CA868572A - Video switching circuit - Google Patents
Video switching circuitInfo
- Publication number
- CA868572A CA868572A CA868572A CA868572DA CA868572A CA 868572 A CA868572 A CA 868572A CA 868572 A CA868572 A CA 868572A CA 868572D A CA868572D A CA 868572DA CA 868572 A CA868572 A CA 868572A
- Authority
- CA
- Canada
- Prior art keywords
- switching circuit
- video switching
- video
- circuit
- switching
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
- H03K17/62—Switching arrangements with several input- output-terminals, e.g. multiplexers, distributors
- H03K17/6221—Switching arrangements with several input- output-terminals, e.g. multiplexers, distributors combined with selecting means
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA17412 | 1968-04-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA868572A true CA868572A (en) | 1971-04-13 |
Family
ID=4084180
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA868572A Expired CA868572A (en) | 1968-04-11 | 1968-04-11 | Video switching circuit |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA868572A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0006622A2 (en) * | 1978-06-29 | 1980-01-09 | Siemens Aktiengesellschaft | Circuit for selectively through-connecting or blocking broad-band signals |
-
1968
- 1968-04-11 CA CA868572A patent/CA868572A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0006622A2 (en) * | 1978-06-29 | 1980-01-09 | Siemens Aktiengesellschaft | Circuit for selectively through-connecting or blocking broad-band signals |
EP0006622A3 (en) * | 1978-06-29 | 1980-01-23 | Siemens Aktiengesellschaft Berlin Und Munchen | Circuit for selectively through-connecting or blocking broad-band signals |
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