JPS5248419A - Sweep starting circuit of automatic tuning receiver - Google Patents

Sweep starting circuit of automatic tuning receiver

Info

Publication number
JPS5248419A
JPS5248419A JP12551975A JP12551975A JPS5248419A JP S5248419 A JPS5248419 A JP S5248419A JP 12551975 A JP12551975 A JP 12551975A JP 12551975 A JP12551975 A JP 12551975A JP S5248419 A JPS5248419 A JP S5248419A
Authority
JP
Japan
Prior art keywords
starting circuit
automatic tuning
sweep starting
tuning receiver
receiver
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
JP12551975A
Other languages
Japanese (ja)
Inventor
Yasuhiro Yamada
Kazuyoshi Tsukamoto
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co 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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP12551975A priority Critical patent/JPS5248419A/en
Publication of JPS5248419A publication Critical patent/JPS5248419A/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
    • 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
    • H03J7/24—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using varactors, i.e. voltage variable reactive diodes

Abstract

PURPOSE:A fixed trigger level is output after a fixed time elapses after trigger pulse generation in order to control the sweep period. In this way, mulfunction is prevented when selecting the approaching receiver station.
JP12551975A 1975-10-15 1975-10-15 Sweep starting circuit of automatic tuning receiver Pending JPS5248419A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12551975A JPS5248419A (en) 1975-10-15 1975-10-15 Sweep starting circuit of automatic tuning receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12551975A JPS5248419A (en) 1975-10-15 1975-10-15 Sweep starting circuit of automatic tuning receiver

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP12420077A Division JPS5366313A (en) 1977-10-14 1977-10-14 Switch circuit

Publications (1)

Publication Number Publication Date
JPS5248419A true JPS5248419A (en) 1977-04-18

Family

ID=14912148

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12551975A Pending JPS5248419A (en) 1975-10-15 1975-10-15 Sweep starting circuit of automatic tuning receiver

Country Status (1)

Country Link
JP (1) JPS5248419A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58180927U (en) * 1982-05-27 1983-12-02 日立造船株式会社 Underwater observation equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58180927U (en) * 1982-05-27 1983-12-02 日立造船株式会社 Underwater observation equipment

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