H - Electricity – 04 – N
Patent
H - Electricity
04
N
352/15, 352/18,
H04N 5/782 (2006.01) G11B 27/32 (2006.01) H04N 9/79 (2006.01)
Patent
CA 1208355
ABSTRACT OF THE DISCLOSURE A digital video tape recorder (VTR) for use with an NTSC, PAL or SECAM television signal includes a reference signal generating circuit which generates a reference signal a frequency of 13.5 MHz; a first frequency dividing circuit (1/45045) for use with an NTSC television signal; a second frequency dividing circuit (1/45000) for use with a PAL or SECAM television signal; and a switch which supplies a first or second frequency control signal to a magnetic recording head for recording a pulse, the control signal at the lower edge of a magnetic tape for each of successive, parallel. tracks extending obliquely on the magnetic tape in which a television signal is recorded. A discriminator circuit detects whether the television signal to be recorded is NTSC, PAL or SECAM format and controls the switch to supply the appropriate control signal to the magnetic recording head.
426097
Nakamura Masato
Takemoto Sohei
Gowling Lafleur Henderson Llp
Sony Corporation
LandOfFree
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