JPH01105277U - - Google Patents
Info
- Publication number
- JPH01105277U JPH01105277U JP20156187U JP20156187U JPH01105277U JP H01105277 U JPH01105277 U JP H01105277U JP 20156187 U JP20156187 U JP 20156187U JP 20156187 U JP20156187 U JP 20156187U JP H01105277 U JPH01105277 U JP H01105277U
- Authority
- JP
- Japan
- Prior art keywords
- camera
- lens
- handset
- camera lens
- concave lens
- 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 description 1
Landscapes
- Closed-Circuit Television Systems (AREA)
Description
第１図および第２図は、本考案によるテレビ通
話装置の玄関子機に用いられるカメラカバーの斜
視図、第３図は本考案によるテレビ通話装置の玄
関子機に用いられるカメラカバーを設けたテレビ
通話装置のブロツク図、第４図は従来の玄関子機
の前面図、第５図および第６図はカメラレンズの
光軸距離と撮影可能範囲との関係を示すグラフで
ある。
１，１′……カメラカバー、２，２１……凹レ
ンズ、３……カメラ、３１……カメラレンズ、５
……玄関子機、５１……子機通話部。
FIGS. 1 and 2 are perspective views of a camera cover used in the entrance handset of the video communication device according to the present invention, and FIG. 3 is a perspective view of a camera cover used in the entrance handset of the video communication device according to the invention. FIG. 4 is a front view of a conventional doorway handset, and FIGS. 5 and 6 are graphs showing the relationship between the optical axis distance of the camera lens and the photographable range. 1, 1'... Camera cover, 2, 21... Concave lens, 3... Camera, 31... Camera lens, 5
... Entrance handset, 51... Hands-on communication section.
Claims (1)
のカメラレンズと、前記カメラレンズを保護し一
部に凹レンズを設け前記凹レンズより前記カメラ
レンズに直接光を通すカメラカバーと、前記訪問
者が通話を行うための子機通話部とを設けたこと
を特徴とするテレビ通話装置の玄関子機。 a camera; a camera lens for connecting an image of a visitor to the camera; a camera cover that protects the camera lens and includes a concave lens in a part thereof and allows light to pass directly from the concave lens to the camera lens; What is claimed is: 1. An entrance handset for a video calling device, characterized in that it is provided with a handset talking section for making calls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20156187U JPH01105277U (en) | 1987-12-28 | 1987-12-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20156187U JPH01105277U (en) | 1987-12-28 | 1987-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01105277U true JPH01105277U (en) | 1989-07-14 |
Family
ID=31491907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20156187U Pending JPH01105277U (en) | 1987-12-28 | 1987-12-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01105277U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5979693A (en) * | 1982-10-27 | 1984-05-08 | Mitsubishi Electric Corp | Slave machine of television interphone device |
| JPS59117882A (en) * | 1982-12-25 | 1984-07-07 | Kazuo Hashimoto | Door scope |
| JPS61296869A (en) * | 1985-06-25 | 1986-12-27 | Matsushita Electric Works Ltd | Slave device for door phone |
-
1987
- 1987-12-28 JP JP20156187U patent/JPH01105277U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5979693A (en) * | 1982-10-27 | 1984-05-08 | Mitsubishi Electric Corp | Slave machine of television interphone device |
| JPS59117882A (en) * | 1982-12-25 | 1984-07-07 | Kazuo Hashimoto | Door scope |
| JPS61296869A (en) * | 1985-06-25 | 1986-12-27 | Matsushita Electric Works Ltd | Slave device for door phone |