Title:
SIGNAL RECORDER AND REPRODUCER
Document Type and Number:
Japanese Patent JPS5482204
Kind Code:
A
Abstract:
PURPOSE:To correctly reproduce images by controlling an RF converter by the output of a time limiting circuit to block the carrier giving output to a signal detector thereby automatically changing over channels. CONSTITUTION:When any broadcasting radio signal exists in the (m) channel, a VIF/DET part 5 produces a signal. The signal detected by a signal detection circuit 17 sets an FF circuit 19 by way of an AND circuit 18 and makes the contacts of a switch 12 12b-12c and therefore a crystal vibrator 11b is connected and an RF converter 11 transmits the signal at the carrier corresponding to the (n) channel. Next, even if the operation mode is commanded by a lever part 13 and mechanical control part 14 after lapse of several seconds, a time limiting circuit 20 has completed operation and therefore the state of the circuit 19 is held until the operation of a power source circuit 21 is stopped. Because of this, the channel of the converter 11 automatically changes over from (m) to (n) and the reproduction RF signal corresponding to the (n) channel is transmitted to a monitor TV receiver 15. Thereby, the reproduction of the picture images is correctly accomplished.
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Inventors:
MIHASHI YASUO
Application Number:
JP15024877A
Publication Date:
June 30, 1979
Filing Date:
December 13, 1977
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
H04N5/91; G11B31/00; H04N5/38; H04N5/40; H04N5/44; H04N5/92; (IPC1-7): G11B31/00; H04N5/785