Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1976-11-16
1978-07-04
Buczinski, S. C.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
340 1R, 340 3R, 343 17, 358112, 358140, G01S 902, G01S 704, G01S 966, H04N 530
Patent
active
040991792
ABSTRACT:
A method and system of electronic image storage and display wherein the display is viewed on a raster scan TV display and the incoming signal comprises a sequence of scan lines whose line rate is lower than that of the horizontal TV line rate and is an integer submultiple, preferably even, thereof. The incoming signal is stored in the memory of a scan converter and the stored image is scanned and displayed on a conventional television raster scan display.
The scan converter mode is alternated between read and write such that the writing is carried out during the time required to scan one horizontal TV line in the field and the reading is carried out during the time required to scan the next horizontal TV line in the field to thereby write and read during alternate horizontal TV lines.
To produce a spatially uniform raster, the horizontal TV lines of succeeding TV fields are offset by one line from the horizontal TV lines of the preceding field.
REFERENCES:
patent: 3146441 (1964-08-01), Miller
patent: 3392385 (1968-07-01), Martin
patent: 3550123 (1970-12-01), Brown et al.
patent: 3792194 (1974-02-01), Wood et al.
patent: 3830971 (1974-08-01), Polder
patent: 3864660 (1975-02-01), Ranalli et al.
patent: 3904817 (1975-09-01), Hoffman et al.
Buczinski S. C.
Princeton Electronic Products, Inc.
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