CA1041329A - Systeme pour le visionnement simultane de diapositives et de cliches - Google Patents

Systeme pour le visionnement simultane de diapositives et de cliches

Info

Publication number: CA1041329A
Authority: CA; Canada
Prior art keywords: support; viewing device; housing; light source; image
Prior art date: 1975-02-18
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

Application number

CA220,340A

Other languages

English (en)

Other versions

CA220340S (en

Inventor

Tino Celio

Gunter K. Degenhardt

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.)

Gretag AG

Original Assignee

Gretag AG

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.)

1975-02-18

Filing date

1975-02-18

Publication date

1978-10-31

1975-02-18 Application filed by Gretag AG filed Critical Gretag AG

1975-02-18 Priority to CA220,340A priority Critical patent/CA1041329A/fr

1978-10-31 Application granted granted Critical

1978-10-31 Publication of CA1041329A publication Critical patent/CA1041329A/fr

Status Expired legal-status Critical Current

Links

238000005286 illumination Methods 0.000 claims abstract description 16
238000010276 construction Methods 0.000 description 3
241000820057 Ithone Species 0.000 description 1
238000000149 argon plasma sintering Methods 0.000 description 1
230000009286 beneficial effect Effects 0.000 description 1
239000006185 dispersion Substances 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
239000000463 material Substances 0.000 description 1
239000002184 metal Substances 0.000 description 1
238000000034 method Methods 0.000 description 1

Landscapes

Illuminated Signs And Luminous Advertising (AREA)

CA220,340A 1975-02-18 1975-02-18 Systeme pour le visionnement simultane de diapositives et de cliches Expired CA1041329A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA220,340A CA1041329A (fr)	1975-02-18	1975-02-18	Systeme pour le visionnement simultane de diapositives et de cliches

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA220,340A CA1041329A (fr)	1975-02-18	1975-02-18	Systeme pour le visionnement simultane de diapositives et de cliches

Publications (1)

Publication Number	Publication Date
CA1041329A true CA1041329A (fr)	1978-10-31

Family

ID=4102324

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA220,340A Expired CA1041329A (fr)	1975-02-18	1975-02-18	Systeme pour le visionnement simultane de diapositives et de cliches

Country Status (1)

Country	Link
CA (1)	CA1041329A (fr)

1975
- 1975-02-18 CA CA220,340A patent/CA1041329A/fr not_active Expired

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