GB386155A - Improvements in or relating to maps and charts - Google Patents
Improvements in or relating to maps and chartsInfo
- Publication number
- GB386155A GB386155A GB667832A GB667832A GB386155A GB 386155 A GB386155 A GB 386155A GB 667832 A GB667832 A GB 667832A GB 667832 A GB667832 A GB 667832A GB 386155 A GB386155 A GB 386155A
- Authority
- GB
- United Kingdom
- Prior art keywords
- map
- roller
- index
- ordinates
- rollers
- 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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B29/00—Maps; Plans; Charts; Diagrams, e.g. route diagram
- G09B29/10—Map spot or coordinate position indicators; Map reading aids
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
- Motorcycle And Bicycle Frame (AREA)
Abstract
386,155. Maps and charts. SOC. COMMERCIALE ET INDUSTRIELLE DE BANQUE, and MERZBACH, G., 68, Chaussee d'Antin, Paris. March 5, 1932, No. 6678. [Class 146 (ii).] In indicating-apparatus of the type comprising a map or chart, means for locating important points thereon by means of their co-ordinates, and an index comprising one or more bands mounted on rollers and operated alternatively in both directions, provision is made to avoid overwinding and consequent tearing of the index band at the end of its traverse. The index bands 19, which are mounted on rollers 20, 28 in housings below the map, are operated by external knobs 21 ; to prevent overwinding in either direction, the driving roller 28 is loosely mounted on the shaft 24 which carries the knob 21, and a spring 29 serving as a friction clutch is located between one end of the roller 28 and an adjustable nut 30. A chain 27 connects a gear 25 on the roller 28 with a gear 26 on the roller 20. The map co-ordinates may be rectangular or polar, and in the latter case places are found by a pivoted and graduated arm which cooperates with a graduated circle or with graduations marked on the periphery of the main part of the map of a town, district, &c.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB667832A GB386155A (en) | 1932-03-05 | 1932-03-05 | Improvements in or relating to maps and charts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB667832A GB386155A (en) | 1932-03-05 | 1932-03-05 | Improvements in or relating to maps and charts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB386155A true GB386155A (en) | 1933-01-12 |
Family
ID=9818798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB667832A Expired GB386155A (en) | 1932-03-05 | 1932-03-05 | Improvements in or relating to maps and charts |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB386155A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5105544A (en) * | 1991-09-17 | 1992-04-21 | Othon Ontiveros | Geographical location pinpointer |
| US5902113A (en) * | 1996-08-07 | 1999-05-11 | C. Robert Pryor | Map and calculator device |
-
1932
- 1932-03-05 GB GB667832A patent/GB386155A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5105544A (en) * | 1991-09-17 | 1992-04-21 | Othon Ontiveros | Geographical location pinpointer |
| US5902113A (en) * | 1996-08-07 | 1999-05-11 | C. Robert Pryor | Map and calculator device |
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