FR1458148A - Improvement in differential photoelectric cells for measurements - Google Patents
Improvement in differential photoelectric cells for measurementsInfo
- Publication number
- FR1458148A FR1458148A FR12291A FR12291A FR1458148A FR 1458148 A FR1458148 A FR 1458148A FR 12291 A FR12291 A FR 12291A FR 12291 A FR12291 A FR 12291A FR 1458148 A FR1458148 A FR 1458148A
- Authority
- FR
- France
- Prior art keywords
- measurements
- improvement
- photoelectric cells
- differential photoelectric
- differential
- 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
Links
- 238000005259 measurement Methods 0.000 title 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR12291A FR1458148A (en) | 1965-04-07 | 1965-04-07 | Improvement in differential photoelectric cells for measurements |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR12291A FR1458148A (en) | 1965-04-07 | 1965-04-07 | Improvement in differential photoelectric cells for measurements |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1458148A true FR1458148A (en) | 1966-03-04 |
Family
ID=8575847
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR12291A Expired FR1458148A (en) | 1965-04-07 | 1965-04-07 | Improvement in differential photoelectric cells for measurements |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1458148A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0005547A1 (en) * | 1978-05-23 | 1979-11-28 | Heimann GmbH | Optoelectric adjustable potentiometer |
EP0005548A1 (en) * | 1978-05-23 | 1979-11-28 | Heimann GmbH | Optoelectrial potentiometer |
-
1965
- 1965-04-07 FR FR12291A patent/FR1458148A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0005547A1 (en) * | 1978-05-23 | 1979-11-28 | Heimann GmbH | Optoelectric adjustable potentiometer |
EP0005548A1 (en) * | 1978-05-23 | 1979-11-28 | Heimann GmbH | Optoelectrial potentiometer |
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