Short-range radar and control method thereof

Details Short-range radar and control method thereof Short-range radar and control method thereof

2007-03-02

2010-10-12

Gregory, Bernarr E (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Determining distance

With pulse modulation

C342S021000, C342S082000, C342S089000, C342S118000, C342S134000, C342S175000, C342S202000, C342S204000

Reexamination Certificate

active

07812760

ABSTRACT:
A transmitting unit of a short-range radar includes a first pulse generating unit, a second pulse generating unit, an oscillator and a switch, and while complying with the spectrum mask specified for a UWB short-range radar, emits a predetermined short pulse wave not interfering with the RR prohibited band or the SRD band into the space. The first pulse generating unit outputs a first pulse having the width larger than the width of the short pulse wave in a predetermined period. The second pulse generating unit outputs a second pulse having the width corresponding to the width of the short pulse wave during the period when the first pulse generating unit outputs the first pulse. The oscillator oscillates only during the period when the first pulse generating unit outputs the first pulse, and the switch is turned on and passes the output signal from the oscillator only during the period when the second pulse generating unit outputs the second pulse, thereby to emit the output signal from the switch into the space as the predetermined short pulse wave.

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