FR671691A - Improvements to television sets - Google Patents
Improvements to television setsInfo
- Publication number
- FR671691A FR671691A FR671691DA FR671691A FR 671691 A FR671691 A FR 671691A FR 671691D A FR671691D A FR 671691DA FR 671691 A FR671691 A FR 671691A
- Authority
- FR
- France
- Prior art keywords
- television sets
- television
- sets
- 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
- H04N3/04—Scanning details of television systems; Combination thereof with generation of supply voltages by optical-mechanical means only having a moving aperture also apertures covered by lenses
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US263030A US1748883A (en) | 1928-03-20 | 1928-03-20 | Transmission of pictures |
Publications (1)
Publication Number | Publication Date |
---|---|
FR671691A true FR671691A (en) | 1929-12-16 |
Family
ID=23000080
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR671691D Expired FR671691A (en) | 1928-03-20 | 1929-03-19 | Improvements to television sets |
Country Status (5)
Country | Link |
---|---|
US (1) | US1748883A (en) |
BE (1) | BE359126A (en) |
DE (1) | DE498145C (en) |
FR (1) | FR671691A (en) |
GB (1) | GB308277A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2480571A (en) * | 1940-09-07 | 1949-08-30 | Columbia Broadcasting Syst Inc | Color television |
US2636602A (en) * | 1947-06-18 | 1953-04-28 | U D Engineering Company Ltd | Apparatus for detecting the presence of foreign bodies on the bottoms of transparent vessels |
US3223777A (en) * | 1962-11-26 | 1965-12-14 | Jack A Crawford | Scanner system |
US8434238B2 (en) * | 2007-06-29 | 2013-05-07 | Andis Company | Hair dryer with light source |
-
0
- BE BE359126D patent/BE359126A/xx unknown
-
1928
- 1928-03-20 US US263030A patent/US1748883A/en not_active Expired - Lifetime
-
1929
- 1929-02-21 DE DEI37129D patent/DE498145C/en not_active Expired
- 1929-03-19 FR FR671691D patent/FR671691A/en not_active Expired
- 1929-03-20 GB GB9032/29A patent/GB308277A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US1748883A (en) | 1930-02-25 |
DE498145C (en) | 1930-05-19 |
BE359126A (en) | |
GB308277A (en) | 1929-11-21 |
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