JPS5899056A - インタ−ホン装置 - Google Patents
インタ−ホン装置Info
- Publication number
- JPS5899056A JPS5899056A JP19810781A JP19810781A JPS5899056A JP S5899056 A JPS5899056 A JP S5899056A JP 19810781 A JP19810781 A JP 19810781A JP 19810781 A JP19810781 A JP 19810781A JP S5899056 A JPS5899056 A JP S5899056A
- Authority
- JP
- Japan
- Prior art keywords
- short
- input
- speaker
- capacitor
- varistor
- 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.)
- Granted
Links
- 239000003990 capacitor Substances 0.000 abstract description 9
- 230000005236 sound signal Effects 0.000 abstract description 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 238000009429 electrical wiring Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19810781A JPS5899056A (ja) | 1981-12-08 | 1981-12-08 | インタ−ホン装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19810781A JPS5899056A (ja) | 1981-12-08 | 1981-12-08 | インタ−ホン装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5899056A true JPS5899056A (ja) | 1983-06-13 |
JPS6226216B2 JPS6226216B2 (enrdf_load_stackoverflow) | 1987-06-08 |
Family
ID=16385594
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19810781A Granted JPS5899056A (ja) | 1981-12-08 | 1981-12-08 | インタ−ホン装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5899056A (enrdf_load_stackoverflow) |
-
1981
- 1981-12-08 JP JP19810781A patent/JPS5899056A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6226216B2 (enrdf_load_stackoverflow) | 1987-06-08 |
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