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A method for inducing cats to exercise consists of directing a beam of invisible light produced by a hand-held laser apparatus onto the floor or wall.
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| Number | Title | Issue Date |
| 6941573 | Television distribution system for signal substitution A cable television distribution system in which the head end substitutes different channels for a plurality of separated geographic zones. The head end creates a plurality of channel spectrums and transmits the spectrums on distribution trunks such that a different ... | 09/06/2005 |
| 5510859 | Tuned signal detector for use with a radio frequency receiver Disclosed is a tuned channel detector which includes a cable path between a radio frequency source and a receiver such as a TV, wherein the radio frequency source passes first through an attenuator and second through a signal selection module comprising t... | 04/23/1996 |
| 5490060 | Passive data collection system for market research data A passive data monitor and collection apparatus, and associated method, for obtaining market research data from an automated checkout system of a retail establishment. The apparatus positively monitors all the communications on a communications network be... | 02/06/1996 |
| 5404161 | Tuned signal detector for use with a radio frequency receiver Disclosed is a tuned channel detector which includes a cable path between a radio frequency source and a receiver such as a TV, wherein the radio frequency source passes first through an attenuator and second through a signal selection module comprising t... | 04/04/1995 |
| 5389964 | Broadcast channel substitution method and apparatus Each of a plurality of households includes a channel substitution unit which receives a normal spectrum of television channel signals and at least one substitute channel signal. The substitution unit of each household, upon command from a control arrangem... | 02/14/1995 |
| 4973952 | Shopping cart display system A shopping cart display system includes a cart mounted display that is responsive to trigger signals provided by transmitters associated with a particular location. When the display receives a unique trigger signal, it displays advertising media associate... | 11/27/1990 |
| 4748684 | Fast tuning control for a television system A fast tuning subsystem includes a tuner for selecting a channel, with a voltage controlled oscillator having a control input for determining the channel frequency the tuner selectively receives. A predictor supplies a selected predicted voltage signal fr... | 05/31/1988 |
| 4733301 | Signal matching signal substitution A signal matching signal substitution system includes a tuner for selectively receiving signals in respective television channels with an input gain control for controlling the signal output level of the tuner. The system substitutes television signals in... | 03/22/1988 |
