Electronic animal identification apparatus; Electromechanical devices for preventing squirrels and other animals from accessing bird seed in feeders; Hand-held electronic units used to identify bird species and bird songs; Video displays that may be worn on the body; Electronic personal emergency response system consisting of a device worn on the body with a button that users push to notify others in the event of an emergency, and a remote unit that dials out on the telephone for help; Mounti...