GB791009A - Improvements in or relating to electrical methods and apparatus for engraving plates - Google Patents
Improvements in or relating to electrical methods and apparatus for engraving platesInfo
- Publication number
- GB791009A GB791009A GB18647/55A GB1864755A GB791009A GB 791009 A GB791009 A GB 791009A GB 18647/55 A GB18647/55 A GB 18647/55A GB 1864755 A GB1864755 A GB 1864755A GB 791009 A GB791009 A GB 791009A
- Authority
- GB
- United Kingdom
- Prior art keywords
- chisel
- voltage
- voltages
- valves
- triangular
- 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
- H04N1/40—Picture signal circuits
- H04N1/40025—Circuits exciting or modulating particular heads for reproducing continuous tone value scales
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Manufacture Or Reproduction Of Printing Formes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL333544X | 1954-07-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB791009A true GB791009A (en) | 1958-02-19 |
Family
ID=19784456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB18647/55A Expired GB791009A (en) | 1954-07-01 | 1955-06-28 | Improvements in or relating to electrical methods and apparatus for engraving plates |
Country Status (7)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4984714A (US06262066-20010717-C00315.png) * | 1972-12-20 | 1974-08-14 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3075052A (en) * | 1957-05-09 | 1963-01-22 | Emi Ltd | Methods of producing grooved records |
| NL254939A (US06262066-20010717-C00315.png) * | 1959-08-17 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2092765A (en) * | 1932-12-19 | 1937-09-14 | William A Hughes | Electric machine |
| US2312042A (en) * | 1940-08-03 | 1943-02-23 | George E Losier | Electric circuit for photoelectric engraving machines |
| FR986015A (fr) * | 1949-02-28 | 1951-07-26 | Modernisation Ind | Machine à graver et à fabriquer les pochoirs |
-
0
- BE BE539485D patent/BE539485A/xx unknown
- NL NLAANVRAGE7709307,B patent/NL188892B/xx unknown
- NL NL94718D patent/NL94718C/xx active
-
1955
- 1955-06-24 US US517784A patent/US2838599A/en not_active Expired - Lifetime
- 1955-06-28 GB GB18647/55A patent/GB791009A/en not_active Expired
- 1955-06-28 DE DEN10855A patent/DE1084352B/de active Pending
- 1955-07-01 CH CH333544D patent/CH333544A/de unknown
- 1955-07-01 FR FR1134024D patent/FR1134024A/fr not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4984714A (US06262066-20010717-C00315.png) * | 1972-12-20 | 1974-08-14 | ||
| JPS5312327B2 (US06262066-20010717-C00315.png) * | 1972-12-20 | 1978-04-28 |
Also Published As
| Publication number | Publication date |
|---|---|
| US2838599A (en) | 1958-06-10 |
| NL188892B (nl) | |
| BE539485A (US06262066-20010717-C00315.png) | |
| NL94718C (US06262066-20010717-C00315.png) | |
| CH333544A (de) | 1958-10-31 |
| DE1084352B (de) | 1960-06-30 |
| FR1134024A (fr) | 1957-04-04 |
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