JPS57125584A - Profile emphasizing circuit - Google Patents

Profile emphasizing circuit

Info

Publication number
JPS57125584A
JPS57125584A JP56010746A JP1074681A JPS57125584A JP S57125584 A JPS57125584 A JP S57125584A JP 56010746 A JP56010746 A JP 56010746A JP 1074681 A JP1074681 A JP 1074681A JP S57125584 A JPS57125584 A JP S57125584A
Authority
JP
Japan
Prior art keywords
signal
circuit
video signal
profile
tau
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
JP56010746A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0113674B2 (enrdf_load_html_response
Inventor
Takashi Ebato
Seiki Kato
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 Home Electronics Ltd
NEC Corp
Original Assignee
NEC Home Electronics Ltd
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 Home Electronics Ltd, Nippon Electric Co Ltd filed Critical NEC Home Electronics Ltd
Priority to JP56010746A priority Critical patent/JPS57125584A/ja
Publication of JPS57125584A publication Critical patent/JPS57125584A/ja
Publication of JPH0113674B2 publication Critical patent/JPH0113674B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/20—Circuitry for controlling amplitude response
    • H04N5/205—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic
    • H04N5/208—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic for compensating for attenuation of high frequency components, e.g. crispening, aperture distortion correction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
JP56010746A 1981-01-29 1981-01-29 Profile emphasizing circuit Granted JPS57125584A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56010746A JPS57125584A (en) 1981-01-29 1981-01-29 Profile emphasizing circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56010746A JPS57125584A (en) 1981-01-29 1981-01-29 Profile emphasizing circuit

Publications (2)

Publication Number Publication Date
JPS57125584A true JPS57125584A (en) 1982-08-04
JPH0113674B2 JPH0113674B2 (enrdf_load_html_response) 1989-03-07

Family

ID=11758866

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56010746A Granted JPS57125584A (en) 1981-01-29 1981-01-29 Profile emphasizing circuit

Country Status (1)

Country Link
JP (1) JPS57125584A (enrdf_load_html_response)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5877375A (ja) * 1981-11-02 1983-05-10 Oki Electric Ind Co Ltd 輪郭補正方式
US4972262A (en) * 1988-10-27 1990-11-20 Honeywell Inc. Real time edge detection

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5877375A (ja) * 1981-11-02 1983-05-10 Oki Electric Ind Co Ltd 輪郭補正方式
US4972262A (en) * 1988-10-27 1990-11-20 Honeywell Inc. Real time edge detection

Also Published As

Publication number Publication date
JPH0113674B2 (enrdf_load_html_response) 1989-03-07

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