JPS60169967U - intercom circuit - Google Patents
intercom circuitInfo
- Publication number
- JPS60169967U JPS60169967U JP5606484U JP5606484U JPS60169967U JP S60169967 U JPS60169967 U JP S60169967U JP 5606484 U JP5606484 U JP 5606484U JP 5606484 U JP5606484 U JP 5606484U JP S60169967 U JPS60169967 U JP S60169967U
- Authority
- JP
- Japan
- Prior art keywords
- intercom
- outdoor
- intercom circuit
- circuit
- handset
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の手動切換式のインタホンのブロックダイ
アグラム、第２図はこの考案の一実施例を示すブロック
ダイアグラムである。
なお、図中同一符号は同一または相当部分を示す。２，
３・・・屋外子機、１２・・・通話切換スイッチ、１４
・・・ＲＳフリップフロップ。FIG. 1 is a block diagram of a conventional manual switching type intercom, and FIG. 2 is a block diagram showing an embodiment of this invention. Note that the same reference numerals in the figures indicate the same or corresponding parts. 2,
3...Outdoor handset, 12...Call selection switch, 14
...RS flip-flop.
Claims (1)
屋外子機への通話の切換回路に現時点でいずれの屋外子
機から呼出しがあったかを記憶するフリップフロップの
状態にしたがい切換回路を動作するようにしたことを特
徴とするインターホン回路。In an intercom having two outdoor handsets, the switching circuit for calls to each outdoor handset is operated according to the state of a flip-flop that stores which outdoor handset is currently calling. An intercom circuit featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5606484U JPS60169967U (en) | 1984-04-17 | 1984-04-17 | intercom circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5606484U JPS60169967U (en) | 1984-04-17 | 1984-04-17 | intercom circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60169967U true JPS60169967U (en) | 1985-11-11 |
Family
ID=30579318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5606484U Pending JPS60169967U (en) | 1984-04-17 | 1984-04-17 | intercom circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60169967U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03198458A (en) * | 1989-12-26 | 1991-08-29 | Sharp Corp | Doorphone selector |
-
1984
- 1984-04-17 JP JP5606484U patent/JPS60169967U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03198458A (en) * | 1989-12-26 | 1991-08-29 | Sharp Corp | Doorphone selector |
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