NL25679C - - Google Patents
Info
- Publication number
- NL25679C NL25679C NL25679DA NL25679C NL 25679 C NL25679 C NL 25679C NL 25679D A NL25679D A NL 25679DA NL 25679 C NL25679 C NL 25679C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
- H04N3/02—Scanning details of television systems; Combination thereof with generation of supply voltages by optical-mechanical means only
- H04N3/08—Scanning details of television systems; Combination thereof with generation of supply voltages by optical-mechanical means only having a moving reflector
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/18—Mechanical movements
- Y10T74/18056—Rotary to or from reciprocating or oscillating
- Y10T74/18144—Overcoming dead center
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Optical Elements Other Than Lenses (AREA)
- Mechanical Optical Scanning Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US190481A US1689847A (en) | 1927-05-11 | 1927-05-11 | Television system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL25679C true NL25679C (fr) |
Family
ID=22701523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL25679D NL25679C (fr) | 1927-05-11 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1689847A (fr) |
| DE (1) | DE479173C (fr) |
| FR (1) | FR654076A (fr) |
| GB (1) | GB290245A (fr) |
| NL (1) | NL25679C (fr) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2571129A (en) * | 1947-12-03 | 1951-10-16 | Sperry Corp | Scanning antenna system |
| US3226721A (en) * | 1948-03-26 | 1965-12-28 | Sperry Rand Corp | Scanning antenna utilizing four rotary prisms to produce rectilinear scan and fifth rotary prism to produce conical scan |
| US3627429A (en) * | 1968-08-14 | 1971-12-14 | Spectra Physics | Laser optical surveying instrument and method |
| US3704949A (en) * | 1970-06-22 | 1972-12-05 | Rms Ind Inc | Method and apparatus for personal identification |
| GB2144873A (en) * | 1983-08-12 | 1985-03-13 | Fairey Eng | Apparatus for scanning a laser beam |
| GB2186993A (en) * | 1986-02-26 | 1987-08-26 | British Nuclear Fuels Plc | Viewing systems with variable field of view |
| CN115601755B (zh) * | 2022-12-13 | 2023-03-14 | 广东小天才科技有限公司 | 扫描笔 |
-
0
- NL NL25679D patent/NL25679C/xx active
-
1927
- 1927-05-11 US US190481A patent/US1689847A/en not_active Expired - Lifetime
-
1928
- 1928-05-02 GB GB12952/28A patent/GB290245A/en not_active Expired
- 1928-05-10 FR FR654076D patent/FR654076A/fr not_active Expired
- 1928-05-11 DE DEW79345D patent/DE479173C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR654076A (fr) | 1929-04-02 |
| US1689847A (en) | 1928-10-30 |
| GB290245A (en) | 1928-11-01 |
| DE479173C (de) | 1929-07-13 |