GB729663A - Improvements in or relating to on-off recorders - Google Patents
Improvements in or relating to on-off recordersInfo
- Publication number
- GB729663A GB729663A GB2217752A GB2217752A GB729663A GB 729663 A GB729663 A GB 729663A GB 2217752 A GB2217752 A GB 2217752A GB 2217752 A GB2217752 A GB 2217752A GB 729663 A GB729663 A GB 729663A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pen
- mica
- sheet
- robinson
- spring
- 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
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C3/00—Registering or indicating the condition or the working of machines or other apparatus, other than vehicles
- G07C3/02—Registering or indicating working or idle time only
- G07C3/06—Registering or indicating working or idle time only in graphical form
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Recording Measured Values (AREA)
Abstract
729,663. Pens for recording instruments. ROBINSON & PARTNERS, Ltd., F. C., and ROBINSON, F. C. Nov. 16, 1953 [Sept. 3, 1952], No. 22177/52. Class 146(3). [Also in Group XIX] Each pen 15 of an on-off recorder associated with a plurality of machines (see Group XIX) is of sheet metal, having a "point" one sixteenth of an inch square and each pen is rivetted to one end of a spring 38 whose other end is riveted to the armature 39 of an associated electromagnet 31 for controlling its movement to and from a heat sensitive record sheet. Each pen is electrically heated for recording through resistance wire 44 wound on a sheet of mica 43 between two further sheets of mica 42, 45 all held to the pen by a sleeve 46 of aluminium or other metal to which one end of the wire 44 is connected the other end being connected to a copper lead wire 48. A mica washer 49 thermally insulates the pen from the spring 38.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2217752A GB729663A (en) | 1952-09-03 | 1952-09-03 | Improvements in or relating to on-off recorders |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2217752A GB729663A (en) | 1952-09-03 | 1952-09-03 | Improvements in or relating to on-off recorders |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB729663A true GB729663A (en) | 1955-05-11 |
Family
ID=10175200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2217752A Expired GB729663A (en) | 1952-09-03 | 1952-09-03 | Improvements in or relating to on-off recorders |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB729663A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2934395A (en) * | 1957-07-09 | 1960-04-26 | Mc Graw Edison Co | Thermal-type marker |
| US3327312A (en) * | 1964-12-22 | 1967-06-20 | Electric Tachometer Corp | Multi-channel thermal recorder |
| FR2482751A1 (en) * | 1980-05-16 | 1981-11-20 | Kienzle Apparate Gmbh | RECORDING DEVICE WITH STATIONARY RECORDING COMB, IN PARTICULAR OF A SPEED DIAGRAM |
-
1952
- 1952-09-03 GB GB2217752A patent/GB729663A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2934395A (en) * | 1957-07-09 | 1960-04-26 | Mc Graw Edison Co | Thermal-type marker |
| US3327312A (en) * | 1964-12-22 | 1967-06-20 | Electric Tachometer Corp | Multi-channel thermal recorder |
| FR2482751A1 (en) * | 1980-05-16 | 1981-11-20 | Kienzle Apparate Gmbh | RECORDING DEVICE WITH STATIONARY RECORDING COMB, IN PARTICULAR OF A SPEED DIAGRAM |
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