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ES137671A1 - A photoelectric device to measure the exposure time. - Google Patents

A photoelectric device to measure the exposure time.

Info

Publication number
ES137671A1
ES137671A1 ES137671A ES137671A ES137671A1 ES 137671 A1 ES137671 A1 ES 137671A1 ES 137671 A ES137671 A ES 137671A ES 137671 A ES137671 A ES 137671A ES 137671 A1 ES137671 A1 ES 137671A1
Authority
ES
Spain
Prior art keywords
measure
exposure time
photoelectric device
photoelectric
exposure
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
ES137671A
Other languages
Spanish (es)
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.)
Metrawatt AG
Original Assignee
Metrawatt 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.)
Filing date
Publication date
Application filed by Metrawatt AG filed Critical Metrawatt AG
Priority to ES137671A priority Critical patent/ES137671A1/en
Publication of ES137671A1 publication Critical patent/ES137671A1/en
Expired legal-status Critical Current

Links

ES137671A 1935-03-25 1935-03-25 A photoelectric device to measure the exposure time. Expired ES137671A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES137671A ES137671A1 (en) 1935-03-25 1935-03-25 A photoelectric device to measure the exposure time.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES137671A ES137671A1 (en) 1935-03-25 1935-03-25 A photoelectric device to measure the exposure time.

Publications (1)

Publication Number Publication Date
ES137671A1 true ES137671A1 (en) 1935-08-01

Family

ID=65591055

Family Applications (1)

Application Number Title Priority Date Filing Date
ES137671A Expired ES137671A1 (en) 1935-03-25 1935-03-25 A photoelectric device to measure the exposure time.

Country Status (1)

Country Link
ES (1) ES137671A1 (en)

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