status (1)

Country Link
JP (1) JPS57203316A (en)

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