Illumination – With container – Bag – purse or trunk
Reexamination Certificate
2000-06-28
2001-07-31
Husar, Stephen (Department: 2875)
Illumination
With container
Bag, purse or trunk
C362S276000, C362S802000
Reexamination Certificate
active
06267485
ABSTRACT:
This application relates to a carrying bag.
By “carrying bag” herein, I include those known as haversacks, and knapsacks, and shoulder bags.
There is provided such a bag, having a light arranged, so that when on, it is visible outside the bag. A timing circuit is adapted when activated to time a power interval. A motion responsive switch responds to motion of the bag to provide alternating on-to-off and off-to-on transitions. The timing circuit is responsive to an off-to-on transition occurring outside a power interval to initiate a power interval. (The timing circuit is connected to ignore an off-to-on transition occurring during a power interval). The light forms part of an illumination circuit. The illumination circuit is designed, in combination with the timing circuit so that the illumination circuit receives power during the power interval. The illumination circuit is further designed so that the light will be illuminated at least once during the power interval. As an example of the range of alternatives, the illumination circuit may cause the light to stay on for the duration of the power interval; or, during the power interval, to cause the light to flash or be on for a shorter duration one or more times during the power interval. (Other variants are readily available to those skilled in the art).
The light may be of any type, but a light emitting diode LED, is thought to provide the best combination of light intensity and low power requirements.
The invention so far described has the quality of providing a motion responsive light which signals the presence of the bag (and a carrier) or provides a novelty effect. The automatic termination by the timing circuit of the power interval effects great battery savings. A further savings is achieved by the fact that a power interval cannot be initiated during an existing one. Thus, a power interval cannot be extended under conditions of continuous motion. It is thought, therefore, that the battery life will normally exceed the life of the carry bag.
Preferably there is provided a manually operable normally open switch. The switch is located in a strap of the carry bag, preferably, conveniently located to allow manual activation by the carrier of the bag.
By “manually” herein, I include “digitally” and being subject to pressure by any part of the carrier's body.
The manually operable switch is located to directly connect the battery with the illumination circuit independently of the timing circuit and the timing circuit switch. This manual switch and its connection allows the bag carrier to turn on the light at any time independently of the duration dictated by the power interval. The fact that use of the manually operated switch may shorten the battery life; with normal operation of the switch, the battery life is still expected to exceed the normal bag life. Thus the battery, as well as the circuitry, may be permanently installed in the bag. Although the light may be other than a light emitting diode (“LED”), LED's are usually preferred since the intensity is much higher relative to the power required, than with other light sources.
REFERENCES:
patent: 4535392 (1985-08-01), Montgomery
patent: 5434759 (1995-07-01), Endo et al.
patent: 5523927 (1996-06-01), Gokey
patent: 6158872 (2000-12-01), Rodgers
Husar Stephen
Westell Robert L.
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