BE677425A - - Google Patents
Info
- Publication number
- BE677425A BE677425A BE677425DA BE677425A BE 677425 A BE677425 A BE 677425A BE 677425D A BE677425D A BE 677425DA BE 677425 A BE677425 A BE 677425A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/74—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for increasing reliability, e.g. using redundant or spare channels or apparatus
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Radio Relay Systems (AREA)
- Knitting Machines (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT548665 | 1965-03-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE677425A true BE677425A (US07122603-20061017-C00045.png) | 1966-08-01 |
Family
ID=11120253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE677425D BE677425A (US07122603-20061017-C00045.png) | 1965-03-12 | 1966-03-07 |
Country Status (9)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2128145A1 (US07122603-20061017-C00045.png) * | 1971-03-04 | 1972-10-20 | Pye Ltd |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3593147A (en) * | 1969-03-04 | 1971-07-13 | Itt | Equal gain diversity receiving system with squelch |
| AT344252B (de) * | 1976-12-02 | 1978-07-10 | Siemens Ag Oesterreich | Schalteinrichtung zur summierung von signalen auf parallelen uebertragungswegen |
| JPS5377110A (en) * | 1976-12-20 | 1978-07-08 | Nec Corp | Transmission fault reduction system |
| US4475049A (en) * | 1981-05-07 | 1984-10-02 | Smith Robert E | Redundant serial communication circuit |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2892930A (en) * | 1955-01-10 | 1959-06-30 | Motorola Inc | Communication system |
| US3048840A (en) * | 1956-03-06 | 1962-08-07 | Itt | Communication system |
| NL225094A (US07122603-20061017-C00045.png) * | 1958-02-19 | |||
| US2947861A (en) * | 1958-09-29 | 1960-08-02 | Collins Radio Co | Diversity combiner control system |
| US3204204A (en) * | 1962-09-26 | 1965-08-31 | Automatic Elect Lab | Fast-switching arrangement for the transfer of communication channels |
| US3296532A (en) * | 1963-04-02 | 1967-01-03 | Raytheon Co | Diversity combiners |
-
1966
- 1966-02-19 CH CH245366A patent/CH440389A/it unknown
- 1966-03-07 BE BE677425D patent/BE677425A/xx unknown
- 1966-03-09 GB GB10294/66A patent/GB1089223A/en not_active Expired
- 1966-03-11 DE DE19661516018 patent/DE1516018B1/de active Pending
- 1966-03-11 SE SE03248/66A patent/SE326995B/xx unknown
- 1966-03-11 AT AT233466A patent/AT278102B/de not_active IP Right Cessation
- 1966-03-11 NO NO162062A patent/NO119996B/no unknown
- 1966-03-11 NL NL6603245A patent/NL6603245A/xx unknown
- 1966-03-14 US US534054A patent/US3487309A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2128145A1 (US07122603-20061017-C00045.png) * | 1971-03-04 | 1972-10-20 | Pye Ltd |
Also Published As
| Publication number | Publication date |
|---|---|
| NO119996B (US07122603-20061017-C00045.png) | 1970-08-10 |
| US3487309A (en) | 1969-12-30 |
| NL6603245A (US07122603-20061017-C00045.png) | 1966-09-13 |
| CH440389A (it) | 1967-07-31 |
| AT278102B (de) | 1970-01-26 |
| DE1516018B1 (de) | 1970-05-27 |
| GB1089223A (en) | 1967-11-01 |
| SE326995B (US07122603-20061017-C00045.png) | 1970-08-10 |
