GB1168006A - Improvements in and relating to Transilluminating Appliances - Google Patents
Improvements in and relating to Transilluminating AppliancesInfo
- Publication number
- GB1168006A GB1168006A GB51603/67A GB5160367A GB1168006A GB 1168006 A GB1168006 A GB 1168006A GB 51603/67 A GB51603/67 A GB 51603/67A GB 5160367 A GB5160367 A GB 5160367A GB 1168006 A GB1168006 A GB 1168006A
- Authority
- GB
- United Kingdom
- Prior art keywords
- slot
- graticules
- longitudinal axis
- light intensity
- transilluminating
- 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
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 |
|---|---|
| GB1168006A true GB1168006A (en) | 1969-10-22 |
Family
ID=4425869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB51603/67A Expired GB1168006A (en) | 1966-12-07 | 1967-11-13 | Improvements in and relating to Transilluminating Appliances |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3488512A (https=) |
| CH (1) | CH451531A (https=) |
| DE (1) | DE1623672B1 (https=) |
| FR (1) | FR1558968A (https=) |
| GB (1) | GB1168006A (https=) |
| SE (1) | SE329273B (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4527426B1 (https=) * | 1966-08-26 | 1970-09-08 | ||
| US4728616A (en) * | 1982-09-17 | 1988-03-01 | Cornell Research Foundation, Inc. | Ballistic heterojunction bipolar transistor |
| US4672404A (en) * | 1982-09-17 | 1987-06-09 | 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 |
|---|---|
| US3488512A (en) | 1970-01-06 |
| DE1623672B1 (de) | 1970-07-30 |
| SE329273B (https=) | 1970-10-05 |
| CH451531A (de) | 1968-05-15 |
| FR1558968A (https=) | 1969-03-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5126002A (https=) | ||
| US2176720A (en) | Electrical signaling system | |
| GB1168006A (en) | Improvements in and relating to Transilluminating Appliances | |
| GB1222554A (en) | A circuit for producing in a television receiver an output signal when the amplitude of the video signal is within a selected range | |
| JPS52132851A (en) | Optical detector of scanning type | |
| FR2301140A1 (fr) | Equipement de balayage a spot mobile | |
| JPS5398721A (en) | Facisimile transmitter | |
| GB1387614A (en) | Attachment for microscopes | |
| US1866573A (en) | Means for reversing current impulses | |
| GB1193216A (en) | Improvements in or relating to Pushbutton-Operated Tuning Apparatus | |
| GB702298A (en) | Tuning control mechanism for broadcast receivers | |
| GB626642A (en) | Improvements in or relating to light beam indicating apparatus | |
| JPS5435764A (en) | Distance measuring apparatus | |
| GB1203625A (en) | A microscope | |
| ES425500A1 (es) | Potenciometro optoelectronico. | |
| GB598511A (en) | New or improved instrument for drawing ellipses | |
| JPS5269653A (en) | Detector for displacement of scanning beam | |
| JPS5516523A (en) | Preset channel selector | |
| JPS5232609A (en) | Receiver | |
| JPS564031A (en) | Mtf measuring device | |
| SU108433A1 (ru) | Фотоэлектрическое устройство дл измерени изменений рассто ни до близлежащих объектов | |
| ES368618A1 (es) | Procedimiento y aparato para el control fotometrico de una caracteristica optica de un objeto. | |
| CESARONI et al. | Improvement of the resolving power of a TV system for pulsed images | |
| JPS5312212A (en) | Mixer circuit | |
| JPS57128813A (en) | Photoelectric type displacement measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |