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GB2220322B - Zone plate generator - Google Patents

Zone plate generator

Info

Publication number
GB2220322B
GB2220322B GB8913595A GB8913595A GB2220322B GB 2220322 B GB2220322 B GB 2220322B GB 8913595 A GB8913595 A GB 8913595A GB 8913595 A GB8913595 A GB 8913595A GB 2220322 B GB2220322 B GB 2220322B
Authority
GB
United Kingdom
Prior art keywords
zone plate
plate generator
generator
zone
plate
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.)
Expired - Lifetime
Application number
GB8913595A
Other versions
GB2220322A (en
GB8913595D0 (en
Inventor
Stefan Ott
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.)
Philips GmbH
Original Assignee
BTS Broadcast Television Systems GmbH
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
Priority claimed from DE19883820053 external-priority patent/DE3820053C2/en
Application filed by BTS Broadcast Television Systems GmbH filed Critical BTS Broadcast Television Systems GmbH
Publication of GB8913595D0 publication Critical patent/GB8913595D0/en
Publication of GB2220322A publication Critical patent/GB2220322A/en
Application granted granted Critical
Publication of GB2220322B publication Critical patent/GB2220322B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00—Diagnosis, testing or measuring for television systems or their details
    • H04N17/02—Diagnosis, testing or measuring for television systems or their details for colour television signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
GB8913595A 1988-06-13 1989-06-13 Zone plate generator Expired - Lifetime GB2220322B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19883820053 DE3820053C2 (en) 1987-06-11 1988-06-13 Zone plate generator

Publications (3)

Publication Number Publication Date
GB8913595D0 GB8913595D0 (en) 1989-08-02
GB2220322A GB2220322A (en) 1990-01-04
GB2220322B true GB2220322B (en) 1992-06-03

Family

ID=6356428

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8913595A Expired - Lifetime GB2220322B (en) 1988-06-13 1989-06-13 Zone plate generator

Country Status (2)

Country Link
JP (1) JPH0232697A (en)
GB (1) GB2220322B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2055004A (en) * 1979-05-22 1981-02-18 British Broadcasting Corp Signal genrator for television testing
GB2206013A (en) * 1987-06-11 1988-12-21 Broadcast Television Syst Circular zone plate signal generator

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2055004A (en) * 1979-05-22 1981-02-18 British Broadcasting Corp Signal genrator for television testing
GB2206013A (en) * 1987-06-11 1988-12-21 Broadcast Television Syst Circular zone plate signal generator

Also Published As

Publication number Publication date
GB2220322A (en) 1990-01-04
JPH0232697A (en) 1990-02-02
GB8913595D0 (en) 1989-08-02

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19970613