FI61978C - Vaeljaranordning speciellt foer en noedtelefonanordning - Google Patents
Vaeljaranordning speciellt foer en noedtelefonanordning Download PDFInfo
- Publication number
- FI61978C FI61978C FI762139A FI762139A FI61978C FI 61978 C FI61978 C FI 61978C FI 762139 A FI762139 A FI 762139A FI 762139 A FI762139 A FI 762139A FI 61978 C FI61978 C FI 61978C
- Authority
- FI
- Finland
- Prior art keywords
- control
- transistor
- selection
- voltage
- selection device
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/26—Devices for calling a subscriber
- H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
- H04M1/272—Devices whereby a plurality of signals may be stored simultaneously with provision for storing only one subscriber number at a time, e.g. by keyboard or dial
- H04M1/2725—Devices whereby a plurality of signals may be stored simultaneously with provision for storing only one subscriber number at a time, e.g. by keyboard or dial using electronic memories
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/04—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
- H04Q5/02—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange with direct connection for all subscribers, i.e. party-line systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Alarm Systems (AREA)
- Devices For Supply Of Signal Current (AREA)
- Interface Circuits In Exchanges (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2534228 | 1975-07-31 | ||
| DE19752534228 DE2534228C3 (de) | 1975-07-31 | Wählvorrichtung, insbesondere für eine Notrufeinrichtung |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI762139A FI762139A (US07223432-20070529-C00017.png) | 1977-02-01 |
| FI61978B FI61978B (fi) | 1982-06-30 |
| FI61978C true FI61978C (fi) | 1982-10-11 |
Family
ID=5952912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI762139A FI61978C (fi) | 1975-07-31 | 1976-07-27 | Vaeljaranordning speciellt foer en noedtelefonanordning |
Country Status (8)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI77344C (fi) * | 1987-10-15 | 1989-02-10 | Sostel Oy | Till ett telefonnaet anslutbar intelligent alarmanordning. |
-
1976
- 1976-06-30 AT AT478276A patent/AT351081B/de not_active IP Right Cessation
- 1976-07-07 SE SE7607778A patent/SE435884B/xx not_active IP Right Cessation
- 1976-07-20 NO NO762533A patent/NO141242C/no unknown
- 1976-07-21 CH CH935676A patent/CH599729A5/xx not_active IP Right Cessation
- 1976-07-27 FI FI762139A patent/FI61978C/fi not_active IP Right Cessation
- 1976-07-28 LU LU75483A patent/LU75483A1/xx unknown
- 1976-07-29 NL NLAANVRAGE7608423,A patent/NL175686C/xx not_active IP Right Cessation
- 1976-07-30 BE BE169406A patent/BE844714A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| NO141242C (no) | 1980-01-30 |
| ATA478276A (de) | 1978-12-15 |
| SE435884B (sv) | 1984-10-22 |
| FI61978B (fi) | 1982-06-30 |
| NO141242B (no) | 1979-10-22 |
| DE2534228A1 (de) | 1977-02-03 |
| NL7608423A (nl) | 1977-02-02 |
| FI762139A (US07223432-20070529-C00017.png) | 1977-02-01 |
| DE2534228B2 (de) | 1977-06-30 |
| NL175686B (nl) | 1984-07-02 |
| NL175686C (nl) | 1984-12-03 |
| AT351081B (de) | 1979-07-10 |
| SE7607778L (sv) | 1977-02-01 |
| CH599729A5 (US07223432-20070529-C00017.png) | 1978-05-31 |
| NO762533L (US07223432-20070529-C00017.png) | 1977-02-01 |
| BE844714A (fr) | 1976-11-16 |
| LU75483A1 (US07223432-20070529-C00017.png) | 1977-03-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed |
Owner name: NEUMANN ELEKTRONIK GMBH |