JPS61143362U - - Google Patents
Info
- Publication number
- JPS61143362U JPS61143362U JP2601585U JP2601585U JPS61143362U JP S61143362 U JPS61143362 U JP S61143362U JP 2601585 U JP2601585 U JP 2601585U JP 2601585 U JP2601585 U JP 2601585U JP S61143362 U JPS61143362 U JP S61143362U
- Authority
- JP
- Japan
- Prior art keywords
- microphone
- utility
- dedicated
- model registration
- slave unit
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Description
第１図及び第２図は従来例を示し、第１図はド
アホン子機の斜視図、第２図は回路図である。第
３図乃至第４図は本考案の実施例を示し、第３図
、第４図は回路図、第５図は使用状態を示す斜視
図である。
Ｄ……ドアホン子器、Ｍ１，Ｍ２……マイク、
ｔ１〜ｔ５……端子、Ｓ２……切り換えスイツチ
。
1 and 2 show a conventional example, in which FIG. 1 is a perspective view of a door intercom handset, and FIG. 2 is a circuit diagram. 3 and 4 show an embodiment of the present invention, FIGS. 3 and 4 are circuit diagrams, and FIG. 5 is a perspective view showing the state of use. D...Doorphone slave unit, M1, M2...Microphone,
t1 to t5... terminal, S2... changeover switch.
Claims (1)
、専用マイクと並列に外付けマイク用の接続端子
を設けたことを特徴とするドアホン子器。 (2) 専用マイクと、外付けマイク用の接続端子
間に、専用マイクと外付けマイクの切り換えスイ
ツチを設けた実用新案登録請求の範囲第１項記載
のドアホン子器。 (3) 専用マイクと外付けマイクの切り換えスイ
ツチを端子を介してドアホン子器の外部に設けた
ことを特徴とする実用新案登録請求の範囲第１項
記載のドアホン子器。[Claims for Utility Model Registration] (1) A doorphone slave unit of an intercom device, characterized in that a connection terminal for an external microphone is provided in parallel with a dedicated microphone. (2) The door intercom slave device according to claim 1 of the utility model registration claim, which is provided with a switch for switching between the dedicated microphone and the external microphone between the dedicated microphone and the connection terminal for the external microphone. (3) The door intercom slave unit according to claim 1 of the utility model registration claim, characterized in that a switch for switching between a dedicated microphone and an external microphone is provided on the outside of the door phone slave unit via a terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2601585U JPS61143362U (en) | 1985-02-25 | 1985-02-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2601585U JPS61143362U (en) | 1985-02-25 | 1985-02-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61143362U true JPS61143362U (en) | 1986-09-04 |
Family
ID=30521628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2601585U Pending JPS61143362U (en) | 1985-02-25 | 1985-02-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61143362U (en) |
-
1985
- 1985-02-25 JP JP2601585U patent/JPS61143362U/ja active Pending
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