FR1558968A - - Google Patents
Info
- Publication number
- FR1558968A FR1558968A FR1558968DA FR1558968A FR 1558968 A FR1558968 A FR 1558968A FR 1558968D A FR1558968D A FR 1558968DA FR 1558968 A FR1558968 A FR 1558968A
- Authority
- FR
- France
- 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
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
- G01D5/32—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 with attenuation or whole or partial obturation of beams of light
- G01D5/34—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 with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/36—Forming the light into pulses
- G01D5/38—Forming the light into pulses by diffraction gratings
-
- 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
- G01D5/32—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 with attenuation or whole or partial obturation of beams of light
- G01D5/34—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 with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/36—Forming the light into pulses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/005—Diaphragms
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1749766A CH451531A (de) | 1966-12-07 | 1966-12-07 | Beleuchtungseinrichtung |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1558968A true FR1558968A (fr) | 1969-03-07 |
Family
ID=4425869
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1558968D Expired FR1558968A (fr) | 1966-12-07 | 1967-11-24 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3488512A (fr) |
CH (1) | CH451531A (fr) |
DE (1) | DE1623672B1 (fr) |
FR (1) | FR1558968A (fr) |
GB (1) | GB1168006A (fr) |
SE (1) | SE329273B (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4527426B1 (fr) * | 1966-08-26 | 1970-09-08 | ||
US4672404A (en) * | 1982-09-17 | 1987-06-09 | Cornell Research Foundation, Inc. | Ballistic heterojunction bipolar transistor |
US4728616A (en) * | 1982-09-17 | 1988-03-01 | Cornell Research Foundation, Inc. | Ballistic heterojunction bipolar transistor |
US4649405A (en) * | 1984-04-10 | 1987-03-10 | Cornell Research Foundation, Inc. | Electron ballistic injection and extraction for very high efficiency, high frequency transferred electron devices |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2380666A (en) * | 1943-07-31 | 1945-07-31 | Morrison Montford | Telegraph signal transmission system |
US2886718A (en) * | 1955-05-31 | 1959-05-12 | Ferranti Ltd | Measuring apparatus |
US3070700A (en) * | 1958-02-24 | 1962-12-25 | Heir Thea Budnick | Process and device for reducing scanning and indexing errors of fine divisions |
US3153111A (en) * | 1958-06-26 | 1964-10-13 | Nat Res Dev | Measurement of displacements |
FR1243903A (fr) * | 1959-09-09 | 1960-10-21 | Saint Gobain | Filtre et procédé pour l'observation des objets de phase |
FR81726E (fr) * | 1962-05-23 | 1963-11-02 | Centre Nat Rech Scient | Procédé de mesure interférentielle et ses applications |
FR1345140A (fr) * | 1962-10-26 | 1963-12-06 | Ass Ouvriers Instr Precision | Dispositif de lecture photo-électrique |
-
1966
- 1966-12-07 CH CH1749766A patent/CH451531A/de unknown
-
1967
- 1967-11-13 GB GB51603/67A patent/GB1168006A/en not_active Expired
- 1967-11-23 SE SE16119/67A patent/SE329273B/xx unknown
- 1967-11-24 FR FR1558968D patent/FR1558968A/fr not_active Expired
- 1967-12-05 DE DE1967C0044048 patent/DE1623672B1/de active Pending
- 1967-12-05 US US688259A patent/US3488512A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB1168006A (en) | 1969-10-22 |
US3488512A (en) | 1970-01-06 |
SE329273B (fr) | 1970-10-05 |
CH451531A (de) | 1968-05-15 |
DE1623672B1 (de) | 1970-07-30 |