AT257698B - Circuit arrangement for telephone private branch exchanges in which incoming calls are forwarded by an operator - Google Patents
Circuit arrangement for telephone private branch exchanges in which incoming calls are forwarded by an operatorInfo
- Publication number
- AT257698B AT257698B AT566466A AT566466A AT257698B AT 257698 B AT257698 B AT 257698B AT 566466 A AT566466 A AT 566466A AT 566466 A AT566466 A AT 566466A AT 257698 B AT257698 B AT 257698B
- Authority
- AT
- Austria
- Prior art keywords
- forwarded
- operator
- circuit arrangement
- private branch
- incoming calls
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N11/00—Colour television systems
- H04N11/06—Transmission systems characterised by the manner in which the individual colour picture signal components are combined
- H04N11/12—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only
- H04N11/14—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only in which one signal, modulated in phase and amplitude, conveys colour information and a second signal conveys brightness information, e.g. NTSC-system
- H04N11/16—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only in which one signal, modulated in phase and amplitude, conveys colour information and a second signal conveys brightness information, e.g. NTSC-system the chrominance signal alternating in phase, e.g. PAL-system
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N11/00—Colour television systems
- H04N11/06—Transmission systems characterised by the manner in which the individual colour picture signal components are combined
- H04N11/12—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only
- H04N11/14—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only in which one signal, modulated in phase and amplitude, conveys colour information and a second signal conveys brightness information, e.g. NTSC-system
- H04N11/16—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only in which one signal, modulated in phase and amplitude, conveys colour information and a second signal conveys brightness information, e.g. NTSC-system the chrominance signal alternating in phase, e.g. PAL-system
- H04N11/165—Decoding means therefor
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Processing Of Color Television Signals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1965T0029057 DE1272969B (en) | 1965-07-24 | 1965-07-24 | Circuit for the automatic polarity reversal of an alternating voltage, especially for a PAL color carrier corrector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT257698B true AT257698B (en) | 1967-10-25 |
Family
ID=7554624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT566466A AT257698B (en) | 1965-07-24 | 1966-06-14 | Circuit arrangement for telephone private branch exchanges in which incoming calls are forwarded by an operator |
Country Status (4)
| Country | Link |
|---|---|
| AT (1) | AT257698B (en) |
| AU (1) | AU405458B2 (en) |
| DE (1) | DE1272969B (en) |
| NZ (1) | NZ145810A (en) |
-
0
- NZ NZ145810D patent/NZ145810A/xx unknown
-
1965
- 1965-07-24 DE DE1965T0029057 patent/DE1272969B/en not_active Withdrawn
-
1966
- 1966-06-14 AT AT566466A patent/AT257698B/en active
- 1966-07-15 AU AU8353/66A patent/AU405458B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AU405458B2 (en) | 1970-08-28 |
| NZ145810A (en) | |
| DE1272969B (en) | 1968-07-18 |
| AU835366A (en) | 1968-01-18 |
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