GB1290852A - - Google Patents
Info
- Publication number
- GB1290852A GB1290852A GB1290852DA GB1290852A GB 1290852 A GB1290852 A GB 1290852A GB 1290852D A GB1290852D A GB 1290852DA GB 1290852 A GB1290852 A GB 1290852A
- Authority
- GB
- United Kingdom
- Prior art keywords
- radar
- dec
- fed
- pulse
- divisions
- 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
- H04N5/76—Television signal recording
- H04N5/78—Television signal recording using magnetic recording
- H04N5/782—Television signal recording using magnetic recording on tape
- H04N5/7824—Television signal recording using magnetic recording on tape with rotating magnetic heads
- H04N5/7826—Television signal recording using magnetic recording on tape with rotating magnetic heads involving helical scanning of the magnetic tape
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/02—Control of operating function, e.g. switching from recording to reproducing
- G11B15/12—Masking of heads; circuits for Selecting or switching of heads between operative and inoperative functions or between different operative functions or for selection between operative heads; Masking of beams, e.g. of light beams
- G11B15/14—Masking or switching periodically, e.g. of rotating heads
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5886268 | 1968-12-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1290852A true GB1290852A (ja) | 1972-09-27 |
Family
ID=10482566
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1290852D Expired GB1290852A (ja) | 1968-12-11 | 1968-12-11 |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1290852A (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2375778A1 (fr) * | 1976-12-23 | 1978-07-21 | Sony Corp | Dispositif d'enregistrement et de reproduction de signaux video |
EP0003444A1 (en) * | 1978-02-01 | 1979-08-08 | Arvin Industries, Inc. | Method and apparatus for video signal recording |
GB2229849A (en) * | 1989-03-30 | 1990-10-03 | Samsung Electronics Co Ltd | Rotary head switching control circuit |
-
1968
- 1968-12-11 GB GB1290852D patent/GB1290852A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2375778A1 (fr) * | 1976-12-23 | 1978-07-21 | Sony Corp | Dispositif d'enregistrement et de reproduction de signaux video |
EP0003444A1 (en) * | 1978-02-01 | 1979-08-08 | Arvin Industries, Inc. | Method and apparatus for video signal recording |
GB2229849A (en) * | 1989-03-30 | 1990-10-03 | Samsung Electronics Co Ltd | Rotary head switching control circuit |
GB2229849B (en) * | 1989-03-30 | 1993-10-06 | Samsung Electronics Co Ltd | Improvements in or related to multiple head switching for video cassette recorders |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |