JPS5573908A - Level display unit - Google Patents

Level display unit

Info

Publication number
JPS5573908A
JPS5573908A JP14693278A JP14693278A JPS5573908A JP S5573908 A JPS5573908 A JP S5573908A JP 14693278 A JP14693278 A JP 14693278A JP 14693278 A JP14693278 A JP 14693278A JP S5573908 A JPS5573908 A JP S5573908A
Authority
JP
Japan
Prior art keywords
level
value
mean
crest
voltage
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
JP14693278A
Other languages
Japanese (ja)
Inventor
Akira Takayoshi
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP14693278A priority Critical patent/JPS5573908A/en
Publication of JPS5573908A publication Critical patent/JPS5573908A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To display accurately a mean level and crest level by changing over indication response characteristics of a unit for the level indication of an acoustic equipment, etc.
CONSTITUTION: The absolute value of an input alternating-current signal is detected 1 and supplied to charge-discharge circuit 2 to obtain a mean value voltage. At this time, charge-discharge circuit 3 obtains and outputs a crest-value voltage before circuit 2 obtains the mean-value voltage. Circuits 2 and 3 are put into operation by turning switches S1 and S2 ON. With S3 ON, a voltage is supplied to meter driver circuit 5 being attenuated 4 by a difference in potential between circuits 2 and 3, and meter 6 indicates the level by its output. Therefore, S1WS3 are adequately turned ON to indicate the mean value or crest value with accuracy.
COPYRIGHT: (C)1980,JPO&Japio
JP14693278A 1978-11-27 1978-11-27 Level display unit Pending JPS5573908A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14693278A JPS5573908A (en) 1978-11-27 1978-11-27 Level display unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14693278A JPS5573908A (en) 1978-11-27 1978-11-27 Level display unit

Publications (1)

Publication Number Publication Date
JPS5573908A true JPS5573908A (en) 1980-06-04

Family

ID=15418824

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14693278A Pending JPS5573908A (en) 1978-11-27 1978-11-27 Level display unit

Country Status (1)

Country Link
JP (1) JPS5573908A (en)

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