GB740640A - Strip chart recorder - Google Patents
Strip chart recorderInfo
- Publication number
- GB740640A GB740640A GB13892/53A GB1389253A GB740640A GB 740640 A GB740640 A GB 740640A GB 13892/53 A GB13892/53 A GB 13892/53A GB 1389253 A GB1389253 A GB 1389253A GB 740640 A GB740640 A GB 740640A
- Authority
- GB
- United Kingdom
- Prior art keywords
- edge
- paper
- pen
- plate
- movement
- 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
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D15/00—Component parts of recorders for measuring arrangements not specially adapted for a specific variable
- G01D15/28—Holding means for recording surfaces; Guiding means for recording surfaces; Exchanging means for recording surfaces
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Recording Measured Values (AREA)
Abstract
740,640. Recording-apparatus. SWARTWOUT CO. May 18, 1953 [Aug. 8, 1952], No. 13892/53. Class 106 (4). A strip chart P reverses its direction of movement by passing around the edge 4 of a transversely curved plate 5 so that the chart is shaped to the curvature of the edge which corresponds to the arc of movement of a pen 11 marking the chart adjacent ot the edge. The strip of paper P is drawn from a supply roll S, round a side edge 4 of the backing plate 5, across the face of the plate 5, around a drive sprocket roll D on to a take-up spool F. The roll D has two spaced sets of teeth 6 engaging rows of perforations 7 in the paper P and the perforations 7 are larger than the teeth to allow for expansion or shrinkage due to variations of humidity. A pen arm 10 rotates about an axis A, parallel to the direction of movement of the paper P over the plate 5, and carries the pen 11 adjacent the edge 4 which is arcuately curved about the axis A so that the paper P is linearly inscribed as it doubles back on itself round the edge 4. A similarly curved face 14, preferably lined with felt 15, of an adjustable bracket 13 ensures close conformity of the paper to the shape of the edge 4 which is rounded for smoothness. The instantaneous value of the variable may be indicated by a pointer on the pen arm 10 against a curved scale 23.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US740640XA | 1952-08-08 | 1952-08-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB740640A true GB740640A (en) | 1955-11-16 |
Family
ID=22117483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB13892/53A Expired GB740640A (en) | 1952-08-08 | 1953-05-18 | Strip chart recorder |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB740640A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2313664A1 (en) * | 1975-06-04 | 1976-12-31 | Mors Electricite | Chart recorder with two shafts - carries rollers which transport chart across plate forming recording table |
| DE2651073A1 (en) * | 1976-11-09 | 1978-05-18 | Eppendorf Geraetebau Netheler | Strip chart pen recorder for analogue data - has recording mechanism under flat surface on which strip chart rests |
-
1953
- 1953-05-18 GB GB13892/53A patent/GB740640A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2313664A1 (en) * | 1975-06-04 | 1976-12-31 | Mors Electricite | Chart recorder with two shafts - carries rollers which transport chart across plate forming recording table |
| DE2651073A1 (en) * | 1976-11-09 | 1978-05-18 | Eppendorf Geraetebau Netheler | Strip chart pen recorder for analogue data - has recording mechanism under flat surface on which strip chart rests |
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