GB500225A - Image analyzing means with multiple-spiral discs - Google Patents
Image analyzing means with multiple-spiral discsInfo
- Publication number
- GB500225A GB500225A GB21715/37A GB2171537A GB500225A GB 500225 A GB500225 A GB 500225A GB 21715/37 A GB21715/37 A GB 21715/37A GB 2171537 A GB2171537 A GB 2171537A GB 500225 A GB500225 A GB 500225A
- Authority
- GB
- United Kingdom
- Prior art keywords
- spiral
- intercepter
- horizontal
- optical axis
- aug
- 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
- 230000003287 optical effect Effects 0.000 abstract 4
- 229940077002 keystone Drugs 0.000 abstract 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Mechanical Optical Scanning Systems (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
- Facsimile Scanning Arrangements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200861X | 1936-08-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB500225A true GB500225A (en) | 1939-02-06 |
Family
ID=5763248
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB21715/37A Expired GB500225A (en) | 1936-08-08 | 1937-08-06 | Image analyzing means with multiple-spiral discs |
Country Status (6)
Country | Link |
---|---|
US (1) | US2173501A (en:Method) |
BE (1) | BE422996A (en:Method) |
CH (1) | CH200861A (en:Method) |
FR (1) | FR825264A (en:Method) |
GB (1) | GB500225A (en:Method) |
NL (1) | NL56746C (en:Method) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3173993A (en) * | 1961-10-31 | 1965-03-16 | Hogan Faximile Corp | Facsimile sync pulse generation system |
-
0
- NL NL56746D patent/NL56746C/xx active
- BE BE422996D patent/BE422996A/xx unknown
-
1937
- 1937-07-30 CH CH200861D patent/CH200861A/de unknown
- 1937-08-06 US US157721A patent/US2173501A/en not_active Expired - Lifetime
- 1937-08-06 FR FR825264D patent/FR825264A/fr not_active Expired
- 1937-08-06 GB GB21715/37A patent/GB500225A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE422996A (en:Method) | |
CH200861A (de) | 1938-10-31 |
NL56746C (en:Method) | |
FR825264A (fr) | 1938-02-28 |
US2173501A (en) | 1939-09-19 |
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