| 摘要 |
1,213,005. Lamp failure alarm. W. SCHILLING. 22 Nov., 1967 [22 Nov., 1966], No. 49947/67. Heading G4N. In a lamp failure alarm system for a vehicle, the input of an amplifier is connected in series with each lamp (or a group of lamps), the amplifier output feeding a common amplifier controlling a common indicator lamp. The amplifiers may be transistorized. |
