Patent ID: 8073402
Filing Date: 2011-12-06
Classification: G08B

Abstract:
1. A wireless intercommunicative alarm doorbell comprising: an outdoor bell and an indoor bell; the outdoor bell comprises an outdoor bell casing, an outdoor bell power supply, an outdoor bell loudspeaker, an outdoor bell microphone, an outdoor bell talk button, an outdoor bell antenna, an outdoor bell wireless transmitting and receiving integrated circuit, a door ring button and a door ring integrated circuit; the outdoor bell wireless transmitting and receiving integrated circuit electrically connects with the outdoor bell power supply, the outdoor bell loudspeaker, the outdoor bell microphone, the outdoor bell talk button, the outdoor bell antenna, the door ring button and the door ring integrated circuit; the indoor bell comprises an indoor bell casing, an indoor bell power supply, an indoor bell loudspeaker, an indoor bell microphone, an indoor bell talk button, an indoor bell antenna, an indoor bell wireless transmitting and receiving integrated circuit and a door ring integrated circuit; the indoor bell wireless transmitting and receiving integrated circuit electrically connects with the indoor bell power supply, the indoor bell loudspeaker, the indoor bell microphone, the indoor bell talk button, the indoor bell antenna and the door ring integrated circuit; when the outdoor bell talk button or the door ring button of the outdoor bell is pressed, the outdoor bell wireless transmitting and receiving integrated circuit modulates the signals received by the outdoor bell microphone or the door ring signals generated by the door ring integrated circuit of the outdoor bell, and the signals are then transmitted by the outdoor bell antenna, the indoor bell wireless transmitting and receiving integrated circuit receives and decodes the signals transmitted by the outdoor bell antenna via the indoor bell antenna, and the decoded signals are outputted via the indoor bell loudspeaker; when the indoor bell talk button is pressed, the indoor bell wireless transmitting and receiving integrated circuit modulates the signals received by the indoor bell microphone and the signals are then transmitted by the indoor bell antenna, the outdoor bell wireless transmitting and receiving integrated circuit receives and decodes the signals transmitted by the indoor bell antenna via the outdoor bell antenna, and the decoded signals are outputted via the outdoor bell loudspeaker; wherein the indoor bell further comprises an alarm button, the alarm button electrically connects with the indoor bell wireless transmitting and receiving integrated circuit and the door ring integrated circuit of the indoor bell; when the alarm button is pressed, the indoor bell wireless transmitting and receiving integrated circuit modulates the door ring signals generated by the door ring integrated circuit of the indoor bell and then transmits an alarming signal by the indoor bell antenna, the outdoor bell wireless transmitting and receiving integrated circuit receives the alarming signal via the outdoor bell antenna and then drives the outdoor bell loudspeaker to ring a preset alarm.