Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1984-04-06
1988-01-19
Groody, James J.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358140, H04N 704
Patent
active
047207442
ABSTRACT:
A television system employing the sequential scanning system wherein picture information obtained by sequential scanning at a scanning frequency twice that of the standard system in separated into the first field information consisting of odd-numbered lines and the second field information consisting of even-numbered lines, and the separated field informations are stored in respective memory devices. The first and second field informations stored in the memory devices are transmitted separately by a transmitter. The first and second field informations received by the reception system are stored in separate memory devices. The first and second field informations are read out from the memory devices in the order of the odd-numbered line and then the even-numbered line at a speed twice the writing speed, and the read-out line information is displayed on a display device which scans sequentially the screen at a scanning frequency twice that of the standard system.
REFERENCES:
patent: 4310856 (1982-01-01), Poetsch
patent: 4364090 (1982-12-01), Wendland
patent: 4386367 (1983-05-01), Peterson et al.
patent: 4435728 (1984-03-01), Raven et al.
patent: 4539592 (1985-09-01), Tanaka
Charge-Coupled Device (CCD) Camera/Memory Optimization for Expendable Autonomous Vehicles", by Roberts et al., Optical Engineering, vol. 21, No. 2, 4/82, pp. 354-358.
Oguino Masanori
Washi Kazuro
Groody James J.
Harvey David E.
Hitachi , Ltd.
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