JPS5349914A - Shadow key signal generator circuit - Google Patents

Shadow key signal generator circuit

Info

Publication number
JPS5349914A
JPS5349914A JP12517076A JP12517076A JPS5349914A JP S5349914 A JPS5349914 A JP S5349914A JP 12517076 A JP12517076 A JP 12517076A JP 12517076 A JP12517076 A JP 12517076A JP S5349914 A JPS5349914 A JP S5349914A
Authority
JP
Japan
Prior art keywords
generator circuit
signal generator
key signal
shadow key
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
JP12517076A
Other languages
Japanese (ja)
Other versions
JPS6016789B2 (en
Inventor
Takashi Mizuguchi
Tsuneo Yokota
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 JP12517076A priority Critical patent/JPS6016789B2/en
Publication of JPS5349914A publication Critical patent/JPS5349914A/en
Publication of JPS6016789B2 publication Critical patent/JPS6016789B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Studio Circuits (AREA)

Abstract

PURPOSE: To obtain a shadow key signal generator circuit with a simple constitution, with which the super signal inserted later receives no effect of the chroma signal element contained in a base signal and no black part is produced at the side of the super signal.
COPYRIGHT: (C)1978,JPO&Japio
JP12517076A 1976-10-18 1976-10-18 Shadow key signal generation circuit Expired JPS6016789B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12517076A JPS6016789B2 (en) 1976-10-18 1976-10-18 Shadow key signal generation circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12517076A JPS6016789B2 (en) 1976-10-18 1976-10-18 Shadow key signal generation circuit

Publications (2)

Publication Number Publication Date
JPS5349914A true JPS5349914A (en) 1978-05-06
JPS6016789B2 JPS6016789B2 (en) 1985-04-27

Family

ID=14903608

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12517076A Expired JPS6016789B2 (en) 1976-10-18 1976-10-18 Shadow key signal generation circuit

Country Status (1)

Country Link
JP (1) JPS6016789B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02301269A (en) * 1989-03-27 1990-12-13 Grass Valley Group Inc:The Key signal delay equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02301269A (en) * 1989-03-27 1990-12-13 Grass Valley Group Inc:The Key signal delay equipment

Also Published As

Publication number Publication date
JPS6016789B2 (en) 1985-04-27

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