Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
NOISE DRIVING-OUT DEVICE
Document Type and Number:
Japanese Patent JPS6046180
Kind Code:
A
Abstract:

PURPOSE: To move a generated noiseband to the upper end or the lower end of a picture plane to drive out the noise band from the center by stopping completely a capstan motor with a detected CTL pulse by using it as a trigger a prescribed time after to set the still mode state.

CONSTITUTION: After a capstan motor 8 is stopped temporatily, the capstan motor 8 is driven interruptedly by a driving pulse 400 which is so adjusted that a prescribed extent of movement of a tape is obtained with one driving pulse, and a positive pulse of a CTL pulse 500 is detected during this interrupted driving, and the tape is stopped completely to set the still mode state a prescribed time after the detection of the CTL pulse 500 in a CTL pulse detector 5. Thus, the moise band generatd in the still mode is moved to the upper end or the lower end of the picture to drive out it from the center of picture, and a picture plane easy to see are always obtained.


Inventors:
SUGIMACHI KAZUNORI
Application Number:
JP15243983A
Publication Date:
March 12, 1985
Filing Date:
August 23, 1983
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
TOSHIBA KK
International Classes:
H04N5/783; G11B5/027; G11B15/18; (IPC1-7): G11B5/027; H04N5/93
Attorney, Agent or Firm:
Noriyuki Noriyuki



 
Previous Patent: Image forming device

Next Patent: CHARACTER BROADCAST RECEIVER