98207491
Oct 3, 2023
Visual alerting signaler and receiver devices, namely, event occurrence detector signaling devices, namely, doorbell ring detectors, telephone ring detectors, intercom detectors, sound detectors, baby cry detectors, and videophone activation detectors, wired or wirelessly coupled to the signaling devices for generating an audible and/or visual and/or tactile indication of an event occurrence detected by the signaling devices
Electrical and Scientific Apparatus