Abstract: A radio wave receiving signaling device includes an antenna (22) having a coil (22a). An electrically capacitive buzzer (21) is activated by alarm output device (AO) to generate sound when the receiving antenna (22) receives a sound generation instructing signal. The buzzer (21) and all or part of the coil (22a) of the receiving antenna (22) are connected to form a booster circuit to raise a voltage to be applied to the buzzer (21) by a resonance function.

Abstract: A theft preventative apparatus is used to detect an attempted theft of an object and produce an audible alarm when an antenna (22) in the apparatus receives a radio wave signal from a transmitter (0). The apparatus can be deactivated using a bar-like releasing tool (K) inserted into the housing. Attempted theft can also be detected using a length of electrically conductive wire (3) securable to the object to be protected. The ends (30) of the wire are mounted to the housing. Disruption of the electrical path, such as by cutting the wire or removing one of the ends (30) from the housing, causes the audible alarm to be produced.

Abstract: The present invention relates to a theft preventive apparatus used as attached to a commodity or the like exhibited in a shop, for outputting an alarm when detached therefrom.Conventionally, an alarm output device for outputting alarm information comprises a speaker for giving an alarm sound. However, it is impossible, where a plurality of theft prevention apparatus are arranged close to one another, to determine instantly which theft prevention apparatus is giving the alarm sound. The theft preventive apparatus of this invention comprises a box (2) attachable to an object of theft prevention (E) and including detecting means (P) for detecting a preliminary stealing act, and alarm output means (Q) for outputting alarm information based on detection information from the detecting means (P), said box (2) housing light emitting means (20) for emitting light based on the detection information from the detecting means (P) outwardly of said box (2).

Abstract: The present invention relates to a theft preventive apparatus to be attached to an object of theft prevention for detecting a preliminary stealing act by e.g. issuing alarm, and relates also to a radio wave receiving signaling device to be used with the apparatus.Conventionally, there has been a problem of the alarm output means being rendered inoperative when a sudden shock is applied to the theft preventive apparatus for example.According to the present invention, a circuit board (6) of alarm output means (AO) disposed inside a box (2) to be attached to the object of theft prevention is retained to one first side wall portion (2a) of a pair of opposed wall portions (2a), (2c) of the box, and the other side second wall portion (2c) retains a first-kind constituting element (FE) of the alarm output means (AO).

Abstract: The present invention relates to a detector for theft prevention used in contact with a commodity or the like exhibited in a shop.Conventionally, an operated portion for contacting a commodity or the like is pivotable only in one direction from a projected position. The commodity or the like cannot be moved in directions requiring the operated portion to pivot in directions other than that direction. A forcible movement would damage the operated portion.In a detector for theft prevention of this invention, a switch (3) provided for a box (2) thereof has a pivotable operated portion (3a) biased to return to a position projecting from a surface (2c, 2d) contacting an object of theft prevention (E). The operated portion (3a) is pivotable in a plurality of directions including at least two opposite directions (e1, e2). The detector for theft prevention is properly operable for movements in varied directions of the object of theft prevention (E).

Abstract: A theft preventive apparatus is attached to a commodity or the like exhibited in a shop, for outputting an alarm when detached therefrom.Conventionally, a battery is used as a power source for driving an alarm output device, and power supply is turned on and off by moving the battery. Even in a non-use state, an operation could be started inadvertently by vibration or the like.

Abstract: A method for melting and treating waste to be treated such as waste water treatment sludge and incinerated ash of garbage involves mixing the waste to be treated with an auxiliary fuel in powder, granular or solid form or in the form of mixture thereof which has its own calorie value. Powder coal, coal, coke, waste plastic material, saw-dust, waste paper, carbonized material and used tires can be used as an auxiliary fuel. In addition to the auxiliary fuel, an additive is admixed for adjusting the composition of the waste to have treated so as to be a specific composition ratio.