JPS6478590A - Information quantity measuring circuit - Google Patents

Information quantity measuring circuit

Info

Publication number
JPS6478590A
JPS6478590A JP62236710A JP23671087A JPS6478590A JP S6478590 A JPS6478590 A JP S6478590A JP 62236710 A JP62236710 A JP 62236710A JP 23671087 A JP23671087 A JP 23671087A JP S6478590 A JPS6478590 A JP S6478590A
Authority
JP
Japan
Prior art keywords
terminal
signal
control part
counter
information quantity
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
JP62236710A
Other languages
Japanese (ja)
Other versions
JPH0787581B2 (en
Inventor
Nobutaka Yoshizumi
Kiichi Matsuda
Takashi Ito
Osamu Kawai
Toshitaka Tsuda
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP62236710A priority Critical patent/JPH0787581B2/en
Publication of JPS6478590A publication Critical patent/JPS6478590A/en
Publication of JPH0787581B2 publication Critical patent/JPH0787581B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

PURPOSE:To reduce the scale of an information quantity measuring circuit by transmitting a measured value to a control part as the quantity of encoding information. CONSTITUTION:Since the encoding start signal of L level is applied to the clear CLR terminal of an RS-FF 81 and a counter 91 from a control part 2 where a vertical synchronizing signal V is inputted, the signal of H level of the Q terminal of the RS-FF 81 passes through an AND gate 93 and is applied to the EN terminal of the counter 91 to start a count. At the time of inputting an encoding completion signal from the control part 2, the signal of L level from the Q terminal of the RS-FF 81 is applied to the EN terminal of the counter 91 to stop a counting operation and transmits a counted value to the control part 2 as the encoding information quantity during this time.
JP62236710A 1987-09-21 1987-09-21 Band compression coding device Expired - Lifetime JPH0787581B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62236710A JPH0787581B2 (en) 1987-09-21 1987-09-21 Band compression coding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62236710A JPH0787581B2 (en) 1987-09-21 1987-09-21 Band compression coding device

Publications (2)

Publication Number Publication Date
JPS6478590A true JPS6478590A (en) 1989-03-24
JPH0787581B2 JPH0787581B2 (en) 1995-09-20

Family

ID=17004618

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62236710A Expired - Lifetime JPH0787581B2 (en) 1987-09-21 1987-09-21 Band compression coding device

Country Status (1)

Country Link
JP (1) JPH0787581B2 (en)

Also Published As

Publication number Publication date
JPH0787581B2 (en) 1995-09-20

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