1. A self-supporting shower head system comprising:
a hollow center section configured to couple with a flexible tube;
at least one shower head coupled to the center section; and
at least one telescoping rod coupled to the center section, where the at least one telescoping rod is configured to extend away from and to retract toward the center section;
wherein the flexible tube is configured to couple with at least one shower outlet pipe and to provide water to the at least one shower head.
2. The shower head system of claim 1, wherein the at least one telescoping rod comprises two telescoping rods each extending from an end of the center section.
3. The shower head system of claim 1, wherein the at least one shower head comprises three shower heads, each coupled to the center section.
4. The shower head system of claim 1, wherein the at least one telescoping rod is configured to support, at least in part, the weight of the shower head system.
5. The shower head system of claim 1, wherein the at least one telescoping rod comprises a mechanism configured to exert a force on the at least one telescoping rod, where the force is directed away from the center section.
6. The shower head system of claim 5, wherein the mechanism includes a threaded rod.
7. The shower head system of claim 5, wherein the mechanism includes a spring.
8. The shower head system of claim 5, wherein the mechanism includes a wire release mechanism coupled to a pawl.
9. The shower head system of claim 8, wherein the pawl is configured to engage teeth fixed to the center section.
10. The shower head system of claim 9, wherein the at least one telescoping rod includes a button coupled to the wire release mechanism, where the button is configured to release the telescoping rod and to enable the telescoping rod to retract toward the center section.
11. The shower head system of claim 1, wherein an end of the at least one telescoping rod is configured to engage with a shower wall.
12. The shower head system of claim 11, wherein the at least one telescoping rod comprises a brake, where the brake is configured to support, at least in part, the weight of the shower head system.
13. The shower head system of claim 12, wherein the brake is configured to engage with a shower wall.
14. The shower head system of claim 13, wherein the brake is rotably fixed to the at least one telescoping rod.
15. The shower head system of claim 14, wherein the brake includes a cam lock configured to fix the position of the brake with respect to the at least one telescoping rod.
16. The shower head system of claim 14, wherein the brake is configured to extend at an angle from the at least one telescoping rod to the shower wall.
17. A method of installing a self-supporting shower head system in a shower stall, the self-supporting shower head system having a hollow center section configured to couple with a flexible tube, at least one shower head coupled to the center section, and at least one telescoping rod coupled to the center section, where the at least one telescoping rod is configured to extend away from and to retract toward the center section, where the flexible tube is configured to couple with at least one shower outlet pipe and to provide water to the at least one shower head, the method comprising:
extending the at least one telescoping rod to a wall of the shower stall; and
coupling the flexible tube to the at least one shower outlet pipe and to the center section.
18. The method of claim 17, further comprising:
using a threaded rod to maintain the extended position of the at least one telescoping rod.
19. The method of claim 17, further comprising:
using a spring to maintain the extended position of the at least one telescoping rod.
20. The method of claim 17, further comprising:
using a wire release mechanism coupled to a pawl to maintain the extended position of the at least one telescoping rod, where the pawl is configured to engage teeth fixed to the center section.
21. The method of claim 21, wherein the at least one telescoping rod includes a button coupled to the wire release mechanism, where the button is configured to release the telescoping rod and to enable the telescoping rod to retract toward the center section.
22. A self-supporting shower head system comprising:
a hollow center section configured to couple with a flexible tube;
at least one shower head coupled to the center section;
at least one telescoping rod coupled to the center section; and
means for extending and retracting the at least one telescoping rod;
wherein the flexible tube is configured to couple with at least one shower outlet pipe and to channel water to the at least one shower head.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. An exposure controller of a digital camera, comprising:
a photometering sensor; and
a control device; wherein
said control device calculates a first exposure time in accordance with a photometering value obtained via said photometering sensor;
said control device calculates a second exposure time shorter than said first exposure time in the case where said first exposure time is longer than a reference time duration;
said control device performs a pre-exposure in which a sensitive surface of an image pick-up device of said digital camera is exposed at said second exposure time to calculate a brightness value in accordance with a picture signal which is output from said image pick-up device at said pre-exposure; and
said control device calculates a third exposure time which is to be used at a main exposure, in which said sensitive surface of said image pick-up device is exposed to obtain a picture signal which is to be stored in a memory, by changing the value of one of said first exposure time and said second exposure time in accordance with said calculated brightness value.
2. The exposure controller of a digital camera according to claim 1, wherein said reference time duration is a predetermined flash synchronization speed.
3. The exposure controller of a digital camera according to claim 1, wherein said exposure time is equal to said first exposure time divided by the Nth power of two (2N).
4. The exposure controller of a digital camera according to claim 2, wherein said control device calculates said third exposure time in accordance with an average brightness value of all the pixels of said image pick-up device which are obtained by said pre-exposure.
5. The exposure controller of a digital camera according to claim 4, wherein said third exposure time is calculated by multiplying said second exposure time by an exposure compensation factor;
wherein said exposure compensation factor is calculated by dividing a predetermined value by said average brightness value, and multiplying the result thereof by the Nth power of two (2N).
6. The exposure controller of a digital camera according to claim 1, wherein said reference time duration is a longest exposure time which can just prevent an image formed on said sensitive surface of said image pick-up device from becoming blurry, caused by hand movement.
7. The exposure controller of a digital camera according to claim 1, wherein said digital camera is an SLR digital camera.