FI901811A0 - Videokopplingsarrangemang. - Google Patents
Videokopplingsarrangemang.Info
- Publication number
- FI901811A0 FI901811A0 FI901811A FI901811A FI901811A0 FI 901811 A0 FI901811 A0 FI 901811A0 FI 901811 A FI901811 A FI 901811A FI 901811 A FI901811 A FI 901811A FI 901811 A0 FI901811 A0 FI 901811A0
- Authority
- FI
- Finland
- Prior art keywords
- videokopplingsarrangemang
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
- H03K19/20—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits characterised by logic function, e.g. AND, OR, NOR, NOT circuits
-
- 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
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/04—Modifications for accelerating switching
- H03K17/041—Modifications for accelerating switching without feedback from the output circuit to the control circuit
- H03K17/04113—Modifications for accelerating switching without feedback from the output circuit to the control circuit in bipolar transistor switches
-
- 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
- H03K17/6257—Switching arrangements with several input- output-terminals, e.g. multiplexers, distributors with several inputs only combined with selecting means
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Electronic Switches (AREA)
- Picture Signal Circuits (AREA)
- Processing Of Color Television Signals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US33868789A | 1989-04-17 | 1989-04-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
FI901811A0 true FI901811A0 (fi) | 1990-04-10 |
Family
ID=23325736
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI901811A FI901811A0 (fi) | 1989-04-17 | 1990-04-10 | Videokopplingsarrangemang. |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0393947A3 (ko) |
JP (1) | JPH02295219A (ko) |
KR (1) | KR900017301A (ko) |
CN (1) | CN1046649A (ko) |
AU (1) | AU5319990A (ko) |
CA (1) | CA2010680A1 (ko) |
FI (1) | FI901811A0 (ko) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2925767B2 (ja) * | 1991-02-26 | 1999-07-28 | ローム株式会社 | 信号ライン切り換え回路 |
WO1992019070A1 (en) * | 1991-04-19 | 1992-10-29 | Graham Peters | A switching apparatus for video signals |
AU665691B2 (en) * | 1992-06-22 | 1996-01-11 | Alcatel N.V. | Switched video service |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3371160A (en) * | 1964-01-31 | 1968-02-27 | Rca Corp | Television circuit for non-additively combining a pair of video signals |
NL149323B (nl) * | 1967-01-12 | 1976-04-15 | Philips Nv | Elektronenstraalbuis voor het weergeven van kleurenbeelden. |
US3898377A (en) * | 1973-11-23 | 1975-08-05 | Xerox Corp | Video mixer |
-
1990
- 1990-02-22 CA CA002010680A patent/CA2010680A1/en not_active Abandoned
- 1990-04-10 FI FI901811A patent/FI901811A0/fi not_active Application Discontinuation
- 1990-04-12 CN CN90102076A patent/CN1046649A/zh active Pending
- 1990-04-12 AU AU53199/90A patent/AU5319990A/en not_active Abandoned
- 1990-04-12 EP EP19900304012 patent/EP0393947A3/en not_active Withdrawn
- 1990-04-13 KR KR1019900005109A patent/KR900017301A/ko not_active Application Discontinuation
- 1990-04-17 JP JP2101533A patent/JPH02295219A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
AU5319990A (en) | 1990-10-18 |
KR900017301A (ko) | 1990-11-16 |
JPH02295219A (ja) | 1990-12-06 |
EP0393947A3 (en) | 1991-01-09 |
CN1046649A (zh) | 1990-10-31 |
CA2010680A1 (en) | 1990-10-17 |
EP0393947A2 (en) | 1990-10-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FA | Application withdrawn |
Owner name: THOMSON CONSUMER ELECTRONICS, INC. |