JPS56123189A - Separating circuit for interpolated multiple signal - Google Patents

Separating circuit for interpolated multiple signal

Info

Publication number
JPS56123189A
JPS56123189A JP2713180A JP2713180A JPS56123189A JP S56123189 A JPS56123189 A JP S56123189A JP 2713180 A JP2713180 A JP 2713180A JP 2713180 A JP2713180 A JP 2713180A JP S56123189 A JPS56123189 A JP S56123189A
Authority
JP
Japan
Prior art keywords
coil
output
coupled
delay line
adjusting circuit
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
JP2713180A
Other languages
Japanese (ja)
Other versions
JPH0255996B2 (en
Inventor
Takeo Yokoyama
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.)
SWCC Corp
Original Assignee
Showa Electric Wire and Cable Co
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 Showa Electric Wire and Cable Co filed Critical Showa Electric Wire and Cable Co
Priority to JP2713180A priority Critical patent/JPS56123189A/en
Publication of JPS56123189A publication Critical patent/JPS56123189A/en
Publication of JPH0255996B2 publication Critical patent/JPH0255996B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
    • H04N9/78—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase for separating the brightness signal or the chrominance signal from the colour television signal, e.g. using comb filter

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)

Abstract

PURPOSE:To eliminate cross color by applying a signal across a voltage-dividing load to the intermediate load point of the anti-resonate coil of an output transducer when separating a luminance signal and color signal by using an ultrasonic solid delay line. CONSTITUTION:The output of voltage-dividing load 4 connected to antiresonate coil 5 coupled with input transducer 3 of ultrasonic solid delay line 2 is supplied to level adjusting circuit 8. On the other hand, antiresonate coil 9 is coupled with output transducer 3' and loads 10 and 10' are connected to both the terminals of this coil 9. Then the output of level adjusting circuit 8 is coupled with the middle point between loads 10 and 10'. Thus, the variation in bias current of the emitter follower is prevented owing to the variation in the volume value of level adjusting circuit 8 due to a loss of delay line 2, so that the generation of cross color can be eliminated.
JP2713180A 1980-03-04 1980-03-04 Separating circuit for interpolated multiple signal Granted JPS56123189A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2713180A JPS56123189A (en) 1980-03-04 1980-03-04 Separating circuit for interpolated multiple signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2713180A JPS56123189A (en) 1980-03-04 1980-03-04 Separating circuit for interpolated multiple signal

Publications (2)

Publication Number Publication Date
JPS56123189A true JPS56123189A (en) 1981-09-28
JPH0255996B2 JPH0255996B2 (en) 1990-11-28

Family

ID=12212494

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2713180A Granted JPS56123189A (en) 1980-03-04 1980-03-04 Separating circuit for interpolated multiple signal

Country Status (1)

Country Link
JP (1) JPS56123189A (en)

Also Published As

Publication number Publication date
JPH0255996B2 (en) 1990-11-28

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