Battery checker

Abstract

Abstract PURPOSE: To simultaneously perform battery checking of a camera and its accessories through single operation by connecting the both battery terminals of the camera and its accessories with a battery checker. CONSTITUTION: When the battery of a camera and the battery terminal of its accessory are connected to the terminals of a battery checker 10 and the switch 4 of the checker 10 is closed, the transistors T 5 , T 6 of check circuits 8a, 9b conduct and the light emitting diodes LED 1 , LED 2 of a display circuit 5a light only when the batteries 1, 2 are above the specified voltage. Hence, the goodness or not of the respective batteries of the camera and its accessory may be simultaneously checked. COPYRIGHT: (C)1980,JPO&Japio

Inventors

• 👤 Yoshio Serikawa
• 👤 Susumu Iguchi
• 👤 Yoshimi Ono

Bibliographic Details