WO2007023201A3 - Improved door intercom - Google Patents
Improved door intercom Download PDFInfo
- Publication number
- WO2007023201A3 WO2007023201A3 PCT/ES2006/000461 ES2006000461W WO2007023201A3 WO 2007023201 A3 WO2007023201 A3 WO 2007023201A3 ES 2006000461 W ES2006000461 W ES 2006000461W WO 2007023201 A3 WO2007023201 A3 WO 2007023201A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- improved door
- door intercom
- switch
- directly associated
- disconnecting
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0291—Door telephones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/02—Telephonic communication systems specially adapted for combination with other electrical systems with bell or annunciator systems
- H04M11/025—Door telephones
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention relates to an improved door intercom comprising a casing containing voice transmission and reception means which are used for bi-directional communication and which are directly associated with a switch. According to the invention, the switch is directly associated with the internal connection of means used to generate the input of an audible warning signal. The invention also comprises a device for disconnecting the aforementioned signal-generating means.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ESU200501930 | 2005-08-25 | ||
ES200501930U ES1061117Y (en) | 2005-08-25 | 2005-08-25 | PERFECTED DOOR INTERFON. |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2007023201A2 WO2007023201A2 (en) | 2007-03-01 |
WO2007023201A3 true WO2007023201A3 (en) | 2007-05-18 |
Family
ID=35614501
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/ES2006/000461 WO2007023201A2 (en) | 2005-08-25 | 2006-08-04 | Improved door intercom |
Country Status (2)
Country | Link |
---|---|
ES (1) | ES1061117Y (en) |
WO (1) | WO2007023201A2 (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2648942A1 (en) * | 1976-10-28 | 1978-05-11 | Loh Kg Ritto Werk | Door opening intercom system telephone instrument - has switch which connects or disconnects calling element to or from bell line and has speech keys in case |
-
2005
- 2005-08-25 ES ES200501930U patent/ES1061117Y/en not_active Expired - Fee Related
-
2006
- 2006-08-04 WO PCT/ES2006/000461 patent/WO2007023201A2/en active Application Filing
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2648942A1 (en) * | 1976-10-28 | 1978-05-11 | Loh Kg Ritto Werk | Door opening intercom system telephone instrument - has switch which connects or disconnects calling element to or from bell line and has speech keys in case |
Also Published As
Publication number | Publication date |
---|---|
WO2007023201A2 (en) | 2007-03-01 |
ES1061117U (en) | 2006-01-01 |
ES1061117Y (en) | 2006-04-16 |
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