CN2373959Y - 一种楼宇对讲防盗门的用户分机 - Google Patents
一种楼宇对讲防盗门的用户分机 Download PDFInfo
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- CN2373959Y CN2373959Y CN 99207372 CN99207372U CN2373959Y CN 2373959 Y CN2373959 Y CN 2373959Y CN 99207372 CN99207372 CN 99207372 CN 99207372 U CN99207372 U CN 99207372U CN 2373959 Y CN2373959 Y CN 2373959Y
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Abstract
Description
Claims (5)
- 一种楼宇对讲防盗门的用户分机,其特征在于:(1)、它包括固定母机和无线子机;
- (2)、固定母机包括有一个高频接收解调电路和一个高频调制发射电路,高频接收解调电路的音频输出端连接来自防盗门主机的音频输入端,高频调制发射电路的调制输入端连接来自防盗门主机的音频输出端;
- (3)、无线子机包括有与固定母机相配合的一个高频接收解调电路和高频调制发射电路,高频接收解调电路的音频输出端连接送话器,高频调制发射电路的调制输入端连接受话器;
- (4)、无线子机带有一个开锁开关,开锁开关连接在一个音频振荡电路的电源回路上,音频振荡电路的输出端连接到高频调制发射电路的调制输入端;
- (5)、固定母机带有一个选频电路,其输入端连接到高频接收解调电路的音频输出端,其输出端连接到来自防盗门主机的开锁控制端。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 99207372 CN2373959Y (zh) | 1999-04-20 | 1999-04-20 | 一种楼宇对讲防盗门的用户分机 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN 99207372 CN2373959Y (zh) | 1999-04-20 | 1999-04-20 | 一种楼宇对讲防盗门的用户分机 |
Publications (1)
Publication Number | Publication Date |
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CN2373959Y true CN2373959Y (zh) | 2000-04-12 |
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Family Applications (1)
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CN 99207372 Expired - Fee Related CN2373959Y (zh) | 1999-04-20 | 1999-04-20 | 一种楼宇对讲防盗门的用户分机 |
Country Status (1)
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CN (1) | CN2373959Y (zh) |
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1999
- 1999-04-20 CN CN 99207372 patent/CN2373959Y/zh not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C53 | Correction of patent for invention or patent application | ||
COR | Change of bibliographic data |
Free format text: CORRECT: PATENTEE; FROM: XU ZHIQIANG TO: GUANGDONG HUIHE ELECTRONIC TECHNOLOGY CO., LTD. |
|
CP03 | Change of name, title or address |
Address after: 510612, No. 86, first floor, Yan Tang Road Plaza, Guangzhou. Liu Yuekai Patentee after: Huihe Electronic Technology Co., Ltd., Guangdong Address before: Shantou Xinmei Road No. 1 South Building Room 402 Patentee before: Xu Zhiqiang |
|
C53 | Correction of patent for invention or patent application | ||
COR | Change of bibliographic data |
Free format text: CORRECT: PATENTEE; FROM: NO. 86, #/F, SHOU, YANTANG PLAZA, YANTANG ROAD, GUANGZHOU CITY TO: C3, HOUSE 12, GUANGDAYINXING BUILDING, NO. 689, HEBEI PROVINCE ROAD(NORTH), TIAN, GUANGZHOU CITY, 510630 |
|
CP03 | Change of name, title or address |
Address after: 510630, C3, Li Ming, building 12, Everbright Bank building, No. 689 Tianhe North Road, Guangzhou Patentee after: Guangdong Huiyi Electronic Technology Co., Ltd. Address before: Yantang square Yan Tang Guangzhou Road, the first floor of 86 Liu Yuekai Patentee before: Guangdong Huiyi Electronic Technology Co., Ltd. |
|
ASS | Succession or assignment of patent right |
Owner name: GUANGDONG HUIHE BRAINPOWER ELECTRONIC ENGINEERING Free format text: FORMER OWNER: GUANGDONG HUIHE ELECTRONIC TECHNOLOGY CO., LTD. Effective date: 20030919 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20030919 Address after: 663, building 8, Tianhe North Road, Guangdong, Guangzhou, China, 8 Patentee after: Guangdong He Hui Intelligent Electronic Engineering Co., Ltd. Address before: C3, Li Ming, building 12, Everbright Bank building, No. 689 Tianhe North Road, Guangdong, Guangzhou Patentee before: Huihe Electronic Technology Co., Ltd., Guangdong |
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C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |