BE391216A - - Google Patents
Info
- Publication number
- BE391216A BE391216A BE391216DA BE391216A BE 391216 A BE391216 A BE 391216A BE 391216D A BE391216D A BE 391216DA BE 391216 A BE391216 A BE 391216A
- Authority
- BE
- Belgium
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/04—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the shape
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Credit Cards Or The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US294110A US1772492A (en) | 1928-07-20 | 1928-07-20 | Record sheet for tabulating machines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE391216A true BE391216A (en:Method) |
Family
ID=23131924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE391216D BE391216A (en:Method) | 1928-07-20 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1772492A (en:Method) |
| BE (1) | BE391216A (en:Method) |
| FR (1) | FR677427A (en:Method) |
| GB (1) | GB315881A (en:Method) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2454711A (en) * | 1948-11-23 | Means for use in computing elapsed | ||
| US20050237580A1 (en) * | 2004-04-16 | 2005-10-27 | Dave Coleman | Scanner read head for images and optical mark recognition |
| US20050238260A1 (en) * | 2004-04-16 | 2005-10-27 | Dave Coleman | Image and optical mark scanner with encryption |
| USD519156S1 (en) * | 2004-05-18 | 2006-04-18 | Scantron Corporation | Scannable form |
| US20220314212A1 (en) * | 2019-07-26 | 2022-10-06 | Hewlett-Packard Development Company, L.P. | Control of cell concentration |
| US20220281171A1 (en) | 2019-09-25 | 2022-09-08 | Hewlett-Packard Development Company, L.P. | Removing build material particles |
| CN114025944B (zh) * | 2019-09-27 | 2024-04-26 | 惠普发展公司，有限责任合伙企业 | 构建材料装载 |
-
0
- BE BE391216D patent/BE391216A/xx unknown
-
1928
- 1928-07-20 US US294110A patent/US1772492A/en not_active Expired - Lifetime
-
1929
- 1929-06-25 FR FR677427D patent/FR677427A/fr not_active Expired
- 1929-07-19 GB GB22286/29A patent/GB315881A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR677427A (fr) | 1930-03-07 |
| GB315881A (en) | 1930-10-20 |
| US1772492A (en) | 1930-08-12 |