GB155162A - Improvements in or relating to morse tapping instruments - Google Patents
Improvements in or relating to morse tapping instrumentsInfo
- Publication number
- GB155162A GB155162A GB9264/20A GB926420A GB155162A GB 155162 A GB155162 A GB 155162A GB 9264/20 A GB9264/20 A GB 9264/20A GB 926420 A GB926420 A GB 926420A GB 155162 A GB155162 A GB 155162A
- Authority
- GB
- United Kingdom
- Prior art keywords
- rocker
- striker
- plunger
- braking
- morse
- 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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L15/00—Apparatus or local circuits for transmitting or receiving dot-and-dash codes, e.g. Morse code
- H04L15/04—Apparatus or circuits at the transmitting end
- H04L15/06—Apparatus or circuits at the transmitting end with a restricted number of keys, e.g. separate key for each type of code element
- H04L15/08—Apparatus or circuits at the transmitting end with a restricted number of keys, e.g. separate key for each type of code element with a single key which transmits dots in one position and dashes in a second position
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Braking Arrangements (AREA)
- Endoscopes (AREA)
Abstract
155,162. Hansen, J. H. March 31, 1920. Retractive switches.-In a Morse transmitter for use in telegraphy and lamp signalling, " dashes " are sent to line by depressing a spring- controlled plunger 2 connected to braking-mechanism for retarding the motion. The " dots " transmitter is similar but lacks the braking mechanism. The plunger 2 carries a striker 22 which, on depression, engages the end 4b of the rocker 4 which is pivoted at 12. A wiper (not shown) at the other end of the rocker 4 is thus caused to make contact with a plate so as to transmit an impulse. The striker 22 in its upward movement engages under the end 23 of a cam so that the plunger rotates in the casing 20 and the striker 22 clears the end 4b. The movement of the " dash " rocker is retarded by a leafspring 15 acting on a brade drum 14 carried by a pinion 13 which gears with a quadrant 11 on the shaft 12 of the rocker. The braking effect is regulated by means of the screwed pin 18.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9264/20A GB155162A (en) | 1920-03-31 | 1920-03-31 | Improvements in or relating to morse tapping instruments |
FR515496A FR515496A (en) | 1920-03-31 | 1920-05-14 | Improvements made to Morse manipulator devices |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9264/20A GB155162A (en) | 1920-03-31 | 1920-03-31 | Improvements in or relating to morse tapping instruments |
FR515496T | 1920-05-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB155162A true GB155162A (en) | 1920-12-16 |
Family
ID=9868621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9264/20A Expired GB155162A (en) | 1920-03-31 | 1920-03-31 | Improvements in or relating to morse tapping instruments |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR515496A (en) |
GB (1) | GB155162A (en) |
-
1920
- 1920-03-31 GB GB9264/20A patent/GB155162A/en not_active Expired
- 1920-05-14 FR FR515496A patent/FR515496A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR515496A (en) | 1921-04-02 |
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