NL23519C - - Google Patents
Info
- Publication number
- NL23519C NL23519C NL23519DA NL23519C NL 23519 C NL23519 C NL 23519C NL 23519D A NL23519D A NL 23519DA NL 23519 C NL23519 C NL 23519C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/30—Transforming light or analogous information into electric information
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Scanning Arrangements (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE287844X | 1927-03-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL23519C true NL23519C (https=) |
Family
ID=6059390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL23519D NL23519C (https=) | 1927-03-26 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1770497A (https=) |
| FR (1) | FR651051A (https=) |
| GB (1) | GB287844A (https=) |
| NL (1) | NL23519C (https=) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2721275A (en) * | 1935-02-21 | 1955-10-18 | Albert M Jackson | Method of and means for detecting aircraft |
| US2531951A (en) * | 1944-08-02 | 1950-11-28 | W I Westervelt | Interference reducing method of secret communication |
| US3014135A (en) * | 1957-03-04 | 1961-12-19 | Hewlett Packard Co | Direct current amplifier and modulator therefor |
| US3197643A (en) * | 1960-12-30 | 1965-07-27 | Ibm | Electro-optical plane aligning apparatus |
| FR1555808A (https=) * | 1967-12-11 | 1969-01-31 |
-
0
- NL NL23519D patent/NL23519C/xx active
-
1928
- 1928-02-10 GB GB4251/28A patent/GB287844A/en not_active Expired
- 1928-03-20 FR FR651051D patent/FR651051A/fr not_active Expired
- 1928-03-31 US US266153A patent/US1770497A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR651051A (fr) | 1929-02-14 |
| GB287844A (en) | 1928-06-28 |
| US1770497A (en) | 1930-07-15 |