ATE27861T1 - Streuschirm mit beugender optik. - Google Patents

Streuschirm mit beugender optik.

Info

Publication number: ATE27861T1
Authority: AT; Austria
Prior art keywords: diffracing; diffuser; optics; diffracing optics
Prior art date: 1982-07-30

Application number

AT83902563T

Other languages

English (en)

Inventor

John E Gunther

Ronald T Smith

Original Assignee

Hughes Aircraft 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.)

1982-07-30

Filing date

1983-07-22

Publication date

1987-07-15

1982-07-30 Priority claimed from US06/403,945 external-priority patent/US4586781A/en

1983-07-22 Application filed by Hughes Aircraft Co filed Critical Hughes Aircraft Co

1987-07-15 Application granted granted Critical

1987-07-15 Publication of ATE27861T1 publication Critical patent/ATE27861T1/de

Links

AT83902563T 1982-07-30 1983-07-22 Streuschirm mit beugender optik. ATE27861T1 (de)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US06/403,945 US4586781A (en)	1982-07-30	1982-07-30	Diffraction optics diffusing screen
PCT/US1983/001140 WO1984000616A1 (en)	1982-07-30	1983-07-22	Diffraction optics diffusing screen
EP83902563A EP0115515B1 (de)	1982-07-30	1983-07-22	Streuschirm mit beugender optik

Publications (1)

Publication Number	Publication Date
ATE27861T1 true ATE27861T1 (de)	1987-07-15

Family

ID=26091241

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT83902563T ATE27861T1 (de)	1982-07-30	1983-07-22	Streuschirm mit beugender optik.

Country Status (1)

Country	Link
AT (1)	ATE27861T1 (de)

1983
- 1983-07-22 AT AT83902563T patent/ATE27861T1/de not_active IP Right Cessation

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Legal Events

Date	Code	Title	Description
1987-10-15	UEP	Publication of translation of european patent specification
1998-04-15	REN	Ceased due to non-payment of the annual fee