Patent US5408515A successfully refreshed from Google Patents.
US5408515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ground-to-air telephone calling system and related method for directing a call to a particular passenger
Assignee: Mobile Telecommunication Technology
•
Filing: 1994-04-12
•
Granted: 1995-04-18
•
Expires: 2014-04-12
Abstract
Abstract A ground-to-air telephone calling system is provided including a computer for receiving an airborne telephone number and a call-back number from a calling party and forming the telephone numbers into a data signal comporting with existing protocol filed in the FCC, an uplink unit for uplinking the data signal to a satellite and a plurality of downlink stations for receiving the data signal from the satellite; a plurality of ground stations corresponding to each of the downlink units for receiving the data signals and passing a call signal identifying the airborne telephone and particular ground station to a corresponding transmit/receive unit for subsequent transmission to the aircraft; a call being initiated from the ground station to the calling party over the public switched telephone network if the aircraft responds to the call signal. An alternative embodiment provides for a plurality of telephones on board the aircraft, and is capable of directing a call from a ground based caller to a particular telephone assigned to a passenger on the aircraft.
Inventors
- 👤 Jai P. Bhagat
- 👤 William D. Hays
- 👤 Ernest A. Oswalt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:19
CPC Classifications
H; H04; H04B; H04B7/00; H04B7/14; H04B7/15; H04B7/185; H04B7/18502; H04B7/18506; H04B7/18508
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
264 words
A system for establishing a communication link between a ground-based caller and a passenger on board an aircraft, the aircraft having a plurality of telephones, the system comprising: means for assigning a traveler assigned number (TAN) to the passenger, said TAN comprising a code to uniquely identify the passenger; means for assigning an aircraft identification number (AIN) to the aircraft, said AIN comprising a code to uniquely identify the aircraft; first correlation means for correlating the passenger's TAN to a predetermined seat assignment on the aircraft; means for generating a data signal in response to a telephone call to the passenger from said caller, said data signal including the passenger's seat assignment, the aircraft AIN, and the caller's telephone number; a signal transmitting and receiving network for receiving the data signal and transmitting a call signal over a predetermined geographic area, the call signal including the passenger's seat assignment; means, on board the aircraft, for receiving the call signal; second correlation means, on board the aircraft and responsive to the seat assignment in the call signal, for correlating the call signal with a predetermined telephone on board the aircraft; switching means, on board the aircraft and responsive to the second correlation means, for establishing a call connection to the predetermined telephone; means, on board the aircraft and responsive to the call signal, for transmitting a response signal; and means, included in the signal transmitting and receiving network and responsive to the response signal, for calling the caller's telephone number and completing a communication link to the caller when the caller answers the telephone call.
Claim 2
Independent Claim
264 words
A system for establishing a communication link between a ground-based caller and a passenger on board an aircraft, the aircraft having a plurality of telephones, the system comprising: means for assigning a traveler assigned number (TAN) to the passenger, said TAN comprising a code to uniquely identify the passenger; means for assigning an aircraft identification number (AIN) to the aircraft, said AIN comprising a code to uniquely identify the aircraft; first correlation means for correlating the passenger's TAN to a predetermined seat assignment on the aircraft; means for generating a data signal in response to a telephone call to the passenger from said caller, said data signal including the passenger's seat assignment, the aircraft AIN, and the caller's telephone number; a signal transmitting and receiving network for receiving the data signal and transmitting a call signal over a predetermined geographic area, the call signal including the passenger's seat assignment; means, on board the aircraft, for receiving the call signal; second correlation means, on board the aircraft and responsive to the seat assignment in the call signal, for correlating the call signal with a predetermined telephone on board the aircraft; switching means, on board the aircraft and responsive to the second correlation means, for establishing a call connection to the predetermined telephone; means, on board the aircraft and responsive to the call signal, for transmitting a response signal; and means, included in the signal transmitting and receiving network and responsive to the response signal, for calling the caller's telephone number and completing a communication link to the caller when the caller answers the telephone call.
Claim 3
Dependent Claim
43 words
A system according to claim 1, wherein the signal transmitting and receiving network includes a plurality of ground units, each of the plurality of ground units comprising means for receiving the data signal and means for storing the telephone number of the caller.
Claim 4
Dependent Claim
23 words
A system according to claim 1, where said TAN comprises at least one of a social security number and a frequent flyer number.
Claim 5
Dependent Claim
21 words
A system according to claim 1, wherein said first correlation means is located at an airline ticket counter of an airport.
Claim 6
Dependent Claim
25 words
A system according to claim 1, wherein said plurality of telephones on board said aircraft include one telephone located at each seat on said aircraft.
Claim 7
Dependent Claim
64 words
A system according to claim 1, wherein said plurality of telephones on board said aircraft include one telephone for a predetermined group of seats on said aircraft; and the system further comprises seat indication means associated with each of said plurality of telephones for indicating for which seat of the predetermined group of seats associated with the one telephone an incoming call is intended.
Claim 8
Dependent Claim
29 words
A system according to claim 1, wherein the receiving means on board the aircraft and transmitting means on board the aircraft comprise an 800 MHz multichannel digital RF transceiver.
