GB406709A - Improvements in or relating to scanning apparatus for use in television picture telegraph and like systems - Google Patents
Improvements in or relating to scanning apparatus for use in television picture telegraph and like systemsInfo
- Publication number
- GB406709A GB406709A GB2452732A GB2452732A GB406709A GB 406709 A GB406709 A GB 406709A GB 2452732 A GB2452732 A GB 2452732A GB 2452732 A GB2452732 A GB 2452732A GB 406709 A GB406709 A GB 406709A
- Authority
- GB
- United Kingdom
- Prior art keywords
- drum
- mirror
- relating
- systems
- reflector
- 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
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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Mechanical Optical Scanning Systems (AREA)
- Stereoscopic And Panoramic Photography (AREA)
- Aerials With Secondary Devices (AREA)
Abstract
406,709. Television. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., Marconi House, Strand, DOWSETT, H. M., 47, Drayton Gardens, Winchmore Hill, and WALKER, L. E. Q., 1, Copt Hall Gardens, Mill Hill, all in London. Sept. 2, 1932, No. 24527. [Class 40 (iii).] A plurality of sets of reflectors 3A . . 4B span different portions of the dimension of a mirror drum 1 parallel to its axis, and each set gives, in co-operation with one mirror 2 on the drum a scanning-line SL1, SL2 of the same length at a distance from the drum. Each set of mirrors comprises a first reflector 4A, 4B facing the drum and a second reflector 3A, 3B facing away from the drum towards a screen 5, and the upper edge of the first mirror 4A of one set lies in the same straight line as the lower edge of the first mirror 4B of the other set.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2452732A GB406709A (en) | 1932-09-02 | 1932-09-02 | Improvements in or relating to scanning apparatus for use in television picture telegraph and like systems |
| DEM124825D DE640217C (en) | 1932-09-02 | 1933-08-27 | Mirror wheel arrangement for television |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2452732A GB406709A (en) | 1932-09-02 | 1932-09-02 | Improvements in or relating to scanning apparatus for use in television picture telegraph and like systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB406709A true GB406709A (en) | 1934-03-02 |
Family
ID=10213057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2452732A Expired GB406709A (en) | 1932-09-02 | 1932-09-02 | Improvements in or relating to scanning apparatus for use in television picture telegraph and like systems |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE640217C (en) |
| GB (1) | GB406709A (en) |
-
1932
- 1932-09-02 GB GB2452732A patent/GB406709A/en not_active Expired
-
1933
- 1933-08-27 DE DEM124825D patent/DE640217C/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE640217C (en) | 1936-12-24 |
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