DE29824428U1 - Call, intercom and switchgear for home automation - Google Patents
Call, intercom and switchgear for home automationInfo
- Publication number
- DE29824428U1 DE29824428U1 DE29824428U DE29824428U DE29824428U1 DE 29824428 U1 DE29824428 U1 DE 29824428U1 DE 29824428 U DE29824428 U DE 29824428U DE 29824428 U DE29824428 U DE 29824428U DE 29824428 U1 DE29824428 U1 DE 29824428U1
- Authority
- DE
- Germany
- Prior art keywords
- door
- call system
- dtmf
- house
- house call
- 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.)
- Expired - Lifetime
Links
Classifications
-
- 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)
Description
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically
Claims (11)
daß die Stammleitung (3) über Induktivitäten (Gyrator 15) mit Gleichstrom-Niederspannung gespeist ist, die von den zu spei senden Schaltelementen über Gleichrichter (24) und Induktivitä ten (Gyrator 25) abnehmbar ist,
daß Schaltwege von Ruftastern (20) des Tableaus (5) vermittels von Code-Konvertern (20, 21) in dem DTMF-System zugehörige Signale umgesetzt und der Stammleitung (3) zugeführt sind, und daß die Wohnungssprechstellen (7) mit DTMF-Empfängern (40) ausgestattet sind und deren Ausgang auf Vergleicher (44) geführt ist, welche beim Empfang des vorgegebenen Adreßsignales der Wohnungssprechstelle ein Rufsignal weitergeben und minde stens einen Schaltweg des Handapparates der Wohungssprechstelle vorbereiten. 1. House call system with a call panel arranged in the area of the house entrance and a door station having at least one door microphone and a door loudspeaker, with a power supply and a control unit and an arrangement for actuating a door opener, and with a master line for connection to called apartment intercom stations, characterized ,
that the main line ( 3 ) via inductors (gyrator 15 ) is fed with direct current low voltage, which can be removed from the switching elements to be fed via rectifiers ( 24 ) and inductors (gyrator 25 ),
that switching paths of call buttons ( 20 ) of the panel ( 5 ) by means of code converters ( 20 , 21 ) in the DTMF system associated signals are implemented and fed to the trunk line ( 3 ), and that the apartment intercoms ( 7 ) with DTMF receivers ( 40 ) are equipped and the output of which is routed to comparators ( 44 ) which, when the given address signal is received from the apartment intercom, pass on a call signal and prepare at least one switching path of the handset of the apartment intercom.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29824428U DE29824428U1 (en) | 1998-04-18 | 1998-04-18 | Call, intercom and switchgear for home automation |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1998117238 DE19817238A1 (en) | 1998-04-18 | 1998-04-18 | Call, intercom and switchgear for home automation |
DE29824428U DE29824428U1 (en) | 1998-04-18 | 1998-04-18 | Call, intercom and switchgear for home automation |
Publications (1)
Publication Number | Publication Date |
---|---|
DE29824428U1 true DE29824428U1 (en) | 2001-01-04 |
Family
ID=26045579
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE29824428U Expired - Lifetime DE29824428U1 (en) | 1998-04-18 | 1998-04-18 | Call, intercom and switchgear for home automation |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE29824428U1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10209807B4 (en) * | 2001-05-23 | 2014-02-13 | Aiphone Co., Ltd. | Intercom system for a residential or tenement house |
-
1998
- 1998-04-18 DE DE29824428U patent/DE29824428U1/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10209807B4 (en) * | 2001-05-23 | 2014-02-13 | Aiphone Co., Ltd. | Intercom system for a residential or tenement house |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE10160813B4 (en) | House communications system | |
GB2107539A (en) | Satellite broadcast signal receiving system | |
DE3202949A1 (en) | REMOTE CONTROL SYSTEM FOR A TELEVISION RECEIVER FOR SELECTIVE CONTROLLING OF SEVERAL EXTERNAL DEVICES AND FOR CONTROLLING EXTERNAL DEVICES VIA THE POWER SUPPLY LINE | |
US3387212A (en) | Mobile radio paging system wherein the receivers are all made operative for a brief interval following a transmitted tone burst | |
US4075659A (en) | Electronic door announcer | |
DE3035965A1 (en) | DATA TRANSFER SYSTEM | |
DE2015198C3 (en) | Radio telephone system with several mobile and fixed subscriber stations | |
DE2946177A1 (en) | HOUSE PLANT FOR TRANSFERRING INFORMATION | |
DE29824428U1 (en) | Call, intercom and switchgear for home automation | |
EP0822699A2 (en) | Digital telephone apparatus with several telephone sets | |
US3532820A (en) | Selective intercom systems for apartment building door answering and the like | |
DE2416122C2 (en) | ||
DE29914355U1 (en) | Wireless intercom | |
DE3913754C2 (en) | ||
DE19817238A1 (en) | Call, intercom and switchgear for home automation | |
DE1048609B (en) | ||
US3100244A (en) | Inter-communication systems | |
US2245756A (en) | Communicating system | |
DE2741160C2 (en) | Circuit arrangement for a call, intercom and door opener system | |
DE3142019A1 (en) | Device and method for operating a cordless telephone | |
EP0070993B1 (en) | Method of transmitting emergency calls from people in need of assistance | |
DE891856C (en) | Circuit arrangement for telecommunication systems, in particular telephone command systems on company lines with optional calls | |
DE1161593C2 (en) | Circuit arrangement for call converter with transition from two-wire to four-wire low-frequency connection | |
DE2432945C2 (en) | Portable radio telephone | |
DE19643293B4 (en) | Telephone system for cordless telephony |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
R207 | Utility model specification |
Effective date: 20010208 |
|
R150 | Term of protection extended to 6 years |
Effective date: 20010622 |
|
R081 | Change of applicant/patentee |
Owner name: HORST SIEDLE GMBH & CO. KG, DE Free format text: FORMER OWNER: A. GROTHE & SOEHNE GMBH & CO. KG, 53773 HENNEF, DE Effective date: 20011113 |
|
R157 | Lapse of ip right after 6 years |
Effective date: 20041103 |