GB1232570A - - Google Patents
Info
- Publication number
- GB1232570A GB1232570A GB1232570DA GB1232570A GB 1232570 A GB1232570 A GB 1232570A GB 1232570D A GB1232570D A GB 1232570DA GB 1232570 A GB1232570 A GB 1232570A
- Authority
- GB
- United Kingdom
- Prior art keywords
- march
- fluoride
- oxalate
- luminescent
- ryf
- 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
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 abstract 5
- 229910052691 Erbium Inorganic materials 0.000 abstract 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 abstract 2
- 229910052688 Gadolinium Inorganic materials 0.000 abstract 2
- 229910052765 Lutetium Inorganic materials 0.000 abstract 2
- 229910052746 lanthanum Inorganic materials 0.000 abstract 2
- 229910052727 yttrium Inorganic materials 0.000 abstract 2
- 229910017768 LaF 3 Inorganic materials 0.000 abstract 1
- 229910052775 Thulium Inorganic materials 0.000 abstract 1
- 229910052769 Ytterbium Inorganic materials 0.000 abstract 1
- 230000005284 excitation Effects 0.000 abstract 1
- 150000002222 fluorine compounds Chemical class 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 235000006408 oxalic acid Nutrition 0.000 abstract 1
- 230000005855 radiation Effects 0.000 abstract 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
- C09K11/7766—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals
- C09K11/7772—Halogenides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
- F02D41/1454—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio
- F02D41/1456—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio with sensor output signal being linear or quasi-linear with the concentration of oxygen
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Luminescent Compositions (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US71689868A | 1968-03-28 | 1968-03-28 | |
| US76703868A | 1968-09-18 | 1968-09-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1232570A true GB1232570A (enrdf_load_stackoverflow) | 1971-05-19 |
Family
ID=27109620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1232570D Expired GB1232570A (enrdf_load_stackoverflow) | 1968-03-28 | 1969-03-10 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS4938431B1 (enrdf_load_stackoverflow) |
| BE (1) | BE730564A (enrdf_load_stackoverflow) |
| DE (1) | DE1915288B2 (enrdf_load_stackoverflow) |
| FR (1) | FR2004990A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1232570A (enrdf_load_stackoverflow) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999016009A1 (en) * | 1997-09-26 | 1999-04-01 | Iomega Corporation | Latent illuminance discrimination marker and system for data storage cartridges |
| US6181662B1 (en) | 1997-09-26 | 2001-01-30 | Iomega Corporation | Latent irradiance discrimination method and marker system for cartridgeless data storage disks |
| US6201662B1 (en) | 1998-09-25 | 2001-03-13 | Iomega Corporation | Latent illuminance discrimination marker with reflective layer for data storage cartridges |
| US6297924B1 (en) | 1998-11-13 | 2001-10-02 | Iomega Corporation | System and method for cartridge detection and verification using signal comparison |
| US6359745B1 (en) | 1997-09-26 | 2002-03-19 | Iomega Corporation | Latent illuminance discrimination marker system for data storage cartridges |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997046488A1 (en) * | 1996-06-05 | 1997-12-11 | Sarnoff Corporation | Method for preparing small particle size fluoride up-converting phosphors |
| US6039894A (en) * | 1997-12-05 | 2000-03-21 | Sri International | Production of substantially monodisperse phosphor particles |
-
1969
- 1969-03-10 GB GB1232570D patent/GB1232570A/en not_active Expired
- 1969-03-26 DE DE19691915288 patent/DE1915288B2/de active Pending
- 1969-03-27 JP JP2280269A patent/JPS4938431B1/ja active Pending
- 1969-03-27 BE BE730564D patent/BE730564A/xx unknown
- 1969-03-28 FR FR6909477A patent/FR2004990A1/fr not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999016009A1 (en) * | 1997-09-26 | 1999-04-01 | Iomega Corporation | Latent illuminance discrimination marker and system for data storage cartridges |
| US6091563A (en) * | 1997-09-26 | 2000-07-18 | Iomega Corporation | Latent illuminance discrimination marker system for data storage cartridges |
| US6181662B1 (en) | 1997-09-26 | 2001-01-30 | Iomega Corporation | Latent irradiance discrimination method and marker system for cartridgeless data storage disks |
| US6359745B1 (en) | 1997-09-26 | 2002-03-19 | Iomega Corporation | Latent illuminance discrimination marker system for data storage cartridges |
| US6201662B1 (en) | 1998-09-25 | 2001-03-13 | Iomega Corporation | Latent illuminance discrimination marker with reflective layer for data storage cartridges |
| US6297924B1 (en) | 1998-11-13 | 2001-10-02 | Iomega Corporation | System and method for cartridge detection and verification using signal comparison |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1915288A1 (de) | 1969-11-27 |
| JPS4938431B1 (enrdf_load_stackoverflow) | 1974-10-17 |
| BE730564A (enrdf_load_stackoverflow) | 1969-09-01 |
| FR2004990A1 (enrdf_load_stackoverflow) | 1969-12-05 |
| DE1915288B2 (de) | 1971-06-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |