JPS5953733B2 - wireless device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a wireless device comprising a wireless microphone and a receiver, and is capable of properly displaying reception.

For example, when a receiver is formed in a diversity type, it is possible to know what the reception level of the selected item is, but the current situation is that it is not known what the reception level of the unselected item is.

Furthermore, even if it could be determined, the reception level and selection display are currently performed separately. The present invention allows both types of display to be performed simultaneously using one set of meters, and an embodiment thereof will be shown and explained below.

In FIG. 1, reference numerals 12 and 13 indicate reception units with the same performance, 14 indicates a diversity judgment circuit that determines which reception unit is good, and 15 indicates a diversity judgment circuit that detects the sound of the two reception units 12 and 13. An audio switch that switches based on the judgment of 14,
16 is an audio amplifier, 17 and 20 are display controllers, 18 and 1
9, 21, and 22 are reception level meters.

In this configuration, FIG. 2 shows the specific configuration of 17 to 19 or 20 to 22 in FIG.
A signal of "D" or "0" from
If is selected, “0” is added to 17 and “1” is added to 18)
33 is an inverter, 41, 42N and 51, 52-5N are gates, 61, 62-6N and 7
1, 72-7N are resistors with different resistance values, 81, 82-8
N is an LED that lights up in red and constitutes a reception level meter corresponding to 18 and 21 in FIG.

Reference numerals 91, 92 to 9N are LEDs that light up in green and constitute reception level meters corresponding to 19 and 22 in FIG.

Next, the operation based on the above configuration will be explained.

First, the diversity determining circuit 14 determines which of the reception sections 12 and 13 is good. Based on this judgment signal, one of the outputs is applied to the audio amplifier 16. Further, the determination signal is input to each display controller 17, 20, and the display section of the reception section 12 or 13 on the side that the diversity determination circuit 14 determines to be good lights up in A color. Further, the display of the receiving section 13 or 12 whose input conditions are poor is lit in B color. Further, depending on the judgment of the diversity judgment circuit 14, the corresponding color A or B is attached to the receivers 12 and 13, and at the same time, the change in the reception state at that time is detected by the reception level meters 18, 19, 2.
1 and 22, it is possible to display in two colors, A color and B color. Now, when the receiver 12 side is in color A, especially when the transmitter moves and the output of the receiver 13 is applied to the audio amplifier 16, the receiver 13 side switches to color A and the other side switches to color B, and the reception level changes. are displayed respectively.

Note that 18, 19 and 21, 22 are one LED, A,
If it can light up in two colors of B, use only 18 and 21.
Depending on the outputs of the receivers 12 and 13, one color may be set to A and the other to B, and their levels may be displayed together.

In this case, the two colors A and B do not have to be different colors and may have different brightnesses. As is clear from the above embodiments, according to the present invention, diversity is displayed together with the reception level, so it is possible to check whether the use of the transmitter (wireless microphone) is appropriate and which line output is used. This is advantageous in practice because it allows you to see at a glance how much is being output from each receiving section.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing an embodiment of a wireless device of the present invention, and FIG. 2 is a block diagram of its main parts. 12, 13... Receiving unit, 14... Diversity judgment circuit, 15... Audio switching device, 16
...Audio amplifier, 17,20...Display controller, 18,19,21,22...Reception level meter.

Claims (1)

[Scope of Claims] 1. A plurality of receiving sections that receive signals from wireless transmitters, a diversity circuit that performs diversity judgment of reception input and selects the receiving section, and a diversity circuit that corresponds to the plurality of receiving sections. means for providing a plurality of indicators that light up according to the reception level, and separately displaying an indicator corresponding to a selected receiving section and an indicator corresponding to an unselected receiving section based on the output of the diversity circuit. A wireless device characterized by being provided with. 2. The wireless device according to claim 1, wherein the display on the display device has different colors or different brightnesses.