JPH01122653U - - Google Patents
Info
- Publication number
- JPH01122653U JPH01122653U JP1965988U JP1965988U JPH01122653U JP H01122653 U JPH01122653 U JP H01122653U JP 1965988 U JP1965988 U JP 1965988U JP 1965988 U JP1965988 U JP 1965988U JP H01122653 U JPH01122653 U JP H01122653U
- Authority
- JP
- Japan
- Prior art keywords
- transmitting
- receiving
- intercom device
- line
- howling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000002265 prevention Effects 0.000 claims 1
- 239000011159 matrix material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Description
第１図は本考案の送受話分離形インターカム装
置の一実施例のブロツク図、第２図は第１図の実
施例の相互通話者間の系統接続を示すブロツク図
、第３図は従来のリレーマトリツクス装置を利用
したインターカム装置の系統接続を示すブロツク
図、第４図は従来の抵抗マトリツクス装置を利用
するインターカム系統接続を示すブロツク図であ
る。
１―１〜１―Ｎ……送受話端末器、２……マト
リツクス装置、３……コントローラ、４―１〜４
―Ｎ……送受話端末器、５……リレーマトリツク
ス装置、６……抵抗マトリツクス装置。
Fig. 1 is a block diagram of an embodiment of a separate transmitting/receiving intercom device of the present invention, Fig. 2 is a block diagram showing a system connection between intercommunicaters in the embodiment of Fig. 1, and Fig. 3 is a conventional intercom device. FIG. 4 is a block diagram showing an intercom system connection using a conventional relay matrix device. FIG. 4 is a block diagram showing an intercom system connection using a conventional resistance matrix device. 1-1 to 1-N... Transmitting/receiving terminal device, 2... Matrix device, 3... Controller, 4-1 to 4
-N...Telephone/receiver terminal, 5...Relay matrix device, 6...Resistance matrix device.
Claims (1)
受話端末器相互間で通話を行なうインターカム装
置において、前記送受話端末器相互間の通話時に
おける送話回線と受話回線を互いに分離して形成
しハウリングを防止するハウリング防止手段を備
えて成ることを特徴とする送受話分離形インター
カム装置。 In an intercom device for communicating between a plurality of transmitting/receiving terminals installed at a broadcasting station, production, etc., a transmitting line and a receiving line for communication between the transmitting/receiving terminals are formed separately from each other. What is claimed is: 1. A separate type intercom device for transmitting and receiving calls, characterized by comprising a howling prevention means for preventing howling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1965988U JPH01122653U (en) | 1988-02-16 | 1988-02-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1965988U JPH01122653U (en) | 1988-02-16 | 1988-02-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01122653U true JPH01122653U (en) | 1989-08-21 |
Family
ID=31235363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1965988U Pending JPH01122653U (en) | 1988-02-16 | 1988-02-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01122653U (en) |
-
1988
- 1988-02-16 JP JP1965988U patent/JPH01122653U/ja active Pending
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