JPH0244448U - - Google Patents
Info
- Publication number
- JPH0244448U JPH0244448U JP12406088U JP12406088U JPH0244448U JP H0244448 U JPH0244448 U JP H0244448U JP 12406088 U JP12406088 U JP 12406088U JP 12406088 U JP12406088 U JP 12406088U JP H0244448 U JPH0244448 U JP H0244448U
- Authority
- JP
- Japan
- Prior art keywords
- series
- light
- bell
- handset
- optical sensor
- 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
- 230000003287 optical effect Effects 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Telephone Set Structure (AREA)
Description
第１図は本考案の一実施例の構成を示す回路図
、第２図は本考案の一実施例の外観図。
１……直流阻止用コンデンサ、３……光センサ
、４……ライト、５……ベル、６……光センサ感
度調整用抵抗。
FIG. 1 is a circuit diagram showing the configuration of one embodiment of the present invention, and FIG. 2 is an external view of one embodiment of the present invention. 1... DC blocking capacitor, 3... Optical sensor, 4... Light, 5... Bell, 6... Resistor for adjusting optical sensor sensitivity.
Claims (1)
た直流阻止コンデンサとベルとを線路間に接続し
て成る電話機において、直列接続された光センサ
とライトとに光センサ感度調整用抵抗が並列に接
続された回路が前記直流阻止コンデンサとベルと
に更に直列に接続され、前記ライトが前記送受器
に前記光センサが電話機本体にそれぞれ定置され
た電話機の上面に備えて成ることを特徴とする電
話機。 In a telephone set in which a dial mechanism, a handset, a direct current blocking capacitor and a bell connected in series are connected between lines, a resistor for adjusting the sensitivity of the optical sensor is connected in parallel to an optical sensor and a light connected in series. a circuit further connected in series with the DC blocking capacitor and the bell, the light is provided on the handset and the light sensor is provided on the top surface of the phone, respectively located on the phone body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12406088U JPH0244448U (en) | 1988-09-21 | 1988-09-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12406088U JPH0244448U (en) | 1988-09-21 | 1988-09-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0244448U true JPH0244448U (en) | 1990-03-27 |
Family
ID=31373470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12406088U Pending JPH0244448U (en) | 1988-09-21 | 1988-09-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0244448U (en) |
-
1988
- 1988-09-21 JP JP12406088U patent/JPH0244448U/ja active Pending
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