NL7313191A - - Google Patents
Info
- Publication number
- NL7313191A NL7313191A NL7313191A NL7313191A NL7313191A NL 7313191 A NL7313191 A NL 7313191A NL 7313191 A NL7313191 A NL 7313191A NL 7313191 A NL7313191 A NL 7313191A NL 7313191 A NL7313191 A NL 7313191A
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/255—Details, e.g. use of specially adapted sources, lighting or optical systems
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
- G03G15/0848—Arrangements for testing or measuring developer properties or quality, e.g. charge, size, flowability
- G03G15/0849—Detection or control means for the developer concentration
- G03G15/0855—Detection or control means for the developer concentration the concentration being measured by optical means
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
- G03G15/0848—Arrangements for testing or measuring developer properties or quality, e.g. charge, size, flowability
- G03G15/0856—Detection or control means for the developer level
- G03G15/0862—Detection or control means for the developer level the level being measured by optical means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Optical Measuring Cells (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2248781A DE2248781C2 (de) | 1972-10-05 | 1972-10-05 | Wechsellichtphotometer |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NL7313191A true NL7313191A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-04-09 |
| NL163871B NL163871B (nl) | 1980-05-16 |
| NL163871C NL163871C (nl) | 1980-10-15 |
Family
ID=5858209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7313191.A NL163871C (nl) | 1972-10-05 | 1973-09-25 | Wissellichtfotometer. |
Country Status (7)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105136692B (zh) * | 2015-07-30 | 2018-02-09 | 苏州卫宁精密仪器设备有限公司 | 一种医用检测光度计 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1999023A (en) * | 1933-04-20 | 1935-04-23 | Electrical Testing Lab | Photoelectric comparator |
| US2970513A (en) * | 1957-03-25 | 1961-02-07 | Mine Safety Appliances Co | Apparatus for analysis of materials |
| US3091690A (en) * | 1960-06-16 | 1963-05-28 | Barnes Eng Co | Two path infrared gas analyzer having one enclosed path |
| US3496370A (en) * | 1966-05-16 | 1970-02-17 | Advance Data Systems Corp | Bill validation device with transmission and color tests |
| US3506365A (en) * | 1968-01-31 | 1970-04-14 | Us Air Force | Bidirectional reflection attachment for a double beam spectrophotometer |
| JPS5423598B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1972-03-18 | 1979-08-15 |
-
1972
- 1972-10-05 DE DE2248781A patent/DE2248781C2/de not_active Expired
-
1973
- 1973-09-25 NL NL7313191.A patent/NL163871C/xx not_active IP Right Cessation
- 1973-10-02 GB GB4598673A patent/GB1439206A/en not_active Expired
- 1973-10-03 FR FR7335347A patent/FR2202291B1/fr not_active Expired
- 1973-10-04 JP JP48111908A patent/JPS4974083A/ja active Pending
- 1973-10-05 AU AU61065/73A patent/AU471955B2/en not_active Expired
- 1973-10-05 US US403799A patent/US3877820A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR2202291A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-05-03 |
| NL163871B (nl) | 1980-05-16 |
| DE2248781B1 (de) | 1974-01-03 |
| GB1439206A (en) | 1976-06-16 |
| NL163871C (nl) | 1980-10-15 |
| FR2202291B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-11-08 |
| DE2248781A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-01-03 |
| AU471955B2 (en) | 1976-05-06 |
| JPS4974083A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-07-17 |
| US3877820A (en) | 1975-04-15 |
| DE2248781C2 (de) | 1974-08-01 |
| AU6106573A (en) | 1975-04-10 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| V1 | Lapsed because of non-payment of the annual fee |