|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||G01S-005/06 H04W-004/02 H04B-007/185 B64B-001/70 B64B-001/62 B64B-001/44 G01S-019/42 G01S-005/12 B64B-001/64|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 2 인용 특허 : 183|
Innovative new methods in connection with lighter-than-air (LTA) free floating platforms, of facilitating legal transmitter operation, platform flight termination when appropriate, environmentally acceptable landing, and recovery of these devices are provided. The new systems and methods relate to rise rate control, geo-location from a LTA platform including landed payload and ground-based vehicle locations, and steerable recovery systems.
1. A communications system comprising: a plurality of lighter-than-air platforms comprising at least a first platform and a second platform, said first and second platforms each comprising a communication signal transceiver configured to wirelessly communicate with a communication device on the ground, an altitude control mechanism comprising a pump and a valve, and at least two flight termination devices,wherein said first and second platforms are to be operational in an altitude range of about 60,000 feet to about 140,000 feet, and in operation, the al...