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JPS5287917A - Noise delection circuit - Google Patents

Noise delection circuit

Info

Publication number
JPS5287917A
JPS5287917A JP522876A JP522876A JPS5287917A JP S5287917 A JPS5287917 A JP S5287917A JP 522876 A JP522876 A JP 522876A JP 522876 A JP522876 A JP 522876A JP S5287917 A JPS5287917 A JP S5287917A
Authority
JP
Japan
Prior art keywords
circuit
delection
noise
gate
signal
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.)
Granted
Application number
JP522876A
Other languages
Japanese (ja)
Other versions
JPS5617858B2 (en
Inventor
Hiroyasu Kishi
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.)
Tokyo Sanyo Electric Co Ltd
Sanyo Electric Co Ltd
Original Assignee
Tokyo Sanyo Electric Co Ltd
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 Tokyo Sanyo Electric Co Ltd, Sanyo Electric Co Ltd filed Critical Tokyo Sanyo Electric Co Ltd
Priority to JP522876A priority Critical patent/JPS5287917A/en
Publication of JPS5287917A publication Critical patent/JPS5287917A/en
Publication of JPS5617858B2 publication Critical patent/JPS5617858B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
    • H03G3/345—Muting during a short period of time when noise pulses are detected, i.e. blanking

Landscapes

  • Noise Elimination (AREA)

Abstract

PURPOSE:To delete pulse noise effectively by having charged with differential signal of input signal of gate circuit and by correcting the blank state of the signal during breaking period of gate with both-end voltage of electric charge storage medium.
JP522876A 1976-01-17 1976-01-17 Noise delection circuit Granted JPS5287917A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP522876A JPS5287917A (en) 1976-01-17 1976-01-17 Noise delection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP522876A JPS5287917A (en) 1976-01-17 1976-01-17 Noise delection circuit

Publications (2)

Publication Number Publication Date
JPS5287917A true JPS5287917A (en) 1977-07-22
JPS5617858B2 JPS5617858B2 (en) 1981-04-24

Family

ID=11605318

Family Applications (1)

Application Number Title Priority Date Filing Date
JP522876A Granted JPS5287917A (en) 1976-01-17 1976-01-17 Noise delection circuit

Country Status (1)

Country Link
JP (1) JPS5287917A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0159042A2 (en) * 1984-04-20 1985-10-23 Matsushita Electric Industrial Co., Ltd. An apparatus for reducing noise in audio signals
JP2009005049A (en) * 2007-06-21 2009-01-08 Sanyo Electric Co Ltd AM receiver

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4942403A (en) * 1972-08-29 1974-04-22

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4942403A (en) * 1972-08-29 1974-04-22

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0159042A2 (en) * 1984-04-20 1985-10-23 Matsushita Electric Industrial Co., Ltd. An apparatus for reducing noise in audio signals
JP2009005049A (en) * 2007-06-21 2009-01-08 Sanyo Electric Co Ltd AM receiver

Also Published As

Publication number Publication date
JPS5617858B2 (en) 1981-04-24

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