JPH0344358U - - Google Patents
Info
- Publication number
- JPH0344358U JPH0344358U JP10276789U JP10276789U JPH0344358U JP H0344358 U JPH0344358 U JP H0344358U JP 10276789 U JP10276789 U JP 10276789U JP 10276789 U JP10276789 U JP 10276789U JP H0344358 U JPH0344358 U JP H0344358U
- Authority
- JP
- Japan
- Prior art keywords
- handset
- light
- stand
- pattern
- emitting element
- 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
Landscapes
- Telephone Set Structure (AREA)
Description
第１図は本考案の一実施例を適用する電話機の
縦断面図、第２図は第１図に示す電話機に適用す
る本考案の一実施例を示すブロツク図である。
１……置き台、２……ハンドセツト、３……カ
ールコード、４……発光ダイオード、５……ホト
トランジスタ、６……パターン発生回路、７，８
……抵抗、９……パターン検出回路。
FIG. 1 is a longitudinal sectional view of a telephone to which an embodiment of the present invention is applied, and FIG. 2 is a block diagram showing an embodiment of the present invention to which the telephone shown in FIG. 1 is applied. 1... Stand, 2... Handset, 3... Curl cord, 4... Light emitting diode, 5... Phototransistor, 6... Pattern generation circuit, 7, 8
...Resistor, 9...Pattern detection circuit.
Claims (1)
ンドセツトと前記ハンドセツトの置き台のそれぞ
れに受光素子と発光素子とを設け、前記置き台内
に前記発光素子へ予め設定された少なくとも１つ
のパターン信号を発生して送出するパターン発生
回路を有し、前記ハンドセツトに前記受光素子か
らの前記パターン信号を検出するパターン検出回
路を有して成ることを特徴とする電話機のフツク
検出器。 In a telephone equipped with a handset, a light-receiving element and a light-emitting element are provided in the handset and a stand for the handset, respectively, and at least one preset pattern signal is generated and sent to the light-emitting element in the stand. 1. A hook detector for a telephone set, comprising a pattern generation circuit, and a pattern detection circuit for detecting the pattern signal from the light receiving element in the handset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10276789U JPH0735476Y2 (en) | 1989-09-01 | 1989-09-01 | Phone hook detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10276789U JPH0735476Y2 (en) | 1989-09-01 | 1989-09-01 | Phone hook detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0344358U true JPH0344358U (en) | 1991-04-24 |
| JPH0735476Y2 JPH0735476Y2 (en) | 1995-08-09 |
Family
ID=31651645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10276789U Expired - Lifetime JPH0735476Y2 (en) | 1989-09-01 | 1989-09-01 | Phone hook detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0735476Y2 (en) |
-
1989
- 1989-09-01 JP JP10276789U patent/JPH0735476Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0735476Y2 (en) | 1995-08-09 |