JPH01291587A - Slave unit of television interphone device - Google Patents

Abstract

PURPOSE:To reduce a rate to generate howling by providing a call button and a speaker on a first plane extending in a vertical direction, and arranging a television camera and a microphone on a second plane extending in a direction from the upper end of the first plane to an upper rearward part, respectively. CONSTITUTION:A slave unit 2 is provided with a mounting plane 2a along a wall 1 and a first front plane 2b in parallel with the mounting plane 2a. On the first front plane 2b, the speaker 4 which vocalizes a voice signal sent from a master unit via a reception circuit 3. and the call button 5 are arranged. Also, a second front plane 2c is formed extending obliquely upward from the upper edge of the first front plane 2b toward the mounting plane 2a, and on the second front plane 2c, the television camera 6 and the microphone 7 are arranged so as to provide directivity in the vertical direction.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention provides a handset installed at an entrance or a gate with a television camera and a microphone, and allows communication between the handset and an indoor base unit. This invention relates to a slave unit of a television intercom device configured to display images captured by a camera on a monitor receiver of an indoor base unit.

Conventional technology In an intercom device intended only for voice communication between an entrance handset and an indoor main unit, the installation height of the entrance handset is determined by the height of the intercom call button and the height of the microphone relative to the human height. Approximately 120, considering the position
It is said that it is best to attach it to CM~1303.

In addition, in a TV intercom handset equipped with a TV camera, the appropriate position of the TV camera is 145 cs based on the vertical viewing angle of the camera, etc. In this case, the height of the TV intercom is 137 cm and 60 cIR away from the camera. 18
A person's face at 0t711 can be photographed.

Problems to be Solved by the Invention Therefore, when the TV intercom handset was installed so that the TV camera was positioned at the optimum value 145C1!1, there was a problem in that the position of the microphone and call button was higher than the optimum value. .

Means for Solving the Problems The handset of the television intercom device of the present invention is provided with a call button and a transmission on a first surface extending in the vertical direction, and a second surface extending upward and rearward from the upper end of the first surface. A TV camera and a microphone are placed on each side.

Effects According to the above configuration, the television camera and microphone are each placed diagonally upward, so the mounting must be directional above the position, and the actual mounting is upward from the position. It becomes possible to photograph the subject and collect audio.

In other words, the mounting position of the television camera can be lowered, and since the microphone and speaker are not mounted on the same surface, so-called howling, in which the sound from the speaker enters the microphone, is reduced.

Embodiment Hereinafter, an embodiment of a handset of a television intercom device of the present invention will be described with reference to the drawings.

In FIG. 1, reference numeral 1 denotes a vertically extending wall on which the handset 2 is attached.

The handset 2 has a mounting surface 2a along the wall 1 and a first front surface 2b parallel to the mounting surface 2&.

A speaker 4 that emits an audio signal sent from a base unit via a receiving circuit 3 and a call button 5 are arranged on the first front surface 2b.

Further, a second front surface 2C is formed on the upper end edge of the first front surface 2b and extends upwardly toward the surface 2a. 6 and a microphone 7 are arranged to have directivity in a direction perpendicular to the second front surface 2c.

Note that 8 is a transmitting circuit for transmitting the audio signal of the microphone 7 to the base unit side.

In the above configuration, now the angle θ between the first front surface 2b and the second front surface 2C is set to 170, and as shown in FIG. 2, the position of the camera 6 is 130C! If the handset 2 is installed so that
ocIRXt! It increases by 1rsas to Ln17°.

That is, practically 130CM+15CIR=145α
This is almost the same as placing the television camera 6 at the position shown in FIG.

Therefore, the position of the camera 6 can be substantially set at the optimum height without raising the position of the call button of the handset 2.

Effects of the Invention As described above, according to the present invention, the position of the camera 6 can be set at an optimal height position without raising the position of the call button, and the microphone and speaker are not located on the same plane. , the degree to which howling occurs can also be reduced.

[Brief explanation of the drawing]

FIG. 1 is a block diagram of an embodiment of a handset of the television intercom device of the present invention, and FIG. 2 is a side view showing the usage state of the embodiment. 2...Slave unit, 2a... River/mounting is on the surface, 2b...
・・・・First front, 2C・・Second front, 4・Song speaker, 6・・・・Call button, 6・・・・
Camera, 7. ..., 1. microphone.

Claims (1)

[Claims] A call button and a speaker for emitting audio signals from the indoor base unit are provided on a first surface parallel to the mounting surface extending in a vertical direction, and extend upward from an end of the first surface toward the mounting surface. A slave device for a television intercom device, characterized in that a second surface is provided with a television camera and a microphone for transmitting audio and video signals to the indoor base device.