04998673 is referenced by 169 patents and cites 6 patents.

A water spray head for a shower or sink includes means for emitting and receiving signals for automatic operation in response to the presence of a user. The means are positioned such that the stream of water surrounds the emitting and receiving means. The emitting and receiving means includes conduit means disposed within at least a portion of water supply connected to the spray head. In one embodiment, the conduit is in the form of a fiber optic cable. In another, an emitter and detector are mounted in the spray head and the conduit comprises electrical conductors.

Title
Spray head for automatic actuation
Application Number
7/180784
Publication Number
4998673
Application Date
April 12, 1988
Publication Date
March 12, 1991
Inventor
Joseph J Pilolla
Elmhurst
IL, US
Agent
Kinzer Plyer Dorn McEachran & Jambor
Assignee
Sloan Valve Company
IL, US
IPC
E03C 1/05
View Original Source