Title: Radar beacon apparatus

Abstract: A radar beacon apparatus comprises a slot antenna for transmitting and a slot antenna for receiving which are respectively disposed in the substantially same axial direction and a transmitting unit and a receiving unit which are respectively connected to each end in the axial direction of the slot antenna as body parts. The body part is outwardly covered with a radar dome case made of a transparent sphere of waves (radio permeable material).

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Inventors: Kotoh, Keigo (Amagasaki, JP)
Morinaka, Akiyoshi (Amagasaki, JP)

Application Number: 901087
Filing Date: 1978-04-28
Publication_date: 1980-01-29
Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo, JP)
Primary Class(es): 342/187 343/770, 343/771, 343/893
Other Classes:
US Patent Ref:

2561421	Jul, 1951	Seale et al.	343/6.
2947987	Aug, 1960	Dodington	343/893.
2971188	Feb, 1961	Bryan	343/6.
3005984	Oct, 1961	Winter et al.	343/770.
3171094	Feb, 1965	Geren et al.	343/6.
3346865	Oct, 1967	Jone, Jr.	343/771.
3432853	Mar, 1969	Wise	343/6.
3638224	Jan, 1972	Bailey et al.	343/893.

Other Refs: 725386

Mar, 1955	GB

Primary Examiner: Hubler, Malcolm F.
Assistant Examiner:
Attorney: Oblon, Fisher, Spivak, McClelland & Maier