CA1028181A - Moyen de mise au point de l'objectif de projecteurs pour diapositives - Google Patents

Moyen de mise au point de l'objectif de projecteurs pour diapositives

Info

Publication number
CA1028181A
CA1028181A CA281,323A CA281323A CA1028181A CA 1028181 A CA1028181 A CA 1028181A CA 281323 A CA281323 A CA 281323A CA 1028181 A CA1028181 A CA 1028181A
Authority
CA
Canada
Prior art keywords
focusing means
lens focusing
slide projectors
projectors
slide
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
Application number
CA281,323A
Other languages
English (en)
Inventor
Robert E. Styles
John C. Les Veaux
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.)
Hanimex Pty Ltd
Original Assignee
Hanimex Pty 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
Priority claimed from CA219,560A external-priority patent/CA1021182A/fr
Application filed by Hanimex Pty Ltd filed Critical Hanimex Pty Ltd
Priority to CA281,323A priority Critical patent/CA1028181A/fr
Application granted granted Critical
Publication of CA1028181A publication Critical patent/CA1028181A/fr
Expired legal-status Critical Current

Links

CA281,323A 1974-02-08 1977-06-24 Moyen de mise au point de l'objectif de projecteurs pour diapositives Expired CA1028181A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA281,323A CA1028181A (fr) 1974-02-08 1977-06-24 Moyen de mise au point de l'objectif de projecteurs pour diapositives

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AU651574 1974-02-08
CA219,560A CA1021182A (fr) 1974-02-08 1975-02-07 Projecteur de diapositives
CA281,323A CA1028181A (fr) 1974-02-08 1977-06-24 Moyen de mise au point de l'objectif de projecteurs pour diapositives

Publications (1)

Publication Number Publication Date
CA1028181A true CA1028181A (fr) 1978-03-21

Family

ID=27151665

Family Applications (1)

Application Number Title Priority Date Filing Date
CA281,323A Expired CA1028181A (fr) 1974-02-08 1977-06-24 Moyen de mise au point de l'objectif de projecteurs pour diapositives

Country Status (1)

Country Link
CA (1) CA1028181A (fr)

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