GB480673A - Improvements in or relating to television apparatus - Google Patents
Improvements in or relating to television apparatusInfo
- Publication number
- GB480673A GB480673A GB17663/36A GB1766336A GB480673A GB 480673 A GB480673 A GB 480673A GB 17663/36 A GB17663/36 A GB 17663/36A GB 1766336 A GB1766336 A GB 1766336A GB 480673 A GB480673 A GB 480673A
- Authority
- GB
- United Kingdom
- Prior art keywords
- scanning
- rods
- supported
- inertia
- rod
- 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
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/46—Colour picture communication systems
- H04N1/50—Picture reproducers
- H04N1/502—Reproducing the colour component signals dot-sequentially or simultaneously in a single or in adjacent picture-element positions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/46—Colour picture communication systems
- H04N1/48—Picture signal generators
- H04N1/486—Picture signal generators with separate detectors, each detector being used for one specific colour component
-
- 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)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
480,673. Television. PRIESS, W. H. June 25, 1936, No. 17663. Convention date, July 13, 1935. [Class 40 (iii)] [Also in Group XX] A single mirror 1 is supported and controlled by a torsion rod 6 vibrated electromagnetically at high frequency, and is simultaneously moved in a second direction by a second torsion rod 3 vibrated electromagnetically at low frequency, and both rods and their associated masses vibrate at their natural frequencies. The rods are so supported at their ends 4, 7 that the bulk of inertia reaction is concentrated at those points. The ratio of the moment of inertia of the mass of each system to the elasticity of its rod is constant for all normal variations of temperature. Synchronism is maintained by scanning a bright line 18, 19 along the edges of a scanning mask 17. Specification 461,128 is referred to. The Specification as open to inspection under Sect. 91 comprises also a fixed prism for analyzing the scanning light in a number of colours, each of which is incident on a separate photoelectric cell with its amplifier modulating the output of a generator. A similar prism is used at the receiver. The receiving screen has a translucent granular surface and a mirror backing. The surface comprises a substance which glows under illumination with a persistence such that the period of glow is equal to that of the picture frequency. This subjectmatter does not appear in the Specification as accepted.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NZ480673X | 1935-07-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB480673A true GB480673A (en) | 1938-02-25 |
Family
ID=19915834
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2594/38A Expired GB480944A (en) | 1935-07-13 | 1936-06-25 | Improvements in systems of and apparatus for television |
GB17663/36A Expired GB480673A (en) | 1935-07-13 | 1936-06-25 | Improvements in or relating to television apparatus |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2594/38A Expired GB480944A (en) | 1935-07-13 | 1936-06-25 | Improvements in systems of and apparatus for television |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR810375A (en) |
GB (2) | GB480944A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3156759A (en) * | 1961-01-13 | 1964-11-10 | Gen Precision Inc | Dual cantilever mounted scanning mechanism |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2479517A (en) * | 1946-06-08 | 1949-08-16 | Roy E Schensted | Color television apparatus |
US5037201A (en) * | 1990-03-30 | 1991-08-06 | Xerox Corporation | Spectral resolving and sensing apparatus |
-
1936
- 1936-06-25 GB GB2594/38A patent/GB480944A/en not_active Expired
- 1936-06-25 GB GB17663/36A patent/GB480673A/en not_active Expired
- 1936-07-04 FR FR810375D patent/FR810375A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3156759A (en) * | 1961-01-13 | 1964-11-10 | Gen Precision Inc | Dual cantilever mounted scanning mechanism |
Also Published As
Publication number | Publication date |
---|---|
FR810375A (en) | 1937-03-20 |
GB480944A (en) | 1938-02-25 |
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