Patent US1748332A successfully refreshed from Google Patents.
Patent US3558027A successfully refreshed from Google Patents.
US3558027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Station-selector magazine
Assignee: Thales Avionics SAS
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Filing: 1969-01-10
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Granted: 1971-01-26
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Expires: 1989-01-10
Abstract
Abstract Station-selector magazine which is suitable for use on board aircraft for storing the coordinates of a plurality of characteristic stations marking a flight path for the utilization of said coordinates in the digital computer of a navigation system, said coordinates being indicated on a recording medium which is capable of moving under the action of transfer means in front of visual observation means and photoelectric reading means and which can thus be read visually and photoelectrically, wherein said magazine comprises a casing which is intended to be fixed on a support such as the instrument panel of an aircraft, a removable drawer which is housed within said casing and capable of being locked in the utilization position being provided at the front end with photoelectric reading means and at the bottom with positioning means for receiving a loading unit, said unit being adapted to contain on the one hand the coordinate recording medium and on the other hand means for transferring said recording medium manual-control means mounted within a bottom compartment of said drawer and serving to actuate the means for transferring the coordinate recording medium which is incorporated in said loading unit.
Inventors
- 👤 Jean Jullien-Davin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:35
CPC Classifications
G; G08; G08G; G08G5/00; G08G5/20; G08G5/21; G01; G01C; G01C21/00
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
195 words
A station-selector magazine which is suitable for use on board aircraft for storing the coordinates of a plurality of characteristic stations marking a flight path for the utilization of said coordinates in the digital computer of a navigation system, said coordinates being indicated on a recording medium which is capable of moving under the action of transfer means in front of visual observation means and photoelectric reading means and which can thus be read visually and photoelectrically, wherein said magazine comprises a casing which is intended to be fixed on a support such as the instrument panel of an aircraft, a removable drawer which is housed within said casing and capable of being locked in the utilization position and being provided at the front end with photoelectric reading means and at the bottom with positioning means for receiving a loading unit, said unit being adapted to contain on the one had the coordinate recording medium and on the other hand means for transporting said recording medium, manual-control means mounted within a boTtom compartment of said drawer and serving to actuate the means for transporting the coordinate recording medium which is incorporated in said loading unit.
Claim 2
Dependent Claim
195 words
A station-selector magazine which is suitable for use on board aircraft for storing the coordinates of a plurality of characteristic stations marking a flight path for the utilization of said coordinates in the digital computer of a navigation system, said coordinates being indicated on a recording medium which is capable of moving under the action of transfer means in front of visual observation means and photoelectric reading means and which can thus be read visually and photoelectrically, wherein said magazine comprises a casing which is intended to be fixed on a support such as the instrument panel of an aircraft, a removable drawer which is housed within said casing and capable of being locked in the utilization position and being provided at the front end with photoelectric reading means and at the bottom with positioning means for receiving a loading unit, said unit being adapted to contain on the one had the coordinate recording medium and on the other hand means for transporting said recording medium, manual-control means mounted within a boTtom compartment of said drawer and serving to actuate the means for transporting the coordinate recording medium which is incorporated in said loading unit.
Claim 3
Dependent Claim
108 words
A station-selector magazine according to claim 1, wherein the coordinate recording medium contained in the loading unit consists of a flexible tape in the form of a closed loop which is placed within the loading unit so as to form free snaked coils and which is provided with transfer slots along at least one of its two edges and with translucent portions intended to receive the characteristic station references in clear, at least one row of translucent points for the coded inscription of the coordinates of said stations and one separate auxiliary translucent point for indicating the correct position of the tape with respect to the reading means.
Claim 4
Dependent Claim
114 words
A station-selector magazine according to claim 2, wherein the loading unit is provided with two slots for the insertion of the coordinate recording tape and for passing said tape in front of the reading means and wherein the transfer means incorporated in said loading unit consist of two studded wheels disposed on the front face of said loading unit on each side of a front zone of said unit from which the reading is taken, said studded wheels being adapted to cooperate with the transfer slots of the tape which is intended to move past said front zone of the loading unit, and friction-coupling means for connecting each studded wheel to the control means.
Claim 5
Dependent Claim
124 words
A station-selector magazine according to claim 3, wherein the control means comprise a manually-operated rotary element which is accessible from the exterior and a drive system for actuating the friction-coupling means of the two studded wheels, said drive system having two automatically-selected ratios each corresponding to one direction of the operation of transfer of the coordinate recording tape, the arrangement of said drive system being such that the particular studded wheel which carries out the driving function and exerts a tractive force on that portion of the tape which passes in front of the reading zone has a tendency to rotate at a higher speed than the other studded wheel so as to produce both tension and surface flatness of said portion of tape.
Claim 6
Dependent Claim
219 words
A station-selector magazine according to claim 4, wherein the drive system having two drive ratios selected as a function of the direction of operation exerted on the control element comprises a pinion which is actuated from the control element, a ratchet-tooth-coupling system having a toothed wheel which is integral with said pinion and a driven toothed wheel, a variable-diameter pulley having a driven sliding cheek which is integral with said driven tooth wheel and a nonsliding cheek which is separated from said sliding cheek by an elastic ring which tends on the one hand to separate the two cheeks in order that said pulley should have a minimum diameter and on the other hand to cause the full engagement of the two toothed rings of the ratchet-tooth-coupling system, a pulley having a fixed diameter comprised between the maximum and minimum values of the variable-diameter pulley and coupled with said variable-diameter pulley means of a belt, the two pulleys being connected to the respective friction-coupling systems of the two studded wheels and the directions of the teeth of the ratchet-tooth-coupling system being such that the two meshed toothed wheels are in contact on the root circle and that the diameter of the corresponding pulley is of minimum value when the studded wheel which is associated therewith is the driving pulley.
Claim 7
Dependent Claim
30 words
A station-selector magazine according to claim 4, wherein the connection between each friction-coupling system and the shaft of the corresponding pulley is obtained by means of a flexible engagement device.
Claim 8
Dependent Claim
101 words
A station-selector magazine according to claim 4, wherein the loading unit is provided with a recess in the zone corresponding to the reading zone whilst the drawer is provided on the one hand with an illuminatinG unit adapted to engage in said recess which is closed off by the coordinate recording tape and on the other hand with a photoelectric reading unit placed opposite to the illuminating unit and separated therefrom by said tape, the front wall of the drawer being additionally provided with a window for reading indications in clear which are carried by the translucent portions of the tape.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |