Radio monitoring apparatus and procedures

Details Radio monitoring apparatus and procedures Radio monitoring apparatus and procedures

1998-01-22

2000-04-25

Nguyen, Lee

Telecommunications

Receiver or analog modulated signal frequency converter

Convertible to different type

4551501, 4551881, 4551882, 4551911, 455575, H04B 114

Patent

active

060554193

ABSTRACT:
A dual-band radio monitoring apparatus which provides the reception of transmissions on commercial AM/FM frequency band(s) to be monitored and interrupted by transmission(s) on a controlling VHF/UHF frequency band(s), especially for use by motor vehicle racing fans so that they may have a continual AM/FM reception which is muted for reception of the controlling VHF/UHF transmission of conversation between the race car driver and his pit crew.

REFERENCES:
patent: 3886453 (1975-05-01), Quintiliani et al.
patent: 4524461 (1985-06-01), Kostanty et al.
patent: 4932071 (1990-06-01), Arndt et al.
patent: 5068918 (1991-11-01), Verheijen et al.
patent: 5189413 (1993-02-01), Gaskill et al.
patent: 5537674 (1996-07-01), Kishimoto et al.
patent: 5628056 (1997-05-01), Grysiewicz et al.
patent: 5728027 (1998-03-01), Sinaiko

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