JPS5391620A - Signal recognizing system - Google Patents

Signal recognizing system

Info

Publication number
JPS5391620A
JPS5391620A JP654777A JP654777A JPS5391620A JP S5391620 A JPS5391620 A JP S5391620A JP 654777 A JP654777 A JP 654777A JP 654777 A JP654777 A JP 654777A JP S5391620 A JPS5391620 A JP S5391620A
Authority
JP
Japan
Prior art keywords
recognizing system
signal recognizing
bpf
signal
simplify
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
JP654777A
Other languages
Japanese (ja)
Other versions
JPS584860B2 (en
Inventor
Isamu Ueki
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP52006547A priority Critical patent/JPS584860B2/en
Publication of JPS5391620A publication Critical patent/JPS5391620A/en
Publication of JPS584860B2 publication Critical patent/JPS584860B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To reduce the attenuating quantity of blocking of BPF and to simplify the circuit constitution and adjustment, by controlling the signal passing through the band filter with the signal comparing the input level and the output level of BPF.
COPYRIGHT: (C)1978,JPO&Japio
JP52006547A 1977-01-24 1977-01-24 Signal identification method Expired JPS584860B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52006547A JPS584860B2 (en) 1977-01-24 1977-01-24 Signal identification method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52006547A JPS584860B2 (en) 1977-01-24 1977-01-24 Signal identification method

Publications (2)

Publication Number Publication Date
JPS5391620A true JPS5391620A (en) 1978-08-11
JPS584860B2 JPS584860B2 (en) 1983-01-28

Family

ID=11641348

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52006547A Expired JPS584860B2 (en) 1977-01-24 1977-01-24 Signal identification method

Country Status (1)

Country Link
JP (1) JPS584860B2 (en)

Also Published As

Publication number Publication date
JPS584860B2 (en) 1983-01-28

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