JPS5542487A - Multiplex television signal generator - Google Patents

Multiplex television signal generator

Info

Publication number
JPS5542487A
JPS5542487A JP11732978A JP11732978A JPS5542487A JP S5542487 A JPS5542487 A JP S5542487A JP 11732978 A JP11732978 A JP 11732978A JP 11732978 A JP11732978 A JP 11732978A JP S5542487 A JPS5542487 A JP S5542487A
Authority
JP
Japan
Prior art keywords
signal
generates
circuit
generating circuit
basis
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
JP11732978A
Other languages
Japanese (ja)
Other versions
JPS6053957B2 (en
Inventor
Masayoshi Hirashima
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 JP11732978A priority Critical patent/JPS6053957B2/en
Publication of JPS5542487A publication Critical patent/JPS5542487A/en
Publication of JPS6053957B2 publication Critical patent/JPS6053957B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)

Abstract

PURPOSE: To make it possible to test and adjust easily a waveform compensator circuit by superposing and sending a false random signal for a receiver adjustment in nearly the entire scanning period of a TV signal.
CONSTITUTION: On the basis of a signal from synchronization board 1, clock generating circuit 2 generates a clock signal in phase at every H synchronizing with chrominance subcarrier (fsc). On the basis of a signal from synchronous board 1, line counter 3 generates a count output for false random PN signal generation. Further, a character signal generating circuit generates a character signal. On the other hand, PN signal generating circuit 5 generates a PN signal on the basis of the clock signal of circuit 2. In addition, video signal generating circuit 6 generates a composite video signal. Then, synthesizer circuit 7 superposes signal X in a vertical blanking interval and inserts the PN signal at the same position in each horizontal scanning interval at part of each initial point during a horizontal scanning interval from, e.g. 22∼262H-th horizontal scanning interval. This display test signal is supplied to RF modulation circuit 9, where a RF carrier of any channel is modulated and sent out.
COPYRIGHT: (C)1980,JPO&Japio
JP11732978A 1978-09-21 1978-09-21 Multiplexed television signal generator Expired JPS6053957B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11732978A JPS6053957B2 (en) 1978-09-21 1978-09-21 Multiplexed television signal generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11732978A JPS6053957B2 (en) 1978-09-21 1978-09-21 Multiplexed television signal generator

Publications (2)

Publication Number Publication Date
JPS5542487A true JPS5542487A (en) 1980-03-25
JPS6053957B2 JPS6053957B2 (en) 1985-11-28

Family

ID=14709035

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11732978A Expired JPS6053957B2 (en) 1978-09-21 1978-09-21 Multiplexed television signal generator

Country Status (1)

Country Link
JP (1) JPS6053957B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5913313A (en) * 1982-07-13 1984-01-24 Mitsubishi Electric Corp Correction of d.c. field distortion in transformer
JPS63156533U (en) * 1987-03-31 1988-10-13

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5913313A (en) * 1982-07-13 1984-01-24 Mitsubishi Electric Corp Correction of d.c. field distortion in transformer
JPS63156533U (en) * 1987-03-31 1988-10-13

Also Published As

Publication number Publication date
JPS6053957B2 (en) 1985-11-28

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