Small-sized radio frequency type repeater

Details Small-sized radio frequency type repeater Small-sized radio frequency type repeater

2011-06-14

2011-06-14

Trinh, Tan (Department: 2618)

Telecommunications

Carrier wave repeater or relay system

Portable or mobile repeater

C455S007000, C455S067160, C455S090300, C370S315000, C370S316000

Reexamination Certificate

active

07962092

ABSTRACT:
A small-sized Integrated Radio Frequency Type Repeater includes first and second Service (transmitting) Antennas, a Junction circuit part with RF type (200) which plays the role of relay, a Shield Box (400) which protects the first and second Service Donor (receiving) Antennas (310, 320) and a Junction circuit part (200) installed inside of the same body. (Cover) (500). The first Service (transmitting) Antenna (110) and the first Donor (receiving) Antenna (310) attached to opposite sides of the Shield Box (400) and the second Service Antenna (120) is separated from the first Service (transmitting) Antenna (110) between the inside of Cover (500) and the first Service (transmitting) Antenna (110), and the second Donor (receiving) Antenna (320) is installed to be separated from the first Donor (receiving) Antenna (310) between the inside of the Cover (500) and the first Donor (receiving) Antenna (310). The Repeater makes good output waveform to transmit even in a state of low isolation margin including minimization of Oscillation volume due to delay reduction of Repeater by application of RF type which possible to use of Filter with low delay, not IF type which used SAW Filter or Digital Filter with a relatively high delay, and it takes effect to expand so much service scope by improvement of output gain with this.

REFERENCES:
patent: 2004/0110469 (2004-06-01), Judd et al.
patent: 2004/0166802 (2004-08-01), McKay et al.
patent: 2006/0014491 (2006-01-01), Cleveland
patent: 2006/0052066 (2006-03-01), Cleveland et al.
patent: 2006/0063487 (2006-03-01), Cleveland et al.
patent: 2006/0205343 (2006-09-01), Runyon et al.
patent: 2008/0081555 (2008-04-01), Kong et al.
patent: 2009/0323582 (2009-12-01), Proctor et al.
patent: 2010/0029197 (2010-02-01), Judd et al.

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