| 摘要 |
FIELD: electricity. ^ SUBSTANCE: device contains a case, light-emitting devices, switches, cylindrical electrochemical power supplies; at least said light-emitting devices are completely or mainly integrated in a space of grooves between round walls of the loose-fitting power supplies and an external circuit of the enclosing jacklight case. ^ EFFECT: maintained small dimensions and high mechanical strength of the jacklight. ^ 11 cl, 4 dwg |
