Difference between revisions of "Patent US-1908-922709"
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| + | |Applicant type=INDIV | ||
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Revision as of 10:15, 19 March 2022
Circuit triggers magnets which darkens exhaust (of an engine-driven aircraft) for a shorter or a longer time, thereby yielding Morse code.
- "It will be obvious from the foregoing description that any predetermined signal may be transmitted automatically by darkening the exhaust from the motor of an aerial machines for long or short periods corresponding to the dashes and dots of a telegraphic code and that the signals so produced in the wake of the aerial machine will be outlined against the sky and will be readable by means of a field glass at a distance."
"...A represents the cylinder of an explosive or other engine such as employed in motor-propelled aerial machines, and B is the exhaust pipe of said motor. Communicating with said exhaust pipe by means of a tube E, provided with a valve F, is a vessel C which may contain any suitable coloring material D such as carbon particles suspended in a liquid...
"...the magnet O controls the signaling apparatus through the intermediary of the magnet Q which is energized by the mattery N', the circuit of which is opened and closed by the operation of the armature P of the magnet O."
"...the magnet O controls the signaling apparatus through the intermediary of the magnet Q which is energized by the mattery N', the circuit of which is opened and closed by the operation of the armature P of the magnet O."
For night communication, the vessel can be equipped with an apparatus containing "strontium or other pyrotechnic material" to produce "flashes of colored light".
Box 167, Back Bay P.O., Boston, MA, Suffolk county, MA (FIPSloc=25025)
Sources
- Short's DB
- Neilson
- Means 1909?
- Google patent US922709
| Year filed | 1908 |
|---|---|
| Year granted | 1909 |
| Office | US |
| Patent number | 922709 |
| Inventors | James Means |
| Inventor country | US |
| Applicant person | James Means |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Signaling system |
| English title | Signaling apparatus for aerial machines |
| Tech fields | electronics, military |
| Filing date | July 1, 1908 |
| Full specification filed date | |
| Application number | |
| Grant date | May 25, 1909 |
| Granted? | Yes |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | Yes |
| Serial number | 441313 |
| Patent agent | |
| Assigned to | |
| National tech categories | 116/18 |
| IPCs | 340/815.65 |
| CPCs | USPC 40/213, CPC H03M1/00, CPC B61L5/1818 |
| Family year | 1909 |
| First filing? | No |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 2 |
| Number of diagram pages | 2 |
| Number of figures | 4 |
| Number of claims | 5 |
| Year filed | |
|---|---|
| Year granted | |
| Office | [[]] |
| Patent number | |
| Inventors | |
| Inventor country | |
| Applicant person | |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | |
| English title | |
| Tech fields | |
| Filing date | |
| Full specification filed date | |
| Application number | |
| Grant date | |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | |
| IPCs | |
| CPCs | |
| Family year | |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | |
| Number of diagram pages | |
| Number of figures | |
| Number of claims |