Claim 9
Dependent Claim
36 words
A system according to claim 1, wherein the means for transmitting the response signal includes means for generating the response signal when the AIN included in the call signal corresponds to the AIN of the aircraft.
Claim 10
Dependent Claim
26 words
A system according to claim 1, further comprising means for storing a record of information including the passenger's TAN and seat assignment and the aircraft's AIN.
Claim 11
Dependent Claim
59 words
A system according to claim 9, wherein said record of information further includes the passenger's flight times; and said system further comprises, means for comparing a current time of day with the passenger's flight times; and means responsive to the comparison means for transmitting the call signal only if the call is being made during the passenger's flight times.
Claim 12
Independent Claim
164 words
A system for establishing a communication link between a ground-based caller and a passenger on board an aircraft having a plurality of telephones, comprising: means for correlating the passenger to a predetermined seat assignment on a predetermined aircraft; means for correlating a predetermined telephone on board the aircraft to the passenger; means for receiving a call for the passenger; means for receiving the caller's telephone number; means for transmitting a call signal over a predetermined geographic region; means for receiving the call signal at the aircraft; means for establishing a call connection to the predetermined telephone on the aircraft; means for transmitting a response signal from the aircraft to a ground station in response to receipt of the call signal; means for calling the caller's telephone number from the ground station in response to receipt of the response signal; and means for establishing the communication link between the predetermined telephone and the caller when the caller answers the call to the caller's telephone number.
Claim 13
Independent Claim
164 words
A system for establishing a communication link between a ground-based caller and a passenger on board an aircraft having a plurality of telephones, comprising: means for correlating the passenger to a predetermined seat assignment on a predetermined aircraft; means for correlating a predetermined telephone on board the aircraft to the passenger; means for receiving a call for the passenger; means for receiving the caller's telephone number; means for transmitting a call signal over a predetermined geographic region; means for receiving the call signal at the aircraft; means for establishing a call connection to the predetermined telephone on the aircraft; means for transmitting a response signal from the aircraft to a ground station in response to receipt of the call signal; means for calling the caller's telephone number from the ground station in response to receipt of the response signal; and means for establishing the communication link between the predetermined telephone and the caller when the caller answers the call to the caller's telephone number.
Claim 14
Dependent Claim
34 words
A system according to claim 11 wherein the means for correlating a predetermined telephone on board the aircraft to the passenger includes means for correlating the passenger's predetermined seat assignment to the predetermined telephone.
Claim 15
Independent Claim
149 words
A method of establishing a communication link between a ground-based caller and a passenger on board an aircraft having a plurality of telephones, the method comprising the steps of: correlating the passenger to a predetermined seat assignment on a predetermined aircraft; correlating a predetermined telephone on board the aircraft to the passenger; receiving a call for the passenger; receiving the caller's telephone number; transmitting a call signal over a predetermined geographic region; receiving the call signal at the aircraft; establishing a call connection to the predetermined telephone on the aircraft; transmitting a response signal from the aircraft to a ground station in response to receipt of the call signal; calling the caller's telephone number from the ground station in response to receipt of the response signal; and establishing the communication link between the predetermined telephone and the caller when the caller answers the call to the caller's telephone number.
Claim 16
Independent Claim
149 words
A method of establishing a communication link between a ground-based caller and a passenger on board an aircraft having a plurality of telephones, the method comprising the steps of: correlating the passenger to a predetermined seat assignment on a predetermined aircraft; correlating a predetermined telephone on board the aircraft to the passenger; receiving a call for the passenger; receiving the caller's telephone number; transmitting a call signal over a predetermined geographic region; receiving the call signal at the aircraft; establishing a call connection to the predetermined telephone on the aircraft; transmitting a response signal from the aircraft to a ground station in response to receipt of the call signal; calling the caller's telephone number from the ground station in response to receipt of the response signal; and establishing the communication link between the predetermined telephone and the caller when the caller answers the call to the caller's telephone number.
Claim 17
Dependent Claim
35 words
A method according to claim 13 wherein the step of correlating a predetermined telephone on board the aircraft to the passenger includes the step of correlating the passenger's predetermined seat assignment to the predetermined telephone.
References Cited (Backward Citations)
US2957047A
Cited
US3506791A
Cited
US3641791A
Cited
US3902022A
Cited
US4172969A
Cited
US4197526A
Cited
DE2749803A1
Cited
US4178476A
Cited
US4162377A
Cited
US4191860A
Cited
US4263480A
Cited
US4336524A
Cited
US4313035A
Cited
US4455651A
Cited
US4577060A
Cited
US4574164A
Cited
US4672655A
Cited
US4584603A
Cited
US4845739A
Cited
US4647980A
Cited
US4647980B1
Cited
US5210786A
Cited
JPS6486633A
Cited
US5099245A
Cited
US5051565A
Cited
US5173936A
Cited
US5212804A
Cited
US5237499A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1998-04-17 | 1998-10-17 | 1999-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-04-17 | 2002-10-17 | 2003-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-04-17 | 2006-10-17 | 2007-04-18 | $7700.00 | Window Closed / Lapsed |