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Patent Searching and Data


Title:
DEVICE FOR PREVENTING VIDEO MISRECORDING
Document Type and Number:
Japanese Patent JPS5928767
Kind Code:
A
Abstract:

PURPOSE: To prevent video misrecording and to avoid the increase in power consumption of a power supply, by providing a switch sensing the accessing or contact of the operator and allowing a camera to operate the video recording when said switch and an operating switch of a camera for video recording are returned on.

CONSTITUTION: A touch switch SW1 operated when an eye finder of a video camera 1 is observed is provided on an eye cap 2 fitted to the finder. The switch SW1 is connected to an internal power supply Vcc via a resistor R0 and the other end is grounded, and a time constant circuit consisting of a resistor R1 and a capacitor C is formed to the switch SW1. When the switch SW1 is applied for a prescribed period, a touch signal VT with a decreased voltage is obtained and an operating signal VREC is inputted to an AND circuit 6. A video recording signal VOUT is outputted from a circuit 6 only while both signals VT and VREC are inputted for attaining the video recording of the camera 1.


Inventors:
NAKADAI KATSUO
Application Number:
JP13785482A
Publication Date:
February 15, 1984
Filing Date:
August 10, 1982
Export Citation:
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Assignee:
FUJI PHOTO FILM CO LTD
International Classes:
G03B9/08; G11B15/02; H04N5/225; (IPC1-7): G11B15/04
Domestic Patent References:
JPS5342517A1978-04-18
JPS56115082A1981-09-10
JPS5668294U1981-06-06
JPS565397U1981-01-17
Attorney, Agent or Firm:
Toshiro Mitsuishi (1 person outside)